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參數(shù)資料
| 型號： | S3P72B9-QA |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PQFP128 |
| 封裝： | 14 X 20 MM, QFP-128 |
| 文件頁數(shù)： | 28/37頁 |
| 文件大?。?/td> | 289K |
| 代理商： | S3P72B9-QA |
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S3C72B5/C72B7/C72B9/P72B9
S3P72B9 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
P0.2
SDAT
18
I/O
Serial data pin. Output port when reading and
input port when writing. Can be assigned as a
Input / push-pull output port.
P0.3
SCLK
19
I/O
Serial clock pin. Input only pin.
TEST
VPP (TEST)
24
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
27
I
Chip Initialization
V
DD/VSS
V
DD/VSS
20/21
I
Logic power supply pin. V
DD should be tied to +5
V during programming.
Table 17-2. Comparison of S3P72B9 and S3C72B5/C72B7/C72B9 Features
Characteristic
S3P72B9
S3C72B5/C72B7/C72B9
Program Memory
32-Kbyte EPROM
16/24/32-Kbyte mask ROM
Operating Voltage (V
DD)
1.8 V to 5.5 V
OTP Programming Mode
V
DD = 5 V, VPP (TEST) = 12.5V
Pin Configuration
128 QFP
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 S3P72B9, 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 17-3 below.
Table 17-3. Operating Mode Selection Criteria
VDD
VPP
(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.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| S3C72B5XX-QA | 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP128 |
| S3P72G9XX-QX | 4-BIT, OTPROM, 4.19 MHz, MICROCONTROLLER, PQFP100 |
| S3P72N8-QW | 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PQFP80 |
| S3C72N5XX-QW | 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP80 |
| S3P72P9-QX | 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PQFP100 |
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參數(shù)描述 |
|---|---|
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