參數(shù)資料
型號: 22450C
英文描述: MicroManager Chip
中文描述: 手動?lanSC520微控制器的客戶開發(fā)平臺(CDP)的用戶手冊
文件頁數(shù): 60/78頁
文件大?。?/td> 1849K
代理商: 22450C
élanSC520 Microcontroller Customer Development Platform User’s Manual
A-10
Jumper JP9
Jumper JP9 is used to route one ISA-compatible DACKn channel from the PC/
104-Plus connector to the microcontroller’s GPDACK1 input. The following
settings indicate the possible configurations for jumper JP9.
To route ISA DACK0 to microcontroller GPDACK1, jumper pins 1 and 2.
To route ISA DACK1 to microcontroller GPDACK1, jumper pins 3 and 4.
To route ISA DACK2 to microcontroller GPDACK1, jumper pins 5 and 6.
To route ISA DACK3 to microcontroller GPDACK1, jumper pins 7 and 8.
To route ISA DACK5 to microcontroller GPDACK1, jumper pins 9 and 10.
To route ISA DACK6 to microcontroller GPDACK1, jumper pins 11 and 12.
To route ISA DACK7 to microcontroller GPDACK0, jumper pins 13 and 14.
Jumper JP8 must be used to route the corresponding DRQx signal (i.e., the selected
channel number must match, for example DRQ0 and DACK0). Also, the channel
number selected must be different from the channel selected by JP6 and JP7 (if
any). Figure A-9 shows the default signal routing for jumper JP9, with ISA DACK6
routed to GPDACK1.
Figure A-9. Jumper JP9 Default Routing
ISA Connectors
élanSC520
Microcontroller
JP7
DRQ0
DRQ1
DRQ2
DRQ3
DRQ5
DRQ6
DRQ7
DACK0
DACK1
DACK2
DACK3
DACK5
DACK6
DACK7
JP9
JP8
JP6
G
G
G
G
ISADRQ1
ISADRQ0
ISADACK1
ISADACK0
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