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參數(shù)資料
| 型號： | KS88P8432 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | SAM87 family of 8-bit single-chip CMOS microcontrollers offers a fast and efficient CPU |
| 中文描述： | SAM87家庭的8位單芯片CMOS微控制器提供了快速，高效的CPU |
| 文件頁數(shù)： | 24/25頁 |
| 文件大?。?/td> | 168K |
| 代理商： | KS88P8432 |
KS88C8424/C8432/P8432
KS88P8432 OTP
17-3
Table 17-1. Descriptions of Pins Used to Read/Write the EPROM (KS88P8432)
Main Chip
During Programming
Pin Name
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
V
DD
/V
SS
RESET
V
DD
/V
SS
33
I
5 V: operating mode, 0 V: OTP mode
34/30, 37
I
Logic power supply pin.
Table 17-2. Comparison of KS88P8432 and KS88C8424/C8432 Features
Characteristic
KS88P8432
KS88C8424/C8432
Program Memory
Operating Voltage (V
DD
)
32-Kbyte EPROM
24/32-Kbyte mask ROM
4.5 V to 5.5 V
4.5 V to 5.5 V
OTP Programming Mode
V
DD
= 5 V, TEST V
PP
= 12.5 V
–
Pin Configuration
42 SDIP
42 SDIP
EPROM Programmability
User Program 1 time
Programmed at the factory
OPERATING MODE CHARACTERISTICS
When 12.5 V is supplied to the VPP(TEST) pin of the KS88P8432, 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 17-3. Operating Mode Selection Criteria
VDD
VPP
(TEST)
REG/
MEM
ADDRESS
(A15-A0)
R/W
MODE
5 V
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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