 English |
|
|
|
|
|
|
|
| PIC16F946 Datasheet, PDF (43/274 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology | |||
| |||
| ◁ |
PIC16F946
FIGURE 3-9:
BLOCK DIAGRAM OF RB<3:0>
RBPU(1)
SE<3:0>
Data Bus D
Q
WR PORTB
CK
Data Latch
D
Q
WR TRISB
CK
TRIS Latch
RD TRISB
SE<3:0> and LCDEN
TTL
Input Buffer
VDD
P
Weak
Pull-up
VDD
I/O Pin
SEG<3:0>
INT(2)
RD PORTB
SE<3:0> and LCDEN
SE0 and LCDEN
Schmitt
Trigger
Note 1: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit.
2: RB0 only.
© 2005 Microchip Technology Inc.
Preliminary
DS41265A-page 41
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese