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參數資料
型號: W88112F
廠商: WINBOND ELECTRONICS CORP
元件分類: 存儲控制器/管理單元
英文描述: ATAPI CD-ROM DECODER & CONTROLLER
中文描述: IDE COMPATIBLE, CD ROM CONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數: 8/64頁
文件大小: 466K
代理商: W88112F
W88111AF/W88112F
Preliminary/Confidential
ATAPI CD-ROM Decoder & Controller
This specification is subject to change without notice.
Publication Release Date: Aug, 1996
Preliminary/ Confidential Revision A0.1
- 8 -
PIN DESCRIPTIONS
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
NO.
TYPE
PIN DESCRIPTION
PAR/PJ
12
I/O
RAM Parity Data/Drive Jumper - As a RAM parity bit when
PJSEL (19h.6) is high and as a drive select jumper when PJSEL
is low.
CLKO
13
O
Clock Output - If CLKOS (1Ah.3) is low, CLKO pin will supply
clock signal of one-half the crystal frequency. If CLKOS is high,
CLKO pin will supply normal crystal frequency.
XIN
XOUT
15
14
I
O
Crystal Input/Output - Normally, XIN and XOUT are connected to
a crystal.
HRSTb
21
I
Host Reset - A pin receives reset signal from the host.
ARSTb
60
OD
ATAPI Reset - After receiving an ATAPI Soft Reset command,
this pin becomes active-low when ARSTEN (2Fh.3) is enabled.
CRSTb
75
I
Chip Reset - Forcing this input low to reset the whole chip.
VDD
41, 89
Power Supply Pin - 5.0V
±
5%
Ground Pin
GND
1, 16, 30, 46,
51, 66, 80, 94
NC
7, 24, 58, 64,
72, 86
No Connected Pin
Micro-controller Interface
NAME
NO.
TYPE
PIN DESCRIPTION
UD[7:0]
22, 23, 25, 26,
27, 28, 29, 31
I/OZ
Microprocessor Data Bus - Bi-directional processor data lines.
URS
32
I
Register Select - To select address register or internal register.
URDb
33
I
Microprocessor Read Strobe - A low-active signal.
UWRb
34
I
Microprocessor Write Strobe - A low-active signal.
UCSb
35
I
Microprocessor Chip Select - A low-active signal.
相關PDF資料
PDF描述
W88113C ATAPI CD-ROM DECODER & CONTROLLER
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W88113CF ATAPI CD-ROM DECODER & CONTROLLER
W88227F ATAPI CD-ROM Decoder(支持ATAPI標準的CD-ROM解碼器)
W88227QD ATAPI CD-ROM Decoder(支持ATAPI標準的CD-ROM解碼器)
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