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參數(shù)資料
| 型號： | CL-PD6722 |
| 廠商： | Cirrus Logic, Inc. |
| 英文描述： | ISA-TOOPC-CARD HOST ADAPTERS |
| 中文描述： | ISA的TOOPC卡主機(jī)適配器 |
| 文件頁數(shù)： | 31/128頁 |
| 文件大?。?/td> | 1591K |
| 代理商： | CL-PD6722 |
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CL-PD6710/’22
ISA–to–PC-Card Host Adapters
May 1997
31
PRELIMINARY DATA SHEET v3.1
INTRODUCTION
Figure 3-5. Indexed 8-Bit Register Example
The following code segment demon-
strates use of an indexed 8-bit register:
mov dx, 3E0h
mov al, 02h
mov ah, 3Ch
out dx, ax
02h
3E1h
3E0h
Internal Registers
Register
Indexes
I/O Addresses
3Ch
02h
3Ch
AH
AL
Double-Indexed Registers
The CL-PD67XX has Extension registers that add to
the functionality of the 82365SL-compatible register
set. Within the Extension registers is an
Extended
Index
register and
Extended Data
register that pro-
vide access to more registers. The registers
accessed through
Extended Index
and
Extended
Data
are thus double indexed. The example below
shows how to access the
Extension Control 1
reg-
ister, one of the double-indexed registers.
;Write to Extension Control 1 register example
;Constants section
Extended_IndexEQU 2Eh
Index_RegEQU 2Fh
Ext_Cntrl_1EQU 03h
PD67XX_IndexEQU 3E0h
;Code section
mov
mov
mov
out
mov
mov
out
dx, PD67XX_Index
al, Extended_Index
ah, Ext_Cntrl_1
dx, ax
al, Index_Reg
ah, user_data;Desired data to be
dx, ax;written to
;extended index 03h
;Read from Extension Control 1 register example
;Code section
mov
mov
dx, PD67XX_Index
al, Extended_Index
mov
out
mov
out
inc
in
ah, Ext_Cntrl_1
dx, ax
al, Index_Reg
dx, al
dx ;al has extended
al, dx;index 03h data
3.3
Power-On Setup
Following reset, the CL-PD67XX must be config-
ured by host software. The host software’s setup
procedure is different depending on its PC system
configuration, in particular, the power supply
arrangement.
The application of the RESET signal (see
page 18
)
on power-up causes initialization of all the
CL-PD67XX register bits and fields to their reset val-
ues. Not all registers have reset values; only regis-
ters with bits and fields specified to have reset
values are initialized.
One bit, which is loaded on hardware reset from the
SPKR_OUT*/C_SEL pin (see
page 15
), is used to
determine the socket to which the CL-PD67XX will
respond.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CL-PS6700 | Low-Power PC Card Controller for the CL-PS7111 |
| CL-PS6700-VC-A | Low-Power PC Card Controller for the CL-PS7111 |
| CL-PS7110-VC-A | Low-Power System-on-a-Chip |
| CL-PS7110-VI-A | Low-Power System-on-a-Chip |
| CL-PS7110 | Low-Power System-on-a-Chip |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CL-PD6722-VC-B | 制造商:Cirrus Logic 功能描述:ELECTRONIC COMPONENT |
| CL-PD6729-QC-C | 制造商:BASIS 功能描述: |
| CLPD6729QCE | 制造商:BASIS 功能描述: |
| CL-PD6729-QC-E | 制造商:CIRRUS LOGIC 功能描述: |
| CL-PD6730-QC-B79030-648AC | 制造商:CL 功能描述:CL-PD6730-QC-B79030- |
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