ID246 View Datasheet(PDF) - Sharp Electronics
Part Name
Description
MFG CO.
'ID246' PDF : 38 Pages View PDF
SHARP
ID246 SERIES PRODUCT OVERVIEW
9. Component Management Registers (CMR)
Component Management Registers (CMR) are mapped at even byte locations beginning at address 4000h in
attribute memory.
9. 1 Configuration Option Register (Address:4000h)
Address
Bit.7
Bit.6
Bit.5
Bit.4
Bit.3
Bit.2
4000h SRESET
Reserved
SRESET: l=Reset State O=End Reset Cycle
Bit. 1
Bit.0
9. 2 Card Configuration Register (Address:4002h)
Address
4002h
Bit.7
PWDN:
Bit.6
Bit.5
Bit.4
Bit.3
Bit.2
Bit. 1
Bit.0
Reserved
PWDN
Reserved
l=Power-Down
Device pairs that apointed by Sleep Control Register(4118h-411 Ah) are in Power-
Down.
O=Power-Up
9. 3 Socket and Copy Register (Address:4006h)
Address
Bit.7
Bit.6
Bit.5
Bit.4
Bit.3
Bit.2
Bit.1
4006h Reserved
Copy No.
Soket No.
Soket No.: Socket Number
Copy No.: Copy Number
I
The card may use to distinguish between similar cards installed in a system.
Bit.0
TlOL-01
9. 4 Card Status Register (Address:41 OOh)
Address
Bit7
Bit.6
Bit.5
Bit.4
Bit.3
Bit.2
Bit.1
Bit.0
4100h
ADM
ADS
SRESET CMWP
PWDN
CISWP
WP RDYIBSY
ADM: ORed value of the Ready/Busy Mask Register.
1 = Any device is masked. 0 = All Devices are not Masked.
ADS: ORed value of the SleepControl Register.
1 = Any device-pair is Controledpower-down by bit.2 of the Card Configuration
Register.
SRESET: Reflects the bit.7 of the Configuration Option Register.
CMWP: Reflects the bit.1 of the Write Protection Register.
PWDN: Reflects the bit.2 of the Card Configuration Register.
CISWP: Reflects the bit.0 of the Write Protection Register.
WP: Indicates the Write Protect Switch status.
1 = Write Protect Switch: ON 1 = Write Protect Switch: OFF
RDY/BSY: Reflects the Ready/Busy StatusRegister.
1 = All devices are READY. 0 = Any device is BUSY.
TIO54-01
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