• Allied
  • Arrow
  • Avnet
  • Digi-Key
  • element14
  • Farnell
  • Future Electronics
  • Mouser
  • Newark
  • Onlinecomponents.com
  • Verical
Distributor don't have this part

AT89S52 price and inventory results:

Top of Page ↑

Future Electronics ECIA (NEDA) Member • Authorized Distributor

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52-24PU ATMEL CORPORATION

AT89S Series 24 MHz 8 KB Flash 256 B SRAM 8-Bit Microcontroller - DIP-40

RoHS: Compliant | pbFree: Yes

860

  • 10 $1.0700
Buy Now
AT89S52-24AU ATMEL CORPORATION

AT89S Series 24 MHz 8 KB Flash 256 B SRAM 8-Bit Microcontroller - TQFP-44

RoHS: Compliant | pbFree: Yes

1206

  • 15 $0.8650
Buy Now
AT89S52-24JU ATMEL CORPORATION

AT89S Series 24 MHz 8 KB Flash 256 B SRAM 8-Bit Microcontroller - PLCC-44

RoHS: Compliant | pbFree: Yes

11420

  • 27 $1.0000
Buy Now

 

 

 

 

 

Top of Page ↑

Newark element14 ECIA (NEDA) Member • Authorized Distributor

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52-24JU

D#: 68T5021

Atmel Corporation

MICROCONTROLLER MCU, 8 BIT, 8051, 24MHZ, PLCC-44, Controller Family/Series:AT89S52, CPU Speed:24MHz, Program Memory Size:8KB, RAM Memory Size:256Byte, No. of Pins:44, MCU Case Style:LCC, No. of I/O's:32, Supply Voltage Min:4V , RoHS Compliant: Yes

2952

  • 1 $1.3700
  • 10 $1.2500
  • 25 $1.2500
  • 50 $1.2500
  • 100 $1.1600
  • 250 $1.1600
  • 500 $1.1600
  • 1000 $0.9750
  • Show All
Buy Now
AT89S52-24AU

D#: 68T5020

Atmel Corporation

MICROCONTROLLER MCU, 8 BIT, 8051, 24MHZ, TQFP-44, Controller Family/Series:AT89S52, CPU Speed:24MHz, Program Memory Size:8KB, RAM Memory Size:256Byte, No. of Pins:44, MCU Case Style:TQFP, No. of I/O's:32, Supply Voltage Min:4V , RoHS Compliant: Yes

1349

  • 1 $1.1900
  • 10 $1.0900
  • 25 $1.0900
  • 50 $1.0900
  • 100 $1.0000
  • 250 $1.0000
  • 500 $1.0000
  • 1000 $0.8450
  • Show All
Buy Now
AT89S52-24PU

D#: 68T5022

Atmel Corporation

MICROCONTROLLER MCU, 8 BIT, 8051, 24MHZ, DIP-40, Controller Family/Series:AT89S52, CPU Speed:24MHz, Program Memory Size:8KB, RAM Memory Size:256Byte, No. of Pins:40, MCU Case Style:DIP, No. of I/O's:32, Supply Voltage Min:4V, MSL:- , RoHS Compliant: Yes

1746

  • 1 $2.2400
  • 10 $2.0100
  • 25 $1.8000
  • 50 $1.6700
  • 100 $1.6200
  • 250 $1.4400
  • 500 $1.2600
  • 1000 $1.0400
  • Show All
Buy Now

 

 

 

 

 

Top of Page ↑

Avnet ECIA (NEDA) Member • Authorized Distributor

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52-24JU

D#: AT89S52-24JU

Atmel Corporation

MCU 8-bit AT89 8051 CISC 8KB Flash 5V 44-Pin PLCC - RAL

Europe - 1755

  • 1 €1.0785
  • 1 €1.0014
Buy Now
AT89S52-24PU

D#: AT89S52-24PU

Atmel Corporation

MCU 8-bit AT89 8051 CISC 8KB Flash 5V 40-Pin PDIP

Asia - 0

  • 1250 $2.0000
  • 1270 $1.8033
  • 2520 $1.6418
  • 6250 $1.5069
  • 12500 $1.4474
  • Show All
Buy Now
AT89S52-24AU

D#: AT89S52-24AU

Atmel Corporation

MCU 8-bit AT89 80C51 CISC 8KB Flash 5V 44-Pin TQFP - TRY

Europe - 0

  • 1 €0.9338
  • 1 €0.8671
Buy Now
AT89S52-24AU

D#: AT89S52-24AU

Atmel Corporation

MCU 8-bit AT89 80C51 CISC 8KB Flash 5V 44-Pin TQFP - Trays

Americas - 0

  • 1 $1.8988
  • 10 $1.2455
  • 50 $1.1123
  • 100 $1.0522
  • 160 $1.0265
  • Show All
Buy Now
AT89S52-24JU

D#: AT89S52-24JU

Atmel Corporation

MCU 8-bit AT89 8051 CISC 8KB Flash 5V 44-Pin PLCC - Rail/Tube

Americas - 2886

  • 1 $2.1255
  • 10 $1.4143
  • 50 $1.2671
  • 100 $1.2059
  • 500 $1.1179
  • Show All
Buy Now
AT89S52-24PU

D#: AT89S52-24PU

Atmel Corporation

MCU 8-bit AT89 8051 CISC 8KB Flash 5V 40-Pin PDIP - Rail/Tube

Americas - 771

  • 1 $2.2323
  • 10 $1.4964
  • 50 $1.3429
  • 100 $1.2818
  • 500 $1.1859
  • Show All
Buy Now
AT89S52-24PU

D#: AT89S52-24PU

Atmel Corporation

MCU 8-bit AT89 8051 CISC 8KB Flash 5V 40-Pin PDIP - RAL

Europe - 4730

  • 1 €1.1508
  • 1 €1.0686
Buy Now

 

 

 

 

 

Top of Page ↑

element14 Asia-Pacific Authorized Distributor

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52-24JU

D#: 1095741

Atmel Corporation

MCU, 8BIT, 8051, 24MHZ, PLCC-44

907

  • 1 $2.6160
  • 10 $2.3680
  • 100 $1.9000
  • 250 $1.6800
  • 500 $1.4800
  • 1000 $1.2200
  • Show All
Buy Now
AT89S52-24AU

D#: 1095740

Atmel Corporation

MCU, 8BIT, 8051, 24MHZ, TQFP-44

1379

  • 1 $2.2640
  • 10 $2.0480
  • 100 $1.6400
  • 250 $1.4600
  • 500 $1.2800
  • 1000 $1.0600
  • Show All
Buy Now
AT89S52-24PU

D#: 1095743

Atmel Corporation

MCU, 8BIT, 8051, 24MHZ, DIP-40

1023

  • 1 $2.7920
  • 10 $2.5200
  • 100 $2.0200
  • 250 $1.8000
  • 500 $1.5700
  • 1000 $1.3000
  • Show All
Buy Now

 

 

 

 

 

Top of Page ↑

Chip1Stop Authorized Distributor

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52-24JU

D#: ATME-0015136

Atmel Corporation

MCU 8-Bit 89S 8051 CISC 8KB Flash 5V 44-Pin PLCC

RoHS: Compliant

1216

  • 1 $2.0800
  • 100 $1.5100
  • 500 $1.1700
Buy Now
AT89S52-24PU

D#: ATME-0015529

Atmel Corporation

MCU 8-Bit 89S 8051 CISC 8KB Flash 5V 40-Pin PDIP

RoHS: Compliant

310

  • 1 $2.2200
  • 10 $2.0100
  • 100 $1.6100
Buy Now
AT89S52-24JU SL383

D#: ATME-0033535

Atmel Corporation

Unidentified

RoHS: Compliant

1000

  • 500 $1.1100
Buy Now
AT89S52-24AU

D#: ATME-0019047

Atmel Corporation

MCU 8-bit AT89 8051 CISC 8KB Flash 5V 44-Pin TQFP

RoHS: Compliant

2370

  • 5 $1.8000
  • 500 $0.9320
  • 2000 $0.8240
Buy Now
AT89S52-24JU

D#: ATME-0019042

Atmel Corporation

MCU 8-Bit 89S 8051 CISC 8KB Flash 5V 44-Pin PLCC

RoHS: Compliant

8439

  • 5 $2.0800
  • 100 $1.2600
  • 1000 $1.0300
Buy Now

 

 

 

 

 

Top of Page ↑

Farnell element14 ECIA (NEDA) Member • Authorized Distributor

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52-24JU

D#: 1095741

Atmel Corporation

MCU, 8BIT, 8051, 24MHZ, PLCC-44

RoHS: Compliant

670

  • 1 £1.2500
  • 5 £1.2000
  • 10 £1.1500
  • 25 £0.9800
  • 100 £0.8830
  • Show All
Buy Now
AT89S52-24AU

D#: 1095740

Atmel Corporation

MCU, 8BIT, 8051, 24MHZ, TQFP-44

RoHS: Compliant

789

  • 1 £1.1500
  • 5 £1.0900
  • 10 £0.9920
  • 25 £0.7430
  • 100 £0.6970
  • Show All
Buy Now
AT89S52-24PU

D#: 1095743

Atmel Corporation

MCU, 8BIT, 8051, 24MHZ, DIP-40

RoHS: Compliant

996

  • 1 £1.4500
  • 5 £1.3700
  • 10 £1.2800
  • 25 £1.1100
  • 100 £0.9540
  • Show All
Buy Now

 

 

 

 

 

Top of Page ↑

Chip One Exchange  

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52  

15460

  RFQ
AT89S5224PU Atmel Corporation  

80

  RFQ
AT89S52  24JU

null

2000

  RFQ
AT89S52 24JU

null

1000

  RFQ
AT89S52 24PU

null

41

  RFQ
AT89S52-24AU

null

1960

  RFQ
AT89S52-24AU Atmel Corporation  

22090

  RFQ
AT89S52-24JI Atmel Corporation

null

23

  RFQ
AT89S52-24JU Microchip Technology Inc

null

4438

  RFQ
AT89S52-24JU Atmel Corporation

null

15000

  RFQ
AT89S52-24JU Atmel Corporation

null

4762

  RFQ
AT89S52-24JU

null

4191

  RFQ
AT89S52-24PU Atmel Corporation

null

486

  RFQ
AT89S52-24PU

null

4638

  RFQ
AT89S52-24PU Atmel Corporation

null

18895

  RFQ

See All Results

 

 

 

 

 

Top of Page ↑

Part Hunters  

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52-24PC Atmel Corporation

9165

80

  RFQ
AT89S52-24JU

1145

20

  RFQ
AT89S52-24JU Atmel Corporation

213

1815

  RFQ
AT89S52-24JU Atmel Corporation

9165

162

  RFQ
AT89S52-24JU Atmel Corporation

9164

2626

  RFQ
AT89S52-24JC Atmel Corporation

9165

128

  RFQ
AT89S52-24PU Atmel Corporation

9164

4882

  RFQ
AT89S52-24PU Atmel Corporation

9165

36

  RFQ
AT89S52-24PU Atmel Corporation

213

4882

  RFQ
AT89S52-24AU Atmel Corporation

213

74

  RFQ
AT89S52-24AU Atmel Corporation

9164

74

  RFQ
AT89S52-24AU Atmel Corporation

9165

143

  RFQ
AT89S52-24JI Atmel Corporation

9165

37

  RFQ
AT89S52-24AC Atmel Corporation

9165

16

  RFQ
AT89S52-24AI Atmel Corporation

9165

13

  RFQ

See All Results

 

 

 

 

 

Top of Page ↑

LIBRA Elektronik AG  

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52-24AU Atmel Corporation

in stock - can ship the same day - Send your RFQ to stock@libra-elektronik.com

60

  RFQ

 

 

 

 

 

Top of Page ↑

Luxe Electronics  

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52-24PC Atmel Corporation

Confirmed Available/OEM|CM Only

1100

  RFQ
AT89S52-24JU NA

Confirmed Available/OEM|CM Only

1081

  RFQ
AT89S52-24JU Atmel Corporation

Confirmed Available/OEM|CM Only

4209

  RFQ
AT89S52-24JC Atmel Corporation

Confirmed Available/OEM|CM Only

1100

  RFQ
AT89S52-24PU NA

Confirmed Available/OEM|CM Only

34

  RFQ
AT89S52-24PI Atmel Corporation

Confirmed Available/OEM|CM Only

1100

  RFQ
AT89S52-24JI Atmel Corporation

Confirmed Available/OEM|CM Only

1100

  RFQ
AT89S52-24AC Atmel Corporation

Confirmed Available/OEM|CM Only

1100

  RFQ
AT89S52-24AI Atmel Corporation

Confirmed Available/OEM|CM Only

1100

  RFQ

 

 

 

 

 

Top of Page ↑

TME Electronic Components  

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52-24AU

D#: AT89S52-24AU

Atmel Corporation

Microcontroller '51, Flash:8kx8bit, SRAM:256B, Interface: UART

449

  • 1 $1.5400
  • 5 $1.3800
  • 10 $1.2700
  • 25 $1.1600
  • 100 $1.0900
  • Show All
Buy Now
AT89S52-24JU

D#: AT89S52-24JU

Atmel Corporation

Microcontroller '51, Flash:8kx8bit, SRAM:256B, Interface: UART

2105

  • 1 $1.6000
  • 5 $1.5400
  • 25 $1.3800
  • 100 $1.2000
  • 250 $1.0500
  • Show All
Buy Now
AT89S52-24PU

D#: AT89S52-24PU

Atmel Corporation

Microcontroller '51, Flash:8kx8bit, SRAM:256B, Interface: UART

1073

  • 1 $1.6600
  • 3 $1.5500
  • 10 $1.4200
  • 25 $1.2400
  • 100 $1.1100
  • Show All
Buy Now

 

 

 

 

 

Top of Page ↑

Bison Technologies Ltd

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52-24JU

D#: AT89S52-24JU-224749-ATMEL

Atmel Corporation

0652+ Program Memory Size:8KB (8K x 8)<br/>RAM Size:256 x 8<br/>Number of I /O:32<br/>Package / Case:44-LCC (J-Lead)<br/>Speed:24MHz<br/>Oscillator Ty

67

  RFQ
AT89S52-24JC

D#: AT89S52-24JC-293209-ATMEL/TUBE

ATMEL/TUBE

03+ Program Memory Size:8KB (8K x 8)<br/>RAM Size:256 x 8<br/>Number of I /O:32<br/>Package / Case:44-LCC (J-Lead)<br/>Speed:24MHz<br/>Oscillator Type

128

  RFQ
AT89S52-24AU

D#: AT89S52-24AU-297089-ATMEL

Atmel Corporation

12+ Program Memory Size:8KB (8K x 8)<br/>RAM Size:256 x 8<br/>Number of I /O:32<br/>Package / Case:44-TQFP<br/>Speed:24MHz<br/>Oscillator Type:Interna

113

  RFQ

 

 

 

 

 

Top of Page ↑

R&J Components  

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52-24JC

D#: AT89S52-24JC

Atmel Corporation

Inventory R

27

  RFQ
AT89S52-24AU

D#: AT89S52-24AU

Atmel Corporation

Semiconductor

215

  RFQ
AT89S52-24JI

D#: AT89S52-24JI

Atmel Corporation

Semiconductor

533

  RFQ
AT89S52-24AC

D#: AT89S52-24AC

Atmel Corporation

Semiconductor

359

  RFQ
AT89S52-24AI

D#: AT89S52-24AI

Atmel Corporation

Inventory R

38

  RFQ

 

 

 

 

 

Top of Page ↑

Distrelec  

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52-24JU

D#: 17334048

Atmel Corporation

Microcontroller Operating temperature: -40...+85 °C Power supply: 4...5.5 V No. of I/Os: 32 No. of timers: 3 Bus width: 8 Bit Package: PLCC-44 Flash memory: 8 kByte RAM: 256 Byte

248

  • 1 €1.7400
  • 10 €1.5800
  • 25 €1.5400
Buy Now
AT89S52-24PU

D#: 17334055

Atmel Corporation

Microcontroller Operating temperature: -40...+85 °C Power supply: 4...5.5 V No. of I/Os: 32 No. of timers: 3 Bus width: 8 Bit Package: DIL-40 Flash memory: 8 kByte RAM: 256 Byte

92

  • 1 €1.4300
  • 10 €1.3600
  • 25 €1.2800
Buy Now

 

 

 

 

 

Top of Page ↑

ComS.I.T.  

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S5224PU Atmel Corporation

dc13 Pkg: 10/tube/dip40 RoHS: leadfree

RoHS: Compliant

10

  RFQ
AT89S5224PU Atmel Corporation

dc12 Pkg: 10/tube/dip40 RoHS: leadfree

RoHS: Compliant

100

  RFQ
AT89S5224JU Atmel Corporation

dc10 Pkg: 27/tube/plcc RoHS: leadfree

RoHS: Compliant

11

  RFQ
AT89S5224JU Atmel Corporation

dc09 Pkg: 20/tr/plcc RoHS: leadfree

RoHS: Compliant

20

  RFQ
AT89S5224PUONSOCKET Atmel Corporation

dc0749 Pkg: bulk/dip40 RoHS: leadfree

RoHS: Compliant

646

  RFQ
AT89S5224AU Atmel Corporation

dc0635 Pkg: 160/tray/qfp RoHS: leadfree

RoHS: Compliant

64

  RFQ

 

 

 

 

 

Top of Page ↑

Rochester Electronics ECIA (NEDA) Authorized Distributor

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52-24JU Atmel Corporation

N/A

1290

  • 1 $1.2200
  • 25 $1.1300
  • 100 $1.0800
  • 500 $1.0400
  • 1000 $0.9900
  • Show All
Buy Now
AT89S52-24JC Atmel Corporation

N/A

5300

  • 1 $2.4200
  • 25 $2.2400
  • 100 $2.1500
  • 500 $2.0700
  • 1000 $1.9600
  • Show All
Buy Now
AT89S52-33JU Atmel Corporation

N/A

2316

  Buy Now
AT89S52-24PU Atmel Corporation

N/A

5855

  • 1 $1.2900
  • 25 $1.2000
  • 100 $1.1500
  • 500 $1.1100
  • 1000 $1.0500
  • Show All
Buy Now
AT89S52-24PI Atmel Corporation

N/A

2987

  • 1 $4.4800
  • 25 $4.1600
  • 100 $3.9900
  • 500 $3.8300
  • 1000 $3.6400
  • Show All
Buy Now
AT89S52-24AU Atmel Corporation

N/A

377

  • 1 $1.0500
  • 25 $0.9700
  • 100 $0.9300
  • 500 $0.8900
  • 1000 $0.8500
  • Show All
Buy Now

 

 

 

 

 

Top of Page ↑

Freelance Electronics  

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52-24JU Atmel Corporation

MCU 8BIT AT89 CISC 8KB FLASH 5V 44PLCC - Rail/Tube 1117 D/C

1

  • $0.9100
Buy Now
AT89S52-24PI Atmel Corporation

IC MCU 8BIT 8KB FLASH 40DIP 0425 D/C

9

  • $1.9000
Buy Now

 

 

 

 

 

Top of Page ↑

Harry Krantz  

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52-24JU Atmel Corporation

Available

12

  RFQ
AT89S52-24PU(PROG) Atmel Corporation

Available

160

  RFQ
AT89S52-24PI Atmel Corporation

Available

16

  RFQ
AT89S52-24JU(PROG) Atmel Corporation

Available

291

  RFQ
AT89S52-24JI

Available

16

  RFQ

 

 

 

 

 

Top of Page ↑

Sierra IC  

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

MFAT89S5224JU

OEM/CM ONLY

1097

  RFQ
AT89S5224AI Atmel Corporation

OEM/CM ONLY

2248

  RFQ
2AT89S5224JU Atmel Corporation

OEM/CM ONLY

3286

  RFQ
AT89S5220JU Atmel Corporation

OEM/CM ONLY

78

  RFQ
2AT89S5224PU Atmel Corporation

OEM/CM ONLY

2423

  RFQ
AT89S5224PUR N/A

OEM/CM ONLY

41

  RFQ
AT89S5224JI Atmel Corporation

OEM/CM ONLY

1054

  RFQ
AT89S5224JUPROG Atmel Corporation

OEM/CM ONLY

308

  RFQ
AT89S5224AU PBF Atmel Corporation

OEM/CM ONLY

1257

  RFQ
AT89S5224PU Atmel Corporation

OEM/CM ONLY

34960

  RFQ
AT89S52JU/PU Atmel Corporation

OEM/CM ONLY

5017

  RFQ
AT89S5224AC Atmel Corporation

OEM/CM ONLY

3858

  RFQ
AT89S5224AU TQFP44 ATMEL Atmel Corporation

OEM/CM ONLY

1005

  RFQ
AT89S5224PU PBF Atmel Corporation

OEM/CM ONLY

14067

  RFQ
AT89S5224JU PBF Atmel Corporation

OEM/CM ONLY

1737

  RFQ

See All Results

 

 

 

 

 

Top of Page ↑

Hooper Electronics  

PART NUMBER

MANUFACTURER

DESCRIPTION

STOCK

PRICE

BUY

AT89S52

Stock and Consignment - Pre-orders also. 1 year warranty on Stock Parts.

28000

  RFQ
AT89S52-24JU-PROG

Stock and Consignment - Pre-orders also. 1 year warranty on Stock Parts.

30000

  RFQ
AT89S52-24PC

Stock and Consignment - Pre-orders also. 1 year warranty on Stock Parts.

27000

  RFQ
AT89S52-24JU

Stock and Consignment - Pre-orders also. 1 year warranty on Stock Parts.

31000

  RFQ
AT89S5224AI

Stock and Consignment - Pre-orders also. 1 year warranty on Stock Parts.

32000

  RFQ
AT89S52-24SU

Stock and Consignment - Pre-orders also. 1 year warranty on Stock Parts.

24000

  RFQ
AT89S5224JI

Stock and Consignment - Pre-orders also. 1 year warranty on Stock Parts.

23000

  RFQ
AT89S5233AI

Stock and Consignment - Pre-orders also. 1 year warranty on Stock Parts.

23000

  RFQ
AT89S52-24P

Stock and Consignment - Pre-orders also. 1 year warranty on Stock Parts.

29000

  RFQ
AT89S52-24PU IND PBF

Stock and Consignment - Pre-orders also. 1 year warranty on Stock Parts.

31000

  RFQ
AT89S5224PU

Stock and Consignment - Pre-orders also. 1 year warranty on Stock Parts.

32000

  RFQ
AT89S5233PI

Stock and Consignment - Pre-orders also. 1 year warranty on Stock Parts.

24000

  RFQ
AT89S5224AC

Stock and Consignment - Pre-orders also. 1 year warranty on Stock Parts.

30000

  RFQ
AT89S52-24PU

Stock and Consignment - Pre-orders also. 1 year warranty on Stock Parts.

31000

  RFQ
AT89S5224J

Stock and Consignment - Pre-orders also. 1 year warranty on Stock Parts.

32000

  RFQ

See All Results

 

 

 

 

 

AT89S52 associated parts:

AT89S52 associated parts: