Datasheet

PIC18F6585/8585/6680/8680
DS30491D-page 98  2003-2013 Microchip Technology Inc.
6.2.3 16-BIT BYTE SELECT MODE
Figure 6-3 shows an example of 16-bit Byte Select
mode for PIC18F8X8X devices.
FIGURE 6-3: 16-BIT BYTE SELECT MODE EXAMPLE
AD<7:0>
PIC18F8X8X
AD<15:8>
ALE
373
A<20:1>
373
O
E
WRH
A<19:16>
W
RL
BA0
A<20:1>
CE
A0
JEDEC Word
A<x:1>
D<15:0>
CE
D<15:0>
OE
WR
(1)
LB
UB
SRAM Memory
LB
UB
Address Bus
Data Bus
Control Lines
Note 1: This signal only applies to table writes. See Section 5.1 “Table Reads and Table Writes”.
18F8680.book Page 98 Tuesday, January 29, 2013 1:32 PM