PIC16C54B-20I/P Microchip Technology, PIC16C54B-20I/P Datasheet - Page 40
![MICRO CTRL 512 20MHZ OTP 18DIP](/photos/6/76/67657/18-dip_300mil__sml.jpg)
PIC16C54B-20I/P
Manufacturer Part Number
PIC16C54B-20I/P
Description
MICRO CTRL 512 20MHZ OTP 18DIP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Specifications of PIC16C54B-20I/P
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
POR, WDT
Number Of I /o
12
Program Memory Size
768B (512 x 12)
Program Memory Type
OTP
Ram Size
25 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
18-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Request inventory verification / Request inventory verification
Eeprom Size
-
Data Converters
-
Connectivity
-
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PIC16C5X
FIGURE 7-13: WATCHDOG TIMER BLOCK DIAGRAM
TABLE 7-5:
DS30453B-page 40
N/A
Legend: Shaded boxes = Not used by Watchdog Timer,
Address
– = unimplemented, read as '0', u = unchanged
OPTION
Name
Note: T0CS, T0SE, PSA, PS2:PS0
SUMMARY OF REGISTERS ASSOCIATED WITH THE WATCHDOG TIMER
WDT Enable
EPROM Bit
Watchdog
are bits in the OPTION register.
Timer
Bit 7
—
From TMR0 Clock Source
Bit 6
—
T0CS
Bit 5
0
1
PSA
M
U
X
Preliminary
T0SE
Bit 4
Bit 3
PSA
0
Time-out
8 - to - 1 MUX
WDT
MUX
Postscaler
Postscaler
Bit 2
PS2
1
Bit 1
PS1
PSA
To TMR0
Bit 0
PS2:PS0
PS0
1998 Microchip Technology Inc.
--11 1111
Power-On
Value on
Reset
--11 1111
WDT Reset
MCLR and
Value on
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