PIC16F72-I/SP Microchip Technology Inc., PIC16F72-I/SP Datasheet - Page 24

• Manufacturer Part Number: PIC16F72-I/SP
• Description: 28 PIN, 3.5 KB FLASH, 128 RAM, 22 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F72-I/SP

• A/d Inputs: 5-Channel, 8-Bit
• Cpu Speed: 5 MIPS
• Eeprom Memory: 0 Bytes
• Input Output: 22
• Interface: I2C/SPI
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SPDIP
• Programmable Memory: 3.5K Bytes
• Ram Size: 128 Bytes
• Speed: 20 MHz
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC16F72
TABLE 3-1:
TABLE 3-2:
DS39597B-page 22
Address
05h
85h
9Fh
Legend: x = unknown, u = unchanged, - = unimplemented locations read as ‘0’.
Name
RA0/AN0
RA1/AN1
RA2/AN2
RA3/AN3/V
RA4/T0CKI
RA5/AN4/SS
Legend: TTL = TTL input, ST = Schmitt Trigger input
Note:
Shaded cells are not used by PORTA.
PORTA
TRISA
ADCON1
When using the SSP module in SPI Slave mode and SS enabled, the A/D Port Configuration Control bits
(PCFG2:PCFG0) in the A/D Control Register (ADCON1) must be set to one of the following configurations:
100, 101, 11x.
REF
Name
PORTA FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
Bit#
bit 0
bit 1
bit 2
bit 3
bit 4
bit 5
Bit 7
—
—
—
Buffer Function
Bit 6
TTL
TTL
TTL
TTL
TTL
ST
—
—
—
PORTA Data Direction Register
Input/output or analog input.
Input/output or analog input.
Input/output or analog input.
Input/output or analog input or V
Input/output or external clock input for Timer0. Output is open drain type.
Input/output or analog input or slave select input for synchronous serial port.
Bit 5
RA5
—
Bit 4
RA4
—
Bit 3
RA3
—
PCFG2 PCFG1 PCFG0 ---- -000 ---- -000
Bit 2
RA2
REF .
Bit 1
RA1
Bit 0
RA0
 2002 Microchip Technology Inc.
--0x 0000 --0u 0000
--11 1111 --11 1111
POR, BOR
Value on
Value on
all other
RESETS