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參數資料
型號: W88227QD
廠商: WINBOND ELECTRONICS CORP
元件分類: 消費家電
英文描述: ATAPI CD-ROM Decoder(支持ATAPI標準的CD-ROM解碼器)
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP128
封裝: LQFP-128
文件頁數: 3/116頁
文件大小: 787K
代理商: W88227QD
Preliminary/Confidential
Subject to change without notice
W88227F
- i-
TABLE OF CONTENTS
1.
OVERVIEW
1
1.1
Features
1
1.2
Pin Map
2
1.3
Pin Arrangement
4
1.4
Basic Configuration
8
2.
FUNCTIONAL DESCRIPTION
9
2.1
Global Function
2.1.1
Decoder Register Access
2.1.2
Reset Source
2.1.3
Clock Source and Power Management
2.1.4
Multi-function Pins
2.1.4.1
GPIO1/nFWE Configuration
2.1.4.2
GPIO2/DAOUT/nFCE Configuration
2.1.4.3
GPIO3/nCCS1 Configuration
2.1.4.4
GPIO4/nCCS2/RA8 Configuration
2.1.4.5
UP32/UP33 Configuration
2.1.4.6
ASD/nROE Configuration
2.1.4.7
CASH/nWREH Configuration
2.1.5
IDE Programming Mode
2.1.5.1
Pin Mapping
2.1.5.2
IDE Programming Sequence
2.1.5.3
Initiation Key
2.1.5.4
IDE Programming Registers
2.1.6
Power-On Setting
2.1.7
External uP (EUP) Mode
2.1.8
uP Test (UPT) Mode
9
9
9
10
11
11
11
11
12
12
12
12
13
13
13
14
14
15
16
16
2.2
Decoder Function
2.2.1
DRAM Interface
2.2.1.1
Memory Layout
2.2.1.2
Block Configuration
2.2.1.3
Linear Transfer Address Counter
2.2.1.4
Linear Address v.s. Block-Offset Address
2.2.2
Microcontroller Interface
2.2.2.1
Programmable System Clock
2.2.3
Host Interface
2.2.3.1
Ultra DMA Mode Setting
2.2.3.2
Ultra DMA Error Handling
2.2.3.3
Ultra DMA Data-out
2.2.3.4
BSY flag control
2.2.3.5
Pin HIRQ control
17
17
17
18
19
20
21
21
22
22
22
23
24
24
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