參數(shù)資料
型號: PIC16FR622
廠商: Microchip Technology Inc.
英文描述: FlexROM Based CMOS Microcontoller Series(工作電壓2.5~6V,2路比較器,微控制器)
中文描述: FlexROM的CMOS Microcontoller系列(工作電壓2.5?6V的,2路比較器,微控制器)
文件頁數(shù): 5/12頁
文件大?。?/td> 126K
代理商: PIC16FR622
1996 Microchip Technology Inc.
Advanced Information
DS40140A-page 5
PIC16FR62X
TABLE 2-1:
PIC16FR62X 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. 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 soft-
ware programmed for internal weak pull-up on all inputs.
(1)
RB0/INT can also be selected as an external inter-
rupt pin.
TTL
TTL
TTL
TTL
Interrupt on change pin.
TTL
Interrupt on change pin.
TTL/ST
Interrupt on change pin.
TTL/ST
Interrupt on change pin.
Ground reference for logic and I/O pins.
Positive supply for logic and I/O pins.
I/O = input/output
P = power
I = Input
ST = Schmitt Trigger input
O
MCLR
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
RB1
RB2
RB3
RB4
RB5
RB6
RB7
V
SS
V
DD
Legend:
7
8
9
8
9
I/O
I/O
I/O
I/O
I/O
I/O
I/O
P
P
10
11
12
13
14
5,6
15,16
10
11
12
13
5
14
O = output
— = Not used
TTL = TTL input
Note 1: This buffer is a Schmitt Trigger input when configured as the external interrupt.
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