W88113C Datasheet, PDF (9/102 Pages) Winbond – ATAPI CD-ROM DECODER & CONTROLLER

W88113C
1.4 Pin Description
The following convention is used in the pin description table below:
(I)
denotes an input
(O) denotes an output
(OZ) denotes a tri-state output
(OD) denotes an open-drain output
(I/O) denotes a bi-directional signal
Miscellaneous Pins
NAME
RD15/DJ
CLKO/ALRCK
XIN
XOUT
HRSTb/GIO1
ARSTb/GIO2
CRSTb
VDD
GND
NO.
12
13
15
14
17
60
75
41, 89
1, 16, 30, 51,
66, 80
TYPE
I/O
O
I
O
I
OD
I
PIN DESCRIPTION
RAM Data 15/Drive Jumper
Clock Output/Audio LR Clock
Crystal input/output - Normally, XIN and XOUT are
connected to a crystal.
Host Reset - A low active input signal
ATAPI Reset - A low active output signal.
Chip Reset - A low-active input signal.
Power Supply Pin - 5.0V ± 5%
Ground Pin
Micro-controller Interface
NAME
UD[7:0]
URS/GIN3/D
AO
URDb
UWRb
UCSb
RD12/ALE1
ALE2
UINTb
NO.
22, 23, 25, 26,
27, 28, 29, 31
32
33
34
35
5
64
36
TYPE
I/OZ
I
I
I
I
I
I
OD
PIN DESCRIPTION
Microprocessor Data Bus - Bi-directional processor data lines.
Register Select - To select address register or internal
register.
Microprocessor Read Strobe - A low-active input signal.
Microprocessor Write Strobe - A low-active input signal.
Microprocessor Chip Select - A low-active input signal.
RAM data 12/Address Latch Enable 1
Address Latch Enable 2
Microprocessor Interrupt - A low-active output signal that can
be externally wired-OR with other interrupt sources.
Publication Release Date: Mar. 1999
-5-
Revision 0.61