PIC17C42-25/JW Microchip Technology, PIC17C42-25/JW Datasheet - Page 104
PIC17C42-25/JW
Manufacturer Part Number
PIC17C42-25/JW
Description
MICRO CTRL 2K X 16 EPROM 40 CDIP
Manufacturer
Microchip Technology
Series
PIC® 17Cr
Specifications of PIC17C42-25/JW
Core Processor
PIC
Core Size
8-Bit
Speed
25MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
33
Program Memory Size
4KB (2K x 16)
Program Memory Type
EPROM, UV
Ram Size
232 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
40-CDIP (0.600", 15.24mm) Window
For Use With
AC174001 - MODULE SKT PROMATEII 40DIP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
PIC17C42/JW
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PIC17C4X
FIGURE 14-8: WATCHDOG TIMER BLOCK DIAGRAM
TABLE 14-4:
DS30412C-page 104
Address
06h, Unbanked CPUSTA
Legend: - = unimplemented read as '0', q - value depends on condition, shaded cells are not used by the WDT.
Note 1: Other (non power-up) resets include: external reset through MCLR and Watchdog Timer Reset.
Note 1: This oscillator is separate from the external
—
2: This value will be as the device was programmed, or if unprogrammed, will read as all '1's.
RC oscillator on the OSC1 pin.
On-chip RC
Oscillator
Name
Config
REGISTERS/BITS ASSOCIATED WITH THE WATCHDOG TIMER
(1)
Bit 7
—
—
WDT Enable
WDT
Bit 6
PM1
—
STKAV
Bit 5
—
GLINTD
Bit 4
PM0
WDTPS1 WDTPS0
Bit 3
TO
Bit 2
PD
4 - to - 1 MUX
WDT Overflow
Postscaler
FOSC1
Bit 1
—
FOSC0
Bit 0
—
1996 Microchip Technology Inc.
WDTPS1:WDTPS0
--11 11--
Power-on
Value on
(Note 2)
Reset
other resets
Value on all
--11 qq--
(Note1)
(Note 2)
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