參數(shù)資料
型號(hào)： KS86P4304
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)： 33/34頁(yè)
文件大?。?/td> 208K
代理商： KS86P4304
KS86C4302/C4304/P4304
KS86P4304 OTP
16-5
Table 16-1. Descriptions of Pins Used to Read/Write the EPROM
Main Chip
During Programming
Pin Name
Pin Name
Pin No.
I/O
Function
P0.3
SDAT
18 (20-pin)
16 (18-pin)
I/O
Serial data pin (output when reading, Input
when writing) Input and push-pull output
port can be assigned
P0.2
SCLK
19 (20-pin)
17 (18-pin)
I
Serial clock pin (input only pin)
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)
RESET
V
DD
/V
SS
RESET
V
DD
/V
SS
7
I
Chip Initialization
20 (20-pin), 18 (18-pin)
1 (20-pin), 1 (18-pin)
I
Logic power supply pin.
NOTE
:
( ) means the SOP OTP pin number.
Table 16-2. Comparison of KS86P4304 and KS86C4302/C4304 Features
Characteristic
KS86P4304
KS86C4302/C4304
Program Memory
Operating Voltage (V
DD
)
4 Kbyte EPROM
2K/4K byte mask ROM
3.0 V to 5.5 V
3.0 V to 5.5 V
OTP Programming Mode
V
DD
= 5 V, V
PP
(TEST) = 12.5 V
Pin Configuration
20 DIP/20 SOP/18 DIP
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 KS86P4304, 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 16-3. 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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