RFPIC12C509AG Datasheet, PDF (33/104 Pages) Microchip Technology – 18/20-Pin 8-Bit CMOS Microcontroller with UHF ASK/FSK Transmitter

rfPIC12C509AG/509AF
FIGURE 6-5:
BLOCK DIAGRAM OF THE TIMER0/WDT PRESCALER
TCY ( = Fosc/4)
GP2/T0CKI
Pin
0
M
U
1X
1
M
U
0X
Sync
2
Cycles
T0SE
T0CS
PSA
Data Bus
8
TMR0 reg
Watchdog
Timer
WDT Enable bit
0
M
U
1X
PSA
8-bit Prescaler
8
8 - to - 1MUX
PS2:PS0
0
1
MUX
PSA
WDT
Time-Out
Note: T0CS, T0SE, PSA, PS2:PS0 are bits in the OPTION register.
© 2001 Microchip Technology Inc.
Preliminary
DS70031A-page 31