參數(shù)資料
型號(hào): 16F628
廠商: Microchip Technology Inc.
英文描述: CAT 5E CROSSOVER PATCH CORD CABLE BLUE 1 FT
中文描述: 基于閃存的8位CMOS微控制器
文件頁數(shù): 35/168頁
文件大?。?/td> 3760K
代理商: 16F628
2002 Microchip Technology Inc.
Preliminary
DS40044A-page 33
PIC16F627A/628A/648A
FIGURE 5-4:
BLOCK DIAGRAM OF RA4/T0CKI PIN
FIGURE 5-5:
BLOCK DIAGRAM OF THE
RA5/MCLR/V
PP
PIN
FIGURE 5-6:
BLOCK DIAGRAM OF
RA6/OSC2/CLKOUT PIN
Data
Bus
Q
D
Q
CK
N
WR
PORTA
WR
TRISA
Data Latch
TRIS Latch
RD TRISA
RD PORTA
Vss
RA4 Pin
Q
D
Q
CK
D
Q
EN
TMR0 Clock Input
Schmitt Trigger
Input Buffer
Comparator Output
Comparator Mode = 110
Vss
V
DD
1
0
(CMCON Reg.)
D
Q
EN
HV Detect
MCLR Filter
RA5/MCLR/V
PP
MCLR
circuit
Program
mode
MCLRE
RD
TRISA
V
SS
Data
Bus
V
SS
PORTA
RD
Schmitt Trigger
Input Buffer
(Configuration Bit)
WR
PORTA
D
CK
Q
Q
WR
TRISA
V
DD
V
SS
CLKOUT(F
OSC
/4)
(F
OSC
=
101, 111)
(2)
Q
D
RD
TRISA
EN
RD PORTA
F
OSC
=
011, 100, 110
(1)
D
CK
Q
Q
From OSC1
OSC
Circuit
Note
1:
2:
INTOSC with RA6 = I/O or RC with RA6 = I/O.
INTOSC with RA6 = CLKOUT or RC with RA6 =
CLKOUT.
Schmitt
Trigger
Input Buffer
Data Latch
TRIS Latch
1
0
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