PIC16C554-20E/SS Microchip Technology, PIC16C554-20E/SS Datasheet - Page 26

• Manufacturer Part Number: PIC16C554-20E/SS
• Description: IC MCU OTP 512X14 20SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C554-20E/SS

• 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: OTP
• Ram Size: 80 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -

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