參數(shù)資料
型號： C9658
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： MICROCONTROLLER
中文描述： 單片機
文件頁數(shù)： 27/27頁
文件大?。?/td> 230K
代理商： C9658
S3C9654/C9658/P9658
S3P9658 OTP
17-3
Table 17-1. Descriptions of Pins Used to Read/Write the EPROM
Main Chip
Pin Name
P1.0
During Programming
I/O
I/O
Serial Data Pin (Output when reading, Input when
writing) Input and Push-pull Output Port can be
assigned
I/O
Serial Clock Pin (Input Only Pin)
Pin Name
SDAT
Pin Number (20 DIP)
5
Function
P1.1
SCLK
4
RESET
RESET
16
I
0 V : OTP write and test mode
5 V : Operating mode
Chip Initialization and EPROM Cell Writing Power
Supply Pin (Indicates OTP Mode Entering) When
writing 12.5 V is applied and when reading.
Logic Power Supply Pin.
TEST
V
PP
(TEST)
13
I
V
DD
/V
SS
V
DD
/V
SS
19/2
I
Table 17-2. Comparison of S3P9658 and S3C9654/C9658 Features
Characteristic
S3P9658
S3C9654/C9658
Program Memory
Operating Voltage (V
DD
)
OTP Programming Mode
8 K-byte EPROM
4.0 V to 5.25 V
4/8 K-byte mask ROM
4.0 V to 5.25 V
V
DD
= 5 V, V
PP
(TEST) = 12.5 V
20/18/16 DIP, 20/18/16 SOP
User Program 1 time
Pin Configuration
EPROM Programmability
20/18/16 DIP, 20/18/16 SOP, 16SSOP
Programmed at the factory
OPERATING MODE CHARACTERISTICS
When 12.5 V is supplied to the V
PP
(
RESET
) pin of the S3P9658, 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 14-3 below.
Table 17-3. Operating Mode Selection Criteria
V
DD
V
PP
(
RESET
)
5 V
12.5 V
12.5 V
12.5 V
REG/
MEM
Address (A15-A0)
R/W
Mode
5 V
0
0
0
1
0000H
0000H
0000H
0E3FH
1
0
1
0
EPROM read
EPROM program
EPROM verify
EPROM read protection
NOTE:
"0" means Low level; "1" means High level.
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