参数资料
型号: SST89E554A-40-I-TQJ
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, PQFP44
封装: MS-026ACB, TQFP-44
文件页数: 20/87页
文件大小: 996K
代理商: SST89E554A-40-I-TQJ
Preliminary Specifications
FlashFlex51 MCU
SST89E554A / SST89V554A
27
2003 Silicon Storage Technology, Inc.
S71228-00-000
6/03
Symbol
Function
-
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.
ECOMn
Enable Comparator
0: Disables the comparator function
1: Enables the comparator function
CAPPn
Capture Positive
0: Disables positive edge capture on CEX[4:0]
1: Enables positive edge capture on CEX[4:0]
CAPNn
Capture Negative
0: Disables negative edge capture on CEX[4:0]
1: Enables negative edge capture on CEX[4:0]
MATn
Match: Set ECOM[4:0] and MAT[4:0] to implement the software timer mode
0: Disables software timer mode
1: A match of the PCA counter with this module’s compare/capture register causes the
CCFn bit in CCON to be set, flagging an interrupt.
TOGn
Toggle
0: Disables toggle function
1: A match of the PCA counter with this module’s compare/capture register causes the
the CEXn pin to toggle.
PWMn
Pulse Width Modulation mode
0: Disables PWM mode
1: Enables CEXn pin to be used as a pulse width modulated output
ECCFn
Enable CCF Interrupt
0: Disables compare/capture flag CCF[4:0] in the CCON register to generate an
interrupt request.
1: Enables compare/capture flag CCF[4:0] in the CCON register to generate an
interrupt request.
PCA Compare/Capture Module Mode Register1 (CCAPMn)
Location
76543210
Reset Value
DAH
-
ECOM0
CAPP0
CAPN0
MAT0
TOG0
PWM0
ECCF0
00xxx000b
DBH
-
ECOM1
CAPP1
CAPN1
MAT1
TOG1
PWM1
ECCF1
00xxx000b
DCH
-
ECOM2
CAPP2
CAPN2
MAT2
TOG2
PWM2
ECCF2
00xxx000b
DDH
-
ECOM3
CAPP3
CAPN3
MAT3
TOG3
PWM3
ECCF3
00xxx000b
DEH
-
ECOM4
CAPP4
CAPN4
MAT4
TOG4
PWM4
ECCF4
00xxx000b
1. Not bit addressable
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