參數(shù)資料
型號(hào): 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): 14/128頁
文件大?。?/td> 1591K
代理商: CL-PD6722
PRELIMINARY DATA SHEET v3.1
CL-PD6710/’22
ISA–to–PC-Card Host Adapters
May 1997
14
PIN INFORMATION
IRQ10
Interrupt Request 10:
In IRQ mode this out-
put indicates an interrupt request from one of
the cards.
When the CL-PD6722 is in DMA mode (see
Misc Control 2
, bit 6), IRQ10 is the DREQ to
be connected to DREQ0, 1, 2, 3, 5, 6, 7 of the
ISA bus. In DMA mode this signal is active-
high.
95
156
1
O-
TS
4
2 mA
IRQ12/
LED_OUT*
Interrupt Request 12 / LED Output
: In default
IRQ mode this output indicates an interrupt
request from one of the cards, and is con-
nected to the ISA bus IRQ12 signal. When the
Drive LED Enable bit (see page
61
) is set, this
output becomes an open-drain driver for a
disk-active LED (see
ATA Control
register bit
1) or PC Card activity LED (see
Extension
Control 1
register bit 2).
90
152
1
O-
TS
or
O-
OD
4
12
mA
IRQ15/
RI_OUT*
Interrupt Request 15 / Ring Indicate Output
:
In IRQ mode this output indicates an interrupt
request from one of the cards. When the
IRQ15/RI_OUT* Is RI Out bit (see page
62
) is
set to ‘1’, this output is the -RI signal from the
corresponding PC Card.
88
150
1
O-
TS
4
2 mA
-INTR
Interrupt
: This output indicates a management
interrupt. This should be connected to the sys-
tem processor’s SMI or NMI interrupt input,
depending on the type of processor used.
143
203
1
O-
TS
4
2 mA
ZWS*
Zero Wait State
: This output is connected to
the ISA ZWS (0WS) signal. It is driven low by
the CL-PD67XX when it is able to complete the
current memory access cycle in zero wait
states.
131
191
1
O-
OD
4
16
mA
Table 2-1.
ISA Bus Interface Pins
(cont.)
Pin Name
Description
Pin Number
Qty.
I/O
Pwr. Drive
CL-PD6710
CL-PD6722
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