PIC16HV540 Microchip Technology, PIC16HV540 Datasheet - Page 29

• Manufacturer Part Number: PIC16HV540
• Description: Enhanced PIC16C54 EPROM-Based 8-Bit CMOS Microcontroller
• Manufacturer: Microchip Technology

FIGURE 6-6:
WDTEN
Configuration
bit
2000 Microchip Technology Inc.
T0CKI
pin
Watchdog
T
CY
Timer
( = Fosc/4)
BLOCK DIAGRAM OF THE TIMER0/WDT PRESCALER
SWDTEN bit
T0SE
(1)
0
1
Note 1:
PSA
(2)
M
U
X
(1)
2:
0
1
T0CS
T0CS, T0SE, PSA, PS<2:0> are bits in the OPTION register.
SWDTEN is a bit in the OPTION2 register.
M
U
X
(1)
0
8-bit Prescaler
8 - to - 1MUX
Time-Out
8
MUX
WDT
Preliminary
1
0
1
PSA
M
U
X
(1)
PSA
PS<2:0>
(1)
Cycles
(1)
Sync
2
Internal Oscillator
Drive Circuit
PIC16HV540
0
Oscillator Mode
Data Bus
TMR0 reg
Select
M
U
X
DS40197B-page 29
8
“SLEEP”
OSC2/
CLKOUT
7