參數(shù)資料
型號(hào): PIC18F4553
廠商: Microchip Technology Inc.
英文描述: 28/40/44-Pin High-Performance, Enhanced Flash, USB Microcontrollers with 12-Bit A/D and nanoWatt Technology
中文描述: 28/40/44-Pin高性能,增強(qiáng)型閃存,USB微控制器與12位A / D和納瓦技術(shù)
文件頁(yè)數(shù): 12/46頁(yè)
文件大?。?/td> 607K
代理商: PIC18F4553
PIC18F2458/2553/4458/4553
DS39887B-page 10
Preliminary
2007 Microchip Technology Inc.
PORTA is a bidirectional I/O port.
RA0/AN0
RA0
AN0
RA1/AN1
RA1
AN1
RA2/AN2/V
REF
-/CV
REF
RA2
AN2
V
REF
-
CV
REF
RA3/AN3/V
REF
+
RA3
AN3
V
REF
+
RA4/T0CKI/C1OUT/RCV
RA4
T0CKI
C1OUT
RCV
2
I/O
I
TTL
Analog
Digital I/O.
Analog input 0.
3
I/O
I
TTL
Analog
Digital I/O.
Analog input 1.
4
I/O
I
I
O
TTL
Analog
Analog
Analog
Digital I/O.
Analog input 2.
A/D reference voltage (low) input.
Analog comparator reference output.
5
I/O
I
I
TTL
Analog
Analog
Digital I/O.
Analog input 3.
A/D reference voltage (high) input.
6
I/O
I
O
I
ST
ST
TTL
Digital I/O.
Timer0 external clock input.
Comparator 1 output.
External USB transceiver RCV input.
RA5/AN4/SS/
HLVDIN/C2OUT
RA5
AN4
SS
HLVDIN
C2OUT
RA6
Legend:
7
I/O
I
I
I
O
TTL
Analog
TTL
Analog
Digital I/O.
Analog input 4.
SPI slave select input.
High/Low-Voltage Detect input.
Comparator 2 output.
See the OSC2/CLKO/RA6 pin.
CMOS = CMOS compatible input or output
I
= Input
P
= Power
TABLE 1-2:
PIC18F2458/2553 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin
Number
Pin
Type
Buffer
Type
Description
SPDIP,
SOIC
TTL = TTL compatible input
ST
= Schmitt Trigger input with CMOS levels
O
= Output
Alternate assignment for CCP2 when CCP2MX Configuration bit is cleared.
Default assignment for CCP2 when CCP2MX Configuration bit is set.
Note 1:
2:
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