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GPBA01B डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Bus Extender - Generalplus

भाग संख्या GPBA01B
समारोह Bus Extender
मैन्युफैक्चरर्स Generalplus 
लोगो Generalplus लोगो 
पूर्व दर्शन
1 Page
		
<?=GPBA01B?> डेटा पत्रक पीडीएफ

GPBA01B pdf
GPBA01B
Table of Contents
PAGE
1. GENERAL DESCRIPTION .......................................................................................................................................................................... 4
2. FEATURES.................................................................................................................................................................................................. 4
3. APPLICATION FIELD.................................................................................................................................................................................. 4
4. BLOCK DIAGRAM ...................................................................................................................................................................................... 4
4.1. WORK AS MEMORY EXTENDER ............................................................................................................................................................... 4
4.2. WORK AS I/O EXTENDER........................................................................................................................................................................ 4
4.3. GPBA01B BLOCK DIAGRAM .................................................................................................................................................................. 4
5. SIGNAL DESCRIPTIONS............................................................................................................................................................................ 5
6. FUNCTIONAL DESCRIPTIONS.................................................................................................................................................................. 6
6.1. THE EASIEST SYSTEM............................................................................................................................................................................ 6
6.2. ADDRESS/DATA BUS CONTROL............................................................................................................................................................... 6
6.2.1. Decode table ............................................................................................................................................................................. 6
6.2.2. Timing relations between control signals, AH, AL and data. ..................................................................................................... 6
6.3. EXAMPLE ON ADDRESS MAPPING ........................................................................................................................................................... 7
6.4. ADDRESS MAPPING ON A SYSTEM .......................................................................................................................................................... 7
6.5. DAISY CHAIN ......................................................................................................................................................................................... 8
6.5.1. Example .................................................................................................................................................................................... 8
6.5.2. Configuration............................................................................................................................................................................. 9
6.6. CLOCK DIVIDER ..................................................................................................................................................................................... 9
7. REGISTER DESCRIPTION ....................................................................................................................................................................... 10
7.1. P_00H_BMIBANK ($0000) (W) ........................................................................................................................................................... 10
7.1.1. CFG=3 Example ..................................................................................................................................................................... 10
7.1.2. CFG=6 Example ..................................................................................................................................................................... 10
7.2. P_0DH_BMIVOLUMEID ($000D) (W) .................................................................................................................................................. 10
7.3. P_20H_BEXPORT0 ($0020)(R/W) ..................................................................................................................................................... 10
7.4. P_21H_BEXPORT1 ($0021) (R/W)......................................................................................................................................................11
7.5. P_22H_BEXPORT2 ($0022) (R/W)......................................................................................................................................................11
7.6. P_23H_BEXCONFIG ($0023)(W).........................................................................................................................................................11
7.6.1. Bus extender pin assignment for 8 configurations .................................................................................................................. 12
7.6.2. Memory Mapping Summary with Configuration 2~7............................................................................................................... 13
8. STANDBY CONDITION ............................................................................................................................................................................. 14
9. PCB LAYOUT CONSIDERATION ............................................................................................................................................................. 14
10. ELECTRICAL SPECIFICATIONS ............................................................................................................................................................. 15
10.1.ABSOLUTE MAXIMUM RATINGS ............................................................................................................................................................. 15
10.2.DC CHARACTERISTICS (VDD = 2.4V - 5.5V, TA = 0TO 70) ............................................................................................................ 15
10.3.AC CHARACTERISTICS (VDD = 2.4V - 5.5V, TA = 0TO 70) ............................................................................................................. 16
10.4.READ PORT CYCLE .............................................................................................................................................................................. 17
10.5.READ MEMORY CYCLE......................................................................................................................................................................... 17
10.6.WRITE PORT CYCLE ............................................................................................................................................................................ 18
10.7.WRITE CYCLE...................................................................................................................................................................................... 18
11. APPLICATION CIRCUITS & EXAMPLE PROGRAM................................................................................................................................ 19
© Generalplus Technology Inc.
Proprietary & Confidential
2
MAY 28, 2007
Version: 1.1

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डाउनलोड[ GPBA01B Datasheet.PDF ]


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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
GPBA01BBus ExtenderGeneralplus
Generalplus


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