FlashFlex51 MCU
SST89E52RD2 / SST89E54RD2 / SST89E58RD2 / SST89E516RD2
SST89V52RD2 / SST89V54RD2 / SST89V58RD2 / SST89V516RD2
Preliminary Specifications
TABLE
3-9: WATCHDOG TIMER SFRS
Direct
Bit Address, Symbol, or Alternative Port Function
Reset
Value
Symbol Description
Address MSB
LSB
WDTC1 Watchdog Timer
Control
C0H
85H
-
-
-
WDOUT
WDRE
WDTS
WDT
SWDT xxx00x00b
WDTD Watchdog Timer
Data/Reload
Watchdog Timer Data/Reload
00H
T3-9.0 1255
1. Bit Addressable SFRs
TABLE 3-10: TIMER/COUNTERS SFRS
Direct
Bit Address, Symbol, or Alternative Port Function
Reset
Symbol Description
Address MSB
LSB
Value
TMOD
Timer/Counter
Mode Control
89H
Timer 1
Timer 0
00H
GATE C/T#
M1
M0
GATE
IE1
C/T#
IT1
M1
IE0
M0
IT0
TCON1
Timer/Counter
Control
88H
TF1
TR1
TF0
TR0
00H
TH0
TL0
TH1
TL1
Timer 0 MSB
Timer 0 LSB
Timer 1 MSB
Timer 1 LSB
8CH
8AH
8DH
8BH
C8H
TH0[7:0]
TL0[7:0]
TH1[7:0]
TL1[7:0]
00H
00H
00H
00H
00H
T2CON1 Timer / Counter 2
Control
TF2
-
EXF2 RCLK TCLK EXEN2 TR2 C/T2# CP/RL2#
T2MOD# Timer2
Mode Control
C9H
-
-
-
-
-
T2OE
DCEN
xxxxxx00b
TH2
TL2
Timer 2 MSB
Timer 2 LSB
CDH
CCH
CBH
TH2[7:0]
TL2[7:0]
00H
00H
00H
RCAP2H Timer 2
Capture MSB
RCAP2L Timer 2
Capture LSB
RCAP2H[7:0]
CAH
RCAP2L[7:0]
00H
T3-10.0 1255
1. Bit Addressable SFRs
©2004 Silicon Storage Technology, Inc.
S71255-00-000
3/04
19
SST [ SILICON STORAGE TECHNOLOGY, INC ]
