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参数资料
| 型号： | S3P8837-AQ |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP42 |
| 封装： | 0.600 INCH, SDIP-42 |
| 文件页数： | 11/19页 |
| 文件大小： | 144K |
| 代理商： | S3P8837-AQ |
S3C8835/C8837/P8837
S3P8837 OTP
17-3
Table 17-1. Descriptions of Pins Used to Read/Write the EPROM
Main Chip
During Programming
Pin Name
Pin No.
I/O
Function
P2.3 (Pin 4)
SDAT
4
I/O
Serial data Pin (Output when reading, Input
when writing) Input and Push-pull Output Port
can be assigned
P2.2 (Pin 3)
SCLK
3
I/O
Serial clock Pin (Input Only Pin)
TEST
V
PP (TEST)
13
I
0 V: Operating mode
5 V: Test mode
12.5 V: OTP mode
RESET
33
I
0 V: Chip initialization, OTP mode
5 V: Operating mode
V
DD/VSS
V
DD/VSS
34/30, 37
I
Logic Power Supply Pin.
Table 17-2. Comparison of S3P8837 and S3C8835/C8837 Features
Characteristic
S3P8837
S3C8835/C8837
Program Memory
24K-byte EPROM
24K-byte mask ROM
Operating Voltage (V
DD)
4.5 V to 5.5 V
OTP Programming Mode
V
DD = 5 V, V
PP (TEST) = 12.5 V
–
Pin Configuration
42-SDIP
EPROM Programmability
User Program 1 time
Programmed at the factory
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