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参数资料
| 型号： | SST89E554A-40-C-NJ |
| 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, PQCC44 |
| 封装： | PLASTIC, MS-018AC, LCC-44 |
| 文件页数： | 18/87页 |
| 文件大小： | 996K |
| 代理商： | SST89E554A-40-C-NJ |
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Preliminary Specifications
FlashFlex51 MCU
SST89E554A / SST89V554A
25
2003 Silicon Storage Technology, Inc.
S71228-00-000
6/03
Symbol
Function
WDTD
Initial/Reload value in Watchdog Timer. New value won’t be effective until WDT is set.
Symbol
Function
CF
PCA Counter Overflow Flag
Set by hardware when the counter rolls over. CF flags an interrupt if bit ECF in CMOD
is set. CF may be set by either hardware or software, but can only cleared by software.
CR
PCA Counter Run control bit
Set by software to turn the PCA counter on. Must be cleared by software to turn the
PCA counter off.
-
Not implemented, reserved for future use.
Note: User should not write ‘1’s to reserved bits. The value read from a reserved bit is indeterminate.
CCF4
PCA Module 4 interrupt flag. Set by hardware when a match or capture occurs.
Must be cleared by software.
CCF3
PCA Module 3 interrupt flag. Set by hardware when a match or capture occurs.
Must be cleared by software.
CCF2
PCA Module 2 interrupt flag. Set by hardware when a match or capture occurs.
Must be cleared by software.
CCF1
PCA Module 1 interrupt flag. Set by hardware when a match or capture occurs.
Must be cleared by software.
CCF0
PCA Module 0 interrupt flag. Set by hardware when a match or capture occurs.
Must be cleared by software.
Watchdog Timer Data/Reload Register (WDTD)
Location
76543210
Reset Value
85H
Watchdog Timer Data/Reload
00H
PCA Timer/Counter Control Register1 (CCON)
1. Bit addressable
Location
76543210
Reset Value
D8H
CF
CR
-
CCF4
CCF3
CCF2
CCF1
CCF0
00x00000b
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SST89E554RC | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E554RC-25-C-NI | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E554RC-25-C-NJ | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E554RC-25-C-PI | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E554RC-25-C-PJ | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
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