SST89V58RD Silicon Storage Technology, SST89V58RD Datasheet - Page 26

• Manufacturer Part Number: SST89V58RD
• Description: FlashFlex51 MCU
• Manufacturer: Silicon Storage Technology

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Data Sheet
Watchdog Timer Data/Reload Register (WDTD)
PCA Timer/Counter Control Register
©2006 Silicon Storage Technology, Inc.
Location
Location
D8H
85H
Symbol
WDTD
Symbol
CF
CR
-
CCF4
CCF3
CCF2
CCF1
CCF0
1. Bit addressable
CF
7
7
CR
6
Function
Initial/Reload value in Watchdog Timer. New value won’t be effective until WDT is set.
6
Function
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.
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.
PCA Module 4 interrupt flag. Set by hardware when a match or capture occurs.
Must be cleared by software.
PCA Module 3 interrupt flag. Set by hardware when a match or capture occurs.
Must be cleared by software.
PCA Module 2 interrupt flag. Set by hardware when a match or capture occurs.
Must be cleared by software.
PCA Module 1 interrupt flag. Set by hardware when a match or capture occurs.
Must be cleared by software.
PCA Module 0 interrupt flag. Set by hardware when a match or capture occurs.
Must be cleared by software.
SST89E52RD2/RD / SST89E54RD2/RD / SST89E58RD2/RD
SST89V52RD2/RD / SST89V54RD2/RD / SST89V58RD2/RD
5
5
-
1
(CCON)
Watchdog Timer Data/Reload
CCF4
4
4
26
CCF3
3
3
CCF2
2
2
CCF1
1
1
FlashFlex51 MCU
CCF0
0
0
S71255-05-000
Reset Value
Reset Value
00x00000b
00H
5/06