PIC16F1947-I/PT Microchip Technology Inc., PIC16F1947-I/PT Datasheet - Page 109
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PIC16F1947-I/PT
Manufacturer Part Number
PIC16F1947-I/PT
Description
64 TQFP 10x10x1mm TRAY28KB Flash, 1KB RAM, 256B EEPROM, LCD, 1.8-5.5V
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16LF1946-IPT.pdf
(448 pages)
Specifications of PIC16F1947-I/PT
A/d Inputs
17-Channel, 10-Bit
Comparators
3
Cpu Speed
8 MIPS
Eeprom Memory
256 Bytes
Input Output
54
Interface
CAN/I2C/SPI/UART/USART
Memory Type
Flash
Number Of Bits
8
Package Type
64-pin TQFP
Programmable Memory
28K Bytes
Ram Size
1K Bytes
Speed
32 MHz
Timers
4-8-bit, 1-16-bit
Voltage, Range
1.8-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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REGISTER 10-1:
2010 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
u = Bit is unchanged
‘1’ = Bit is set
bit 7-6
bit 5-1
bit 0
U-0
—
Unimplemented: Read as ‘0’
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 (2
01101 = 1:262144 (2
01110 = 1:524288 (2
01111 = 1:1048576 (2
10000 = 1:2097152 (2
10001 = 1:4194304 (2
10010 = 1:8388608 (2
10011 = Reserved. Results in minimum interval (1:32)
11111 = Reserved. Results in minimum interval (1:32)
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.
U-0
•
•
•
—
WDTCON: WATCHDOG TIMER CONTROL REGISTER
W = Writable bit
x = Bit is unknown
‘0’ = Bit is cleared
R/W-0/0
17
18
19
20
21
22
23
) (Interval 4s typ)
) (Interval 8s typ)
) (Interval 16s typ)
) (Interval 32s typ)
) (Interval 64s typ)
) (Interval 128s typ)
) (Interval 256s typ)
R/W-1/1
Preliminary
U = Unimplemented bit, read as ‘0’
-m/n = Value at POR and BOR/Value at all other Resets
WDTPS<4:0>
R/W-0/0
PIC16F/LF1946/47
R/W-1/1
R/W-1/1
DS41414B-page 109
SWDTEN
R/W-0/0
bit 0
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