2000 Microchip Technology Inc.
DS30605C-page 11
PIC16C63A/65B/73B/74B
TABLE 3-1:
PIC16C63A/73B PINOUT DESCRIPTION
Pin Name
DIP
Pin#
SOIC
Pin#
I/O/P
Type
Buffer
Type
Description
OSC1/CLKIN
9
9
I
ST/CMOS
(3)
Oscillator crystal input/external clock source input.
OSC2/CLKOUT
10
10
O
—
Oscillator crystal output. Connects to crystal or resonator in
crystal oscillator mode. In RC mode, the OSC2 pin outputs
CLKOUT which has 1/4 the frequency of OSC1, and denotes
the instruction cycle rate.
MCLR/V
PP
1
1
I/P
ST
Master clear (RESET) input or programming voltage input.
This pin is an active low RESET to the device.
PORTA is a bi-directional I/O port.
RA0/AN0
(4)
2
2
I/O
TTL
RA0 can also be analog input 0
(4)
.
RA1/AN1
(4)
3
3
I/O
TTL
RA1 can also be analog input 1
(4)
.
RA2/AN2
(4)
4
4
I/O
TTL
RA2 can also be analog input 2
(4)
.
RA3/AN3/V
REF
(4)
5
5
I/O
TTL
RA3 can also be analog input 3 or analog reference
voltage
(4)
.
RA4/T0CKI
6
6
I/O
ST
RA4 can also be the clock input to the Timer0 module.
Output is open drain type.
RA5/SS/AN4
(4)
7
7
I/O
TTL
RA5 can also be analog input 4
(4)
or the slave select for
the synchronous serial port.
PORTB is a bi-directional I/O port. PORTB can be software
programmed for internal weak pull-up on all inputs.
RB0/INT
21
21
I/O
TTL/ST
(1)
RB0 can also be the external interrupt pin.
RB1
22
22
I/O
TTL
RB2
23
23
I/O
TTL
RB3
24
24
I/O
TTL
RB4
25
25
I/O
TTL
Interrupt-on-change pin.
RB5
26
26
I/O
TTL
Interrupt-on-change pin.
RB6
27
27
I/O
TTL/ST
(2)
Interrupt-on-change pin. Serial programming clock.
RB7
28
28
I/O
TTL/ST
(2)
Interrupt-on-change pin. Serial programming data.
PORTC is a bi-directional I/O port.
RC0/T1OSO/T1CKI
11
11
I/O
ST
RC0 can also be the Timer1 oscillator output or Timer1
clock input.
RC1/T1OSI/CCP2
12
12
I/O
ST
RC1 can also be the Timer1 oscillator input or Capture2
input/Compare2 output/PWM2 output.
RC2/CCP1
13
13
I/O
ST
RC2 can also be the Capture1 input/Compare1
output/PWM1 output.
RC3/SCK/SCL
14
14
I/O
ST
RC3 can also be the synchronous serial clock input/output
for both SPI and I
2
C modes.
RC4/SDI/SDA
15
15
I/O
ST
RC4 can also be the SPI Data In (SPI mode) or
data I/O (I
2
C mode).
RC5/SDO
16
16
I/O
ST
RC5 can also be the SPI Data Out (SPI mode).
RC6/TX/CK
17
17
I/O
ST
RC6 can also be the USART Asynchronous Transmit
or Synchronous Clock.
RC7/RX/DT
18
18
I/O
ST
RC7 can also be the USART Asynchronous Receive
or Synchronous Data.
V
SS
8, 19
8, 19
P
—
Ground reference for logic and I/O pins.
V
DD
20
20
P
—
Positive supply for logic and I/O pins.
Legend: I = input
O = output
I/O = input/output
P = power
— = Not used
TTL = TTL input
ST = Schmitt Trigger input
Note
1: This buffer is a Schmitt Trigger input when configured as the external interrupt.
2: This buffer is a Schmitt Trigger input when used in Serial Programming mode.
3: This buffer is a Schmitt Trigger input when configured in RC oscillator mode and a CMOS input otherwise.
4: A/D module is not available in the PIC16C63A.
Summary of Contents for PIC16C63A
Page 4: ...PIC16C63A 65B 73B 74B DS30605C page 4 2000 Microchip Technology Inc NOTES ...
Page 6: ...PIC16C63A 65B 73B 74B DS30605C page 6 2000 Microchip Technology Inc NOTES ...
Page 8: ...PIC16C63A 65B 73B 74B DS30605C page 8 2000 Microchip Technology Inc NOTES ...
Page 28: ...PIC16C63A 65B 73B 74B DS30605C page 28 2000 Microchip Technology Inc NOTES ...
Page 42: ...PIC16C63A 65B 73B 74B DS30605C page 42 2000 Microchip Technology Inc NOTES ...
Page 78: ...PIC16C63A 65B 73B 74B DS30605C page 78 2000 Microchip Technology Inc NOTES ...
Page 112: ...PIC16C63A 65B 73B 74B DS30605C page 112 2000 Microchip Technology Inc NOTES ...
Page 152: ...PIC16C63A 65B 73B 74B DS30605C page 152 2000 Microchip Technology Inc NOTES ...
Page 164: ...PIC16C63A 65B 73B 74B DS30605C page 164 2000 Microchip Technology Inc NOTES ...
Page 174: ...PIC16C63A 65B 73B 74B DS30605C page 174 2000 Microchip Technology Inc NOTES ...
Page 178: ...PIC16C63A 65B 73B 74B DS30605C page 178 2000 Microchip Technology Inc NOTES ...
Page 179: ... 2000 Microchip Technology Inc DS30605C page 179 PIC16C63A 65B 73B 74B NOTES ...
Page 180: ...PIC16C63A 65B 73B 74B DS30605C page 180 2000 Microchip Technology Inc NOTES ...
Page 181: ... 2000 Microchip Technology Inc DS30605C page 181 PIC16C63A 65B 73B 74B NOTES ...
Page 182: ...PIC16C63A 65B 73B 74B DS30605C page 182 2000 Microchip Technology Inc NOTES ...
Page 183: ... 2000 Microchip Technology Inc DS30605C page 183 PIC16C63A 65B 73B 74B NOTES ...