參數(shù)資料
型號： KS88P4632
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： new SAM8 family of 8-bit single-chip CMOS microcontrollers offers a fast and efficient CPU, a wide range of integrated peripherals, and various mask-p
中文描述： 新型8 SAM8系列位單芯片CMOS微控制器提供了快速，高效的CPU，一個廣泛的集成外設(shè)，以及各種面具磷
文件頁數(shù)： 34/34頁
文件大?。?/td> 246K
代理商： KS88P4632
KS88P4632 OTP
KS88C4616/C4632/P4632
21-4
Table 21-1. Descriptions of Pins Used to Read/Write the EPROM
Main Chip
During Programming
Pin Name
P4.2
Pin Name
SDAT
Pin No.
14(7)
I/O
I/O
Function
Serial data pin. Output port when reading and
input port when writing. Can be assigned as a
Input/push-pull output port.
Serial clock pin. Input only pin.
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 aplied, OTP is in reading mode.
(Option)
Chip Initialization
Logic power supply pin. V
DD
should be tied to
+5 V during programming.
P4.1
EA
SCLK
V
PP
15(8)
20(13)
I
I
RESET
RESET
23(16)
16(9)/17(10)
I
–
V
DD
/V
SS
V
DD
/V
SS
NOTE:
( ) means 64 QFP package.
Table 21-2. Comparison of KS88P4632 and KS88C4616/C4632 Features
Characteristic
Program Memory
Operating Voltage (V
DD
)
OTP Programming Mode
KS88P4632
KS88C4616/C4632
16/32-Kbyte mask ROM
2.7 V to 5.5 V
32-Kbyte EPROM
2.7 V to 5.5 V
V
DD
= 5 V, V
PP
(EA) = 12.5 V
64 SDIP/64 QFP
User Program 1 time
Pin Configuration
EPROM Programmability
64 SDIP/64 QFP
Programmed at the factory
OPERATING MODE CHARACTERISTICS
When 12.5 V is supplied to the V
PP
(EA) pin of the KS88P4632, 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 21-3 below.
Table 21-3. Operating Mode Selection Criteria
V
DD
V
PP
(
EA
)
REG/
MEM
ADDRESS
(A15–A0)
R/W
MODE
5 V
5 V
12.5 V
12.5 V
12.5 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.
相關(guān)PDF資料
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