PIC18F6585 Datasheet, PDF (101/496 Pages) Microchip Technology – 64/68/80-Pin High-Performance, 64-Kbyte Enhanced Flash Microcontrollers with ECAN Module

PIC18F6585/8585/6680/8680
6.2.4 16-BIT MODE TIMING
Figure 6-4 shows the 16-bit mode external bus timing
for PIC18F8X8X devices.
FIGURE 6-4:
EXTERNAL PROGRAM MEMORY BUS TIMING (16-BIT MODE)
Apparent Q Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q4 Q4 Q4 Q4
Actual Q Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
A<19:16>
0h
Ch
AD<15:0>
3AABh
0E55h
CF33h
9256h
BA0
ALE
OE
WRH _{‘1’}
WRL _{‘1’}
Opcode Fetch
MOVLW 55h
from 007556h
‘1’
‘1’
1 TCY Wait
Table Read
of 92h
from 199E67h
 2004 Microchip Technology Inc.
DS30491C-page 99