PIC16F946 Datasheet, PDF (65/274 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology

FIGURE 3-26:
BLOCK DIAGRAM OF RE<7:4, 2:0>
Data Bus
WR PORTE
WR TRISE
DQ
CK Q
Data Latch
DQ
CK Q
TRIS Latch
RD TRISE
Analog Mode or
Schmitt
SE<27:21> and LCDEN Trigger
PIC16F946
VDD
RE<7:4,2:0>
Pins
RD PORTE
SEG<27:21>
SE<27:21> and LCDEN
AN<7:5>⁽¹⁾
Note 1: Analog input for A/D apply to RE<2:0> pins only.
© 2005 Microchip Technology Inc.
Preliminary
DS41265A-page 63