PIC16C72A-20I/SP Microchip Technology, PIC16C72A-20I/SP Datasheet - Page 20

• Manufacturer Part Number: PIC16C72A-20I/SP
• Description: IC MCU OTP 2KX14 A/D PWM 28DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C72A-20I/SP

• Core Size: 8-Bit
• Program Memory Size: 3.5KB (2K x 14)
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Type: OTP
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 5x8b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Controller Family/series: PIC16C
• No. Of I/o's: 22
• Ram Memory Size: 128Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Interface: I2C, SPI
• No. Of Pwm Channels: 1
• Embedded Interface Type: I2C, SPI
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIC16C62B/72A
TABLE 3-1
TABLE 3-2
DS35008B-page 20
Name
RA0/AN0
RA1/AN1
RA2/AN2
RA3/AN3/V
RA4/T0CKI
RA5/SS/AN4
Legend: TTL = TTL input, ST = Schmitt Trigger input
Note 1: The PIC16C62B does not implement the A/D module.
Address Name
05h
05h
85h
9Fh
Legend: x = unknown, u = unchanged, - = unimplemented locations read as ’0’. Shaded cells are not used by PORTA.
Note 1: The PIC16C62B does not implement the A/D module. Maintain this register clear.
PORTA
(for PIC16C72A only)
PORTA
(for PIC16C62B only)
TRISA
ADCON1
REF
PORTA FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
(1)
Bit#
bit0
bit1
bit2
bit3
bit4
bit5
Buffer
TTL
TTL
TTL
TTL
ST
TTL
Bit 7
—
—
—
—
Bit 6
Input/output or analog input
Input/output or analog input
Input/output or analog input
Input/output or analog input
Input/output or external clock input for Timer0
Output is open drain type
Function
Input/output or slave select input for synchronous serial port or analog input
—
—
—
—
PORTA Data Direction Register
Bit 5
RA5
RA5
—
Preliminary
Bit 4
RA4
RA4
—
Bit 3
RA3
RA3
—
(1)
(1)
(1)
(1)
PCFG2 PCFG1
Bit 2
RA2
RA2
or V
REF
Bit 1
RA1
RA1
(1)
PCFG0
Bit 0
RA0
RA0
1999 Microchip Technology Inc.
--0x 0000
--xx xxxx
--11 1111
---- -000
Value on
POR,
BOR
other resets
Value on all
--0u 0000
--uu uuuu
--11 1111
---- -000
(1)