PIC16C554/JW Microchip Technology, PIC16C554/JW Datasheet - Page 26
![IC MCU EPROM 512X14 18CDIP](/photos/12/13/121351/150-18-cdip_sml.jpg)
PIC16C554/JW
Manufacturer Part Number
PIC16C554/JW
Description
IC MCU EPROM 512X14 18CDIP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Specifications of PIC16C554/JW
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
POR, WDT
Number Of I /o
13
Program Memory Size
896B (512 x 14)
Program Memory Type
EPROM, UV
Ram Size
80 x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
18-CDIP (0.300", 7.62mm) Window
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
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PIC16C55X
TABLE 5-1:
TABLE 5-2:
DS40143D-page 24
RA0
RA1
RA2
RA3
RA4/T0CKI
Legend: ST = Schmitt Trigger input
05h
85h
Legend:
Note 1: Shaded bits are not used by PORTA.
Address
Name
— = Unimplemented locations, read as ‘0’, x = unknown, u = unchanged
PORTA
TRISA
Name
PORTA FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
Bit #
Bit 7
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
—
—
Bit 6
—
—
Buffer
Type
Bit 5
ST
ST
ST
ST
ST
—
—
TRISA4 TRISA3 TRISA2 TRISA1 TRISA0
Bit 4
RA4
Bi-directional I/O port.
Bi-directional I/O port.
Bi-directional I/O port.
Bi-directional I/O port.
Bi-directional I/O port or external clock input for TMR0. Output is open
drain type.
Preliminary
Bit 3
RA3
Bit 2
RA2
Bit 1
RA1
Function
Bit 0
RA0
2002 Microchip Technology Inc.
---x xxxx
---1 1111
Value on
POR
---u uuuu
---1 1111
All Other
Value on
RESETS
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