W88113C Datasheet, PDF (84/102 Pages) Winbond – ATAPI CD-ROM DECODER & CONTROLLER

W88113C
RASB
CASB
tRP
tRAS
tRCD
tPC
DRAM Timing
5.2 Microcontroller Interface
5.2.1 Direct Register Addressing
The default register addressing mode of W88113CF is direct register addressing mode. If ALE2
(5Ch.3) is low, pin RD12/ALE1 (5) is used as ALE input; otherwise, pin ALE2 (64) is used as ALE
input (default after chip reset).
Alternative Power-On Setting
RA8 pull-down
4.7KΩ
RA7 pull-down Direct Register ALE input pin 16-bit DRAM
4.7KΩ
Select
support
no (default)
no (default)
yes
ALE2
yes
no
yes
yes
ALE1
no
yes
no
no
x
yes
yes
yes
no
x
no
UCSB
ALE
URD/UWR
ADDR
DATA
- 80 -
Publication Release Date: Mar. 1999
Revision 0.61