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参数资料
| 型号： | S3C8625XX-AQ |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PDIP42 |
| 封装： | 0.600 INCH, SDIP-42 |
| 文件页数： | 16/24页 |
| 文件大小： | 182K |
| 代理商： | S3C8625XX-AQ |
S3C8625/C8627/C8629/P8629
KS88P6232 OTP
21-3
Table 21-1. Descriptions of Pins Used to Read/Write the EPROM
Main Chip
During Programming
Pin Name
Pin No.
I/O
Function
P1.0
SDAT
9 (4)
I/O
Serial data pin. Output port when reading and
input port when writing. Can be assigned as a
Input/push-pull output port.
P1.1
SCLK
10 (5)
I
Serial clock pin. Input only pin.
TEST
V
PP (TEST)
15 (10)
I
Power supply pin for EPROM cell writing
(indicates that OTP enters into the writing
mode). When 12.5 V is applied, OTP is in
writing mode and when 5 V is applied, OTP is in
reading mode. (Option)
RESET
18 (13)
I
Chip Initialization
V
DD
/VSS1
V
DD/VSS1
11/12 (6/7)
I
Logic power supply pin. V
DD should be tied to +5
V during programming.
NOTE: Parentheses indicate 44-QFP OTP pin number.
Table 21-2. Comparison of S3P8629 and S3C8625/C8627/C8629 Features
Characteristic
S3P8629
S3C8625/C8627/C8629
Program Memory
32-Kbyte EPROM
16/24/32-Kbyte mask ROM
Operating Voltage (V
DD)
4.0 V to 5.5 V
4.0 V to 5.5V
OTP Programming Mode
V
DD = 5 V, VPP (TEST)=12.5V
Pin Configuration
42SDIP, 44QFP
EPROM Programmability
User Program 1 time
Programmed at the factory
OPERATING MODE CHARACTERISTICS
When 12.5 V is supplied to the V
PP(TEST) pin of the S3P8629, the EPROM programming mode is entered. The
operating mode (read, write, or read protection) is selected according to the input signals to the pins listed in
Table 16-3 below.
Table 21-3. Operating Mode Selection Criteria
V
DD
V
PP
(TEST)
REG/
MEM
ADDRESS
(A15–A0)
R/W
MODE
5 V
0
0000H
1
EPROM read
12.5 V
0
0000H
0
EPROM program
12.5 V
0
0000H
1
EPROM verify
12.5 V
1
0E3FH
0
EPROM read protection
NOTE: "0" means Low level; "1" means High level.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| S3C8627 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:S3C8625/C8627/C8629/P8629 MICROCONTROLLERS |
| S3C8629 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:S3C8625/C8627/C8629/P8629 MICROCONTROLLERS |
| S3C8639 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:S3C8639/C863A/P863A MICROCONTROLLERS |
| S3C863A | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:8-bit single-chip CMOS microcontroller |
| S3C8647 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:8-bit single-chip CMOS microcontroller |
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