參數(shù)資料
型號(hào)： KS86P4208
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： SAM87Ri family of 8-bit single-chip CMOS microcontrollers offers a fast and efficient CPU, a wide range of integrated peripherals, and various mask-pr
中文描述： SAM87Ri家庭的8位單芯片CMOS微控制器提供了快速，高效的CPU，一個(gè)廣泛的集成外設(shè)，各種面具，公關(guān)
文件頁(yè)數(shù)： 27/28頁(yè)
文件大?。?/td> 204K
代理商： KS86P4208
KS86C4204/C4208/P4208
KS86P4208 OTP
18-3
Table 18-1. Descriptions of Pins Used to Read/Write the EPROM
Main Chip
Pin Name
P0.3
During Programming
I/O
I/O
Pin Name
SDAT
Pin No.
Function
KS86P4208
- 30 SDIP: 28
- 32 SOP: 30
Serial data pin (output when reading, Input
when writing) Input and push-pull output
port can be assigned
Serial clock pin (input only pin)
P0.2
SCLK
KS86P4208
- 30 SDIP: 29
- 32 SOP: 31
I
TEST
V
PP
(TEST)
4
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)
Chip Initialization
RESET
V
DD
/V
SS
RESET
V
DD
/V
SS
7
I
KS86P4208
- 30 SDIP: 30/1
- 32 SOP: 32/1
I
Logic power supply pin.
Table 18-2. Comparison of KS86P4208 and KS86C4204/C4208 Features
Characteristic
Program Memory
Operating Voltage (V
DD
)
KS86P4208
8-Kbyte EPROM
KS86C4204/C4208
4/8-Kbyte mask ROM
3.0 V to 5.5 V (28 SOP: 1.8 V to 5.5)
3.0 V to 5.5 V (28 SOP: 1.8 V to 5.5)
OTP Programming Mode
V
DD
= 5 V, V
PP
(TEST) = 12.5 V
Pin Configuration
30 SDIP/32 SOP/28SOP
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 KS86P4208, 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 18-3 below.
Table 18-3. Operating Mode Selection Criteria
V
DD
V
pp
(TEST)
REG/
MEM
ADDRESS
(A15-A0)
R/W
MODE
5 V
5 V
12.5 V
0
0
0000H
0000H
1
0
EPROM read
EPROM program
12.5 V
12.5 V
0
1
0000H
0E3FH
1
0
EPROM verify
EPROM read protection
NOTE:
"0" means Low level; "1" means High level.
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