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参数资料
| 型号： | ST52E430B/D |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, UVPROM, 20 MHz, MICROCONTROLLER, CDIP32 |
| 封装： | WINDOWED, SHRINK, CERAMIC, DIP-32 |
| 文件页数： | 38/120页 |
| 文件大小： | 502K |
| 代理商： | ST52E430B/D |
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ST52T430/E430
3 EPROM
The EPROM memory provides an on-chip
user-programmable non-volatile memory, that
allows fast and reliable storage of user data.
The EPROM memory can be locked by user. In fact
a memory location, called Lock Cell, is devoted to
lock the EPROM and to avoid external operations.
It is possible to write a software identification code,
called ID CODE, to distinguish which software
version is stored in the memory.
There are 64 kbits of memory space with an 8-bit
internal parallelism (8 kbytes) addressed by an
13-bit bus. The data bus is of 8 bits.
The memory has a double supply: VPP is equal to
12V±5% in Programming Phase or to VSS during
Working Phase. VDD is equal to 5V±10%.
The ST52x430 EPROM memory is divided into
three main blocks (see Figure 3.1):
n
Interrupt Vectors memory block (3 through 20)
contains the addresses for the interrupt routines.
Each address is composed of three bytes.
n
Mbfs Setting memory block (21 through 1026)
contains the coordinates of the vertexes of every
Mbf defined in the program.
n
The Program Instruction Set memory block (1027
through 8190) contains the instruction set of the
user program.
The locations 0, 1 and 2 contain the address of the
first microcode instruction.
The operations that can be performed on the
EPROM during the Programming Phase are:
Stand By, Memory Writing, Reading and
Verify/Margin Mode, Memory Lock, IDCode
Writing and Verify.
Above operations are managed by using an
internal 4-bit configuration register and an EPROM
Configuration Register. The reading phase is
executed with VPP=5V±5%, while the
verify/Margin Mode phase needs VPP= 12V±5%.
The Blank Check must be a reading operation with
VPP=5V±5%.
Table 3.1 shows the EPROM Configuration
Register codes used to identify the running
operation.
0
2
3
20
Program Instruction
First Address
INT_EXT
INT_SCI
INT_TIMER/PWM2
INT_TIMER/PWM1
INT_TIMER/PWM0
INT_ADC
8191
1026
1027
Mbfs Parameters
Fuzzy and Boolean
Algorithms
Program
Instruction
Set
Mbfs Setting
Interrupt
Vectors
21
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ST52E430K1B6 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT INTELLIGENT CONTROLLER UNIT ICU Three Timer/PWMs, ADC, SCI |
| ST52E430K1M6 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT INTELLIGENT CONTROLLER UNIT ICU Three Timer/PWMs, ADC, SCI |
| ST52E430K1T6 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT INTELLIGENT CONTROLLER UNIT ICU Three Timer/PWMs, ADC, SCI |
| ST52E430K2B6 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT INTELLIGENT CONTROLLER UNIT ICU Three Timer/PWMs, ADC, SCI |
| ST52E430K2M6 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT INTELLIGENT CONTROLLER UNIT ICU Three Timer/PWMs, ADC, SCI |
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