
2001 Microchip Technology Inc.
Advance Information
DS39541A-page 115
PIC18C601/801
TABLE 9-9:
PORTE FUNCTIONS
TABLE 9-10:
SUMMARY OF REGISTERS ASSOCIATED WITH PORTE
Name
Bit#
Buffer Type
Function
RE0/AD8/A8(2)
bit0
ST/TTL(1)
Input/output port pin or Address/Data bit 8
RE1/AD9/A9(2)
bit1
ST/TTL(1)
Input/output port pin or Address/Data bit 9
RE2/AD10/A10(2)
bit2
ST/TTL(1)
Input/output port pin or Address/Data bit 10
RE3/AD11/A11(2)
bit3
ST/TTL(1)
Input/output port pin or Address/Data bit 11
RE4/AD12/A12(2)
bit4
ST/TTL(1)
Input/output port pin or Address/Data bit 12
RE5/AD13/A13(2)
bit5
ST/TTL(1)
Input/output port pin or Address/Data bit 13
RE6/AD14/A14(2)
bit6
ST/TTL(1)
Input/output port pin or Address/Data bit 14
RE7/AD15/A15(2)
bit7
ST/TTL(1)
Input/output port pin or Address/Data bit 15
Legend: ST = Schmitt Trigger input, TTL = TTL input
Note 1: Input buffers are Schmitt Triggers when in I/O mode and TTL buffers when in System Bus mode.
2: REx is used as a multiplexed address/data bus for PIC18C601 and PIC18C801 in 16-bit mode, and as an
address only for PIC18C801 in 8-bit mode.
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on:
POR,
BOR
Value on all
other
RESETS
TRISE
PORTE Data Direction Control Register
1111 1111
PORTE
Read PORTE pin/Write PORTE Data Latch
xxxx xxxx
uuuu uuuu
LATE
Read PORTE Data Latch/Write PORTE Data Latch
xxxx xxxx
uuuu uuuu
MEMCON
EBDIS
PGRM
WAIT1
WAIT0
—
WM1
WM0
0000 --00
Legend: x = unknown, u = unchanged. Shaded cells are not used by PORTE.