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PIC16F1933-E/P Datasheet(PDF) 63 Page - Microchip Technology

Part # PIC16F1933-E/P
Description  28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology
PDF  418 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F1933-E/P Datasheet(HTML) 63 Page - Microchip Technology

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© 2008 Microchip Technology Inc.
Preliminary
DS41364A-page 61
PIC16F193X/LF193X
REGISTER 3-1:
WDTCON: WATCHDOG TIMER CONTROL REGISTER
U-0
U-0
R/W-0/0
R/W-1/1
R/W-0/0
R/W-1/1
R/W-1/1
R/W-0/0
—
—
WDTPS4
WDTPS3
WDTPS2
WDTPS1
WDTPS0
SWDTEN
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
u = bit is unchanged
x = Bit is unknown
-n/n = Value at POR and BOR/Value at all other Resets
‘1’ = Bit is set
‘0’ = Bit is cleared
bit 7-6
Unimplemented: Read as ‘0’
bit 5-1
WDTPS<4:0>: Watchdog Timer Period Select bits
Bit Value = Prescale Rate
00000
= 1:32 (Interval 1 ms typ)
00001
= 1:64 (Interval 2 ms typ)
00010
= 1:128 (Interval 4 ms typ)
00011
= 1:256 (Interval 8 ms typ)
00100
= 1:512 (Interval 16 ms typ)
00101
= 1:1024 (Interval 32 ms typ)
00110
= 1:2048 (Interval 64 ms typ)
00111
= 1:4096 (Interval 128 ms typ)
01000
= 1:8192 (Interval 256 ms typ)
01001
= 1:16384 (Interval 512 ms typ)
01010
= 1:32768 (Interval 1s typ)
01011
= 1:65536 (Interval 2s typ) (Reset value)
01100
= 1:131072 (217) (Interval 4s typ)
01101
= 1:262144 (218) (Interval 8s typ)
01110
= 1:524288 (219) (Interval 16s typ)
01111
= 1:1048576 (220) (Interval 32s typ)
10000
= 1:2097152 (221) (Interval 64s typ)
10001
= 1:4194304 (222) (Interval 128s typ)
10010
= 1:8388608 (223) (Interval 256s typ)
10011
= Reserved. Results in minimum interval (1:32)
•
•
•
11111
= Reserved. Results in minimum interval (1:32)
bit 0
SWDTEN: Software Enable/Disable for Watchdog Timer bit
If WDTE<1:0> = 00:
This bit is ignored.
If WDTE<1:0> = 01:
1
= WDT is turned on
0
= WDT is turned off
If WDTE<1:0> = 1x:
This bit is ignored.



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