參數(shù)資料
型號: PD6710
廠商: Intel Corp.
英文描述: ISA-to-PC-Card (PCMCIA) Controllers
中文描述: ISA -到- PC卡(PCMCIA)的控制器
文件頁數(shù): 38/138頁
文件大?。?/td> 723K
代理商: PD6710
PD6710/
22
ISA-to-PC-Card (PCMCIA) Controllers
38
Datasheet
out
mov
mov
out
dx, ax
al, Index_Reg
ah, user_data
dx, ax
;Desired data to be
;written to
;extended index 03h
;Read from Extension Control 1 register example
;Code section
mov
mov
mov
out
mov
out
inc
in
dx, PD67XX_Index
al, Extended_Index
ah, Ext_Cntrl_1
dx, ax
al, Index_Reg
dx, al
dx
al, dx
;al has extended
;index 03h data
4.3
Power-On Setup
Following reset, the PD67XX must be configured 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
Table 2 on page 20
) on power-up causes initialization of
all the PD67XX register bits and fields to their reset values. Not all registers have reset values; only
registers 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
Table 1 on
page 16
), is used to determine the socket to which the PD67XX will respond.
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