PIC16F506 Microchip Technology, PIC16F506 Datasheet - Page 23

• Manufacturer Part Number: PIC16F506
• Description: (PIC12F510 / PIC16F506) 8-Bit Flash Microcontroller
• Manufacturer: Microchip Technology

REGISTER 4-4:
© 2006 Microchip Technology Inc.
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2-0
OPTION REGISTER (PIC16F506)
RBWU: Enable Wake-up On Pin Change bit (RB0, RB1, RB3, RB4)
1 = Disabled
0 = Enabled
RBPU: Enable Weak Pull-ups bit (RB0, RB1, RB3, RB4)
1 = Disabled
0 = Enabled
T0CS: Timer0 Clock Source Select bit
1 = Transition on T0CKI pin
0 = Internal instruction cycle clock (CLKOUT)
T0SE: Timer0 Source Edge Select bit
1 = Increment on high-to-low transition on T0CKI pin
0 = Increment on low-to-high transition on T0CKI pin
PSA: Prescaler Assignment bit
1 = Prescaler assigned to the WDT
0 = Prescaler assigned to Timer0
PS<2:0>: Prescaler Rate Select bits
Legend:
R = Readable bit
-n = Value at POR
bit 7
RBWU
W-1
Bit Value
000
001
010
011
100
101
110
111
RBPU
W-1
Timer0 Rate
1 : 2
1 : 4
1 : 8
1 : 16
1 : 32
1 : 64
1 : 128
1 : 256
T0CS
W-1
Preliminary
W = Writable bit
‘1’ = Bit is set
WDT Rate
1 : 1
1 : 2
1 : 4
1 : 8
1 : 16
1 : 32
1 : 64
1 : 128
T0SE
W-1
PIC12F510/16F506
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
PSA
W-1
W-1
PS2
x = Bit is unknown
PS1
W-1
DS41268B-page 21
W-1
PS0
bit 0