參數(shù)資料
型號(hào): PIC16CR620A
廠商: Microchip Technology Inc.
元件分類: 8位微控制器
英文描述: EPROM-Based 8-Bit CMOS Microcontroller
中文描述: 存儲(chǔ)器為基礎(chǔ)的8位CMOS微控制器
文件頁(yè)數(shù): 11/108頁(yè)
文件大小: 645K
代理商: PIC16CR620A
1998 Microchip Technology Inc.
Preliminary
DS30235G-page 11
PIC16C62X
TABLE 3-1:
PIC16C62X PINOUT DESCRIPTION
Name
DIP/
SOIC
Pin #
SSOP
Pin #
I/O/P
Type
Buffer
Type
Description
OSC1/CLKIN
OSC2/CLKOUT
16
15
18
17
I
ST/CMOS Oscillator crystal input/external clock source input.
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.
ST
Master clear (reset) input/programming voltage input.
This pin is an active low reset to the device.
PORTA is a bi-directional I/O port.
ST
Analog comparator input
ST
Analog comparator input
ST
Analog comparator input or V
ST
Analog comparator input /output
ST
Can be selected to be the clock input to the Timer0
timer/counter or a comparator output. Output is open
drain type.
PORTB is a bi-directional I/O port. PORTB can be
software programmed for internal weak pull-up on all
inputs.
RB0/INT can also be selected as an external
interrupt pin.
TTL
TTL
TTL
TTL
Interrupt on change pin.
TTL
Interrupt on change pin.
TTL/ST
Interrupt on change pin. Serial programming clock.
TTL/ST
Interrupt on change pin. Serial programming data.
Ground reference for logic and I/O pins.
Positive supply for logic and I/O pins.
O
MCLR/V
PP
4
4
I/P
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3
RA4/T0CKI
17
18
1
2
3
19
20
1
2
3
I/O
I/O
I/O
I/O
I/O
REF
REF
output
RB0/INT
6
7
I/O
TTL/ST
(1)
RB1
RB2
RB3
RB4
RB5
RB6
RB7
V
SS
V
DD
7
8
9
10
11
12
13
5
14
8
9
10
11
12
13
14
5,6
15,16
I/O
I/O
I/O
I/O
I/O
I/O
I/O
P
P
(2)
(2)
Legend:
O = output
— = Not used
TTL = TTL input
I/O = input/output
I = Input
P = power
ST = Schmitt Trigger 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.
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