PIC16CE623T-20ISS Просмотр технического описания (PDF) - Microchip Technology
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PIC16CE623T-20ISS Datasheet PDF : 113 Pages
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PIC16CE62X
TABLE 3-1: PIC16CE62X PINOUT DESCRIPTION
Name
DIP/
SOIC
Pin #
SSOP
Pin #
I/O/P
Type
Buffer
Type
Description
OSC1/CLKIN
16
18
I
ST/CMOS Oscillator crystal input/external clock source input.
OSC2/CLKOUT
15
17
O
— Oscillator crystal output. Connects to crystal or resonator
in crystal oscillator mode. In RC mode, OSC2 pin outputs
CLKOUT which has 1/4 the frequency of OSC1, and
denotes the instruction cycle rate.
MCLR/VPP
4
4
I/P
ST Master clear (reset) input/programming voltage input.
This pin is an active low reset to the device.
RA0/AN0
17
19
I/O
PORTA is a bi-directional I/O port.
ST
Analog comparator input
RA1/AN1
18
20
I/O
ST
Analog comparator input
RA2/AN2/VREF
RA3/AN3
1
1
I/O
ST
2
2
I/O
ST
Analog comparator input or VREF output
Analog comparator input /output
RA4/T0CKI
3
3
I/O
ST
Can be selected to be the clock input to the Timer0
timer/counter or a comparator output. Output is open
drain type.
RB0/INT
PORTB is a bi-directional I/O port. PORTB can be
software programmed for internal weak pull-up on all
inputs.
6
7
I/O TTL/ST(1)
RB0/INT can also be selected as an external
interrupt pin.
RB1
7
8
I/O
TTL
RB2
8
9
I/O
TTL
RB3
RB4
9
10
I/O
TTL
10
11
I/O
TTL
Interrupt on change pin.
RB5
RB6
RB7
11
12
12
13
13
14
I/O
TTL
I/O TTL/ST(2)
I/O TTL/ST(2)
Interrupt on change pin.
Interrupt on change pin. Serial programming clock.
Interrupt on change pin. Serial programming data.
VSS
5
5,6
P
— Ground reference for logic and I/O pins.
VDD
14 15,16
P
— Positive supply for logic and I/O pins.
Legend:
O = output
I/O = input/output P = power
— = Not used
I = Input
ST = Schmitt Trigger input
TTL = TTL input
Note 1: This buffer is a Schmitt Trigger input when configured as the external interrupt.
Note 2: This buffer is a Schmitt Trigger input when used in serial programming mode.
© 1999 Microchip Technology Inc.
DS40182C-page 9
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