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参数资料
| 型号： | SST89E58RD2-40-C-PIE |
| 厂商： | SILICON STORAGE TECHNOLOGY INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PDIP40 |
| 封装： | LEAD FREE, PLASTIC, MS-011AC, DIP-40 |
| 文件页数： | 29/91页 |
| 文件大小： | 1017K |
| 代理商： | SST89E58RD2-40-C-PIE |
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Preliminary Specifications
FlashFlex51 MCU
SST89E52RD2 / SST89E54RD2 / SST89E58RD2 / SST89E516RD2
SST89V52RD2 / SST89V54RD2 / SST89V58RD2 / SST89V516RD2
35
2004 Silicon Storage Technology, Inc.
S71255-00-000
3/04
4.0 FLASH MEMORY PROGRAMMING
The device internal flash memory can be programmed or
erased using the following two methods:
External Host Programming mode
In-Application Programming (IAP) mode
4.1 External Host Programming Mode
External host programming mode allows the user to pro-
gram the flash memory directly without using the CPU.
External host mode is entered by forcing PSEN# from a
logic high to a logic low while RST input is being held con-
tinuously high. The device will stay in external host mode
as long as RST = 1 and PSEN# = 0.
A Read-ID operation is necessary to “arm” the device in
external host mode, and no other external host mode com-
mands can be enabled until a Read-ID is performed. In
external host mode, the internal flash memory blocks are
accessed through the re-assigned I/O port pins (see Figure
4-1 for details) by an external host, such as a MCU program-
mer, a PCB tester or a PC-controlled development board.
Note: VIL = Input Low Voltage; VIH = Input High Voltage; VIH1 = Input High Voltage (XTAL, RST); X = Don’t care; AL = Address low order byte;
AH = Address high order byte; DI = Data Input; DO = Data Output; A[15:13] = 0xxb for Block 0 and A[15:13] = 111b for Block 1
TABLE
4-1: EXTERNAL HOST MODE COMMANDS FOR SST89E/V5XRD2
Operation
RST
PSEN#
PROG#/
ALE
EA#
P3[7]
P3[6]
P2[7]
P2[6]
P0[7:0]
P3[5:4]
P2[5:0]
P1[7:0]
Read-ID
VIH1
VIL
VIH
VIL
DO
AH
AL
Chip-Erase
VIH1
VIL
1
1. Symbol
signifies a negative pulse and the command is asserted during the low state of PROG#/ALE input.
All other combinations of the above input pins are invalid and may result in unexpected behaviors.
VIH
VIL
VIH
XXX
Block-Erase
VIH1
VIL
VIH
VIL
VIH
X
A[15:13]
X
Sector-Erase
VIH1
VIL
VIH
VIL
VIH
XAH
AL
Byte-Program
VIH1
VIL
VIH
VIL
DI
AH
AL
Byte-Verify (Read)
VIH1
VIL
VIH
VIL
DO
AH
AL
Prog-SC0
VIH1
VIL
VIH
VIL
VIH
X5AH
X
Prog-SC1
VIH1
VIL
VIH
VIL
VIH
X
AAH
X
Prog-SB1
VIH1
VIL
VIH
XXX
Prog-SB2
VIH1
VIL
VIH
VIL
VIH
XXX
Prog-SB3
VIH1
VIL
VIH
VIL
VIH
VIL
VIH
XXX
Enable-Clock-Double
VIH1
VIL
VIH
VIL
X
55H
X
T4-1.0 1255
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| SST89E516RD2-40-C-PIE | 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PDIP40 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SST89E58RD2-40-C-PIE1 | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E58RD2-40-C-PIF2 | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E58RD2-40-C-PJ | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E58RD2-40-C-PJE1 | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E58RD2-40-C-PJF2 | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
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