參數(shù)資料
型號: MCV18ET-I/SO
元件分類: 微控制器/微處理器
英文描述: FLASH, 20 MHz, RISC MICROCONTROLLER, PDSO18
封裝: 7.50 MM, LEAD FREE, SOIC-18
文件頁數(shù): 28/108頁
文件大小: 1509K
代理商: MCV18ET-I/SO
MCV18E
DS41399A-page 26
2009 Microchip Technology Inc.
FIGURE 3-8:
BLOCK DIAGRAM OF RB5/P1B PIN
FIGURE 3-9:
BLOCK DIAGRAM OF RB6/P1C PIN
Data Latch
From other
RBPU(1)
P
VDD
Q
D
CK
Q
D
CK
QD
EN
QD
EN
DATA BUS
WR PORTB
WR TRISB
Set RBIF
TRIS Latch
RD TRISB
RD PORTB
RB<7:4> pins
weak
pull-up
RD PORTB
Latch
TTL
Buffer
Q3
Q1
Note
1:
To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit (OPTION register).
VSS
VDD
RB5/P1B
0
1
Q
PWMB(P1B) Enable
PWMB(P1B) Data out
PWMB(P1B) Auto-shutdown tri-state
Data Latch
From other
RBPU(1)
P
VDD
Q
D
CK
Q
D
CK
QD
EN
QD
EN
DATA BUS
WR PORTB
WR TRISB
Set RBIF
TRIS Latch
RD TRISB
RD PORTB
RB<7:4> pins
weak
pull-up
RD PORTB
Latch
TTL
Buffer
Q3
Q1
Note
1:
To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit (OPTION register).
VSS
VDD
RB6/P1C
0
1
Q
PWMC(P1C) Enable
PWMC(P1C) Data out
PWMC(P1C) Auto-shutdown tri-state
ST
Buffer
ICSPC – In-Circuit Serial Programming Clock Input
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