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參數(shù)資料
| 型號(hào)： | S3C9442 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | SAM88RCRI family of 8-bit single-chip CMOS microcontrollers |
| 中文描述： | SAM88RCRI家庭的8位單芯片CMOS微控制器 |
| 文件頁(yè)數(shù)： | 26/26頁(yè) |
| 文件大?。?/td> | 167K |
| 代理商： | S3C9442 |
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S3C9442/C9444/F9444/C9452/C9454/F9454
S3F9444/F9454 MTP
15-3
Table 15-1. Descriptions of Pins Used to Read/Write the Flash ROM
Main Chip
Pin Name
P0.1
During Programming
I/O
I/O
Pin Name
SDA
Pin No.
Function
18 (20-pin)
14 (16-pin)
Serial data pin (output when reading, Input
when writing) Input and push-pull output port
can be assigned
Serial clock pin (input only pin)
P0.0
SCL
19 (20-pin)
15 (16-pin)
4
I
RESET
, P1.2
V
PP
I
Power supply pin for flash ROM cell writing
(indicates that MTP enters into the writing
mode). When 12.5 V is applied, MTP is in
writing mode and when 5 V is applied,
MTP is in reading mode. (Option)
Logic power supply pin.
V
DD
/V
SS
V
DD
/V
SS
20 (20-pin), 16 (16-pin)
1 (20-pin), 1 (16-pin)
I
Table 15-2. Comparison of S3F9444/F9454 and S3C9442/C9444/C9452/C9454 Features
Characteristic
Program Memory
Operating Voltage (V
DD
)
OTP Programming Mode
S3F9444/F9454
4 Kbyte Flash ROM
2.0 V to 5.5 V
S3C9442/C9444/C9452/C9454
2K/4K byte mask ROM
2.0 V to 5.5 V
V
DD
= 5 V, V
PP
= 12.5 V
20 DIP/20 SOP/16 DIP/8 DIP/8 SOP
User Program multi time
Pin Configuration
EPROM Programmability
Programmed at the factory
OPERATING MODE CHARACTERISTICS
When 12.5 V is supplied to the V
PP
pin of the S3F9444/F9454 Flash ROM 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 15-3 below.
Table 15-3. Operating Mode Selection Criteria
V
DD
V
PP
REG/
MEM
Address
(A15–A0)
0000H
0000H
0000H
0E3FH
R/W
Mode
5 V
5 V
12.5 V
12.5 V
12.5 V
0
0
0
1
1
0
1
0
Flash ROM read
Flash ROM program
Flash ROM verify
Flash ROM read protection
NOTE:
"0" means Low level; "1" means High level.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S3C9444 | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:SAM88RCRI family of 8-bit single-chip CMOS microcontrollers |
| S3C9452 | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:SAM88RCRI INSTRUCTION SET |
| S3C9454 | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:SAM88RCRI INSTRUCTION SET |
| S3C9454B27-DK94 | 制造商:Samsung Electro-Mechanics 功能描述:MicroController, 8-Bit, 20 Pin, Plastic, DIP 制造商:Samsung Semiconductor 功能描述:MicroController, 8-Bit, 20 Pin, Plastic, DIP |
| S3C9484 | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:8-bit CMOS Microcontroller Revision 1 |
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