- 您现在的位置：买卖IC网 > PDF目录69327 > S3P7238XX-QW 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PQFP80 PDF资料下载
参数资料
| 型号： | S3P7238XX-QW |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | 14 X 20 MM, QFP-80 |
| 文件页数： | 17/36页 |
| 文件大小： | 295K |
| 代理商： | S3P7238XX-QW |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页当前第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页
S3C7238/P7238/C7235/P7235
S3P7238/P7235 OTP
16-3
Table 16-1. Pin Descriptions Used to Read/Write the EPROM
Main Chip
During Programming
Pin Name
Pin No.
I/O
Function
V
LC1
SDAT
10
I/O
Serial data pin. Output port when reading and
input port when writing can be assigned as
Input/push-pull output port respectively.
V
LC2
SCLK
11
I/O
Serial clock pin. Input only pin.
TEST
V
PP (TEST)
16
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
19
I
Chip initialization
V
DD / VSS
V
DD / VSS
12/13
I
Logic power supply pin. V
DD should be tied to +5
V during programming.
Table 16-2. Comparison of S3P7238/P7235 and S3C7238/C7235 Features
Characteristic
S3P7238/P7235
S3C7238/C7235
Program Memory
8 K/16 K-byte EPROM
8 K/16-Kbyte mask ROM
Operating Voltage (V
DD)
1.8 V to 5.5 V
OTP Programming Mode
V
DD = 5 V, VPP (TEST) = 12.5 V
–
Pin Configuration
80 QFP
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 S3P7238/P7235, 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
0
0000H
1
EPROM read
12.5V
0
0000H
0
EPROM program
12.5V
0
0000H
1
EPROM verify
12.5V
1
0E3FH
0
EPROM read protection
NOTE: "0" means low level; "1" means high level.
相关PDF资料 |
PDF描述 |
|---|---|
| S3P8095-SO | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDSO32 |
| S3C8095XX-AO | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP32 |
| S3P825A-QW | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80 |
| S3P8837-AQ | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP42 |
| S3C8835XX-AQ | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| S3P7295 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:The S3C7295 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core, SAM47 (Samsung Arrangeable M |
| S3P72B9 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:The S3C72B5/C72B7/C72B9 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core, SAM47 (Samsung A |
| S3P72C8 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:The S3C72C8 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core, SAM47 (Samsung Arrangeable M |
| S3P72E8 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:The S3C72E8/P72E8 is a SAM47 core-based 4-bit CMOS single-chip microcontroller. It has a timer/counter and LCD drivers. |
| S3P72E8DZZ-QX88 | 制造商:Samsung Semiconductor 功能描述: 制造商:Samsung Semiconductor 功能描述:S3P72E8DZZ-QX88 - Bulk |
发布紧急采购，3分钟左右您将得到回复。