參數(shù)資料
型號: 16F630
廠商: Microchip Technology Inc.
英文描述: 14-Pin FLASH-Based 8-Bit CMOS Microcontrollers
中文描述: 14引腳基于閃存的8位CMOS微控制器
文件頁數(shù): 25/132頁
文件大?。?/td> 2651K
代理商: 16F630
2003 Microchip Technology Inc.
DS40039C-page 23
PIC16F630/676
3.2.3.3
RA2/AN2/T0CKI/INT/COUT
Figure 3-2 shows the diagram for this pin. The RA2 pin
is configurable to function as one of the following:
a general purpose I/O
an analog input for the A/D (PIC16F676 only)
a digital output from the comparator
the clock input for TMR0
an external edge triggered interrupt
FIGURE 3-2:
BLOCK DIAGRAM OF RA2
3.2.3.4
RA3/MCLR/V
PP
Figure 3-3 shows the diagram for this pin. The RA3 pin
is configurable to function as one of the following:
a general purpose input
as Master Clear Reset
FIGURE 3-3:
BLOCK DIAGRAM OF RA3
I/O pin
V
DD
V
SS
D
Q
CK
Q
D
Q
CK
Q
D
Q
CK
Q
D
Q
CK
Q
V
DD
D
EN
Q
D
EN
Q
Weak
Analog
Input Mode
Data Bus
WR
WPUA
RD
WPUA
RD
PORTA
WR
PORTA
WR
TRISA
RD
TRISA
WR
IOCA
RD
IOCA
Interrupt-on-Change
To A/D Converter
0
1
COUT
COUT
Enable
To INT
To TMR0
Analog
Input Mode
RAPU
RD PORTA
Analog
Input
Mode
I/O pin
V
SS
D
Q
CK
Q
D
EN
Q
Data Bus
RD PORTA
RD
PORTA
WR
IOCA
RD
IOCA
Interrupt-on-Change
RESET
MCLRE
RD
TRISA
V
SS
D
EN
Q
MCLRE
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