参数资料
型号: MSM60804GS-K4
厂商: OKI ELECTRIC INDUSTRY CO LTD
元件分类: 总线控制器
英文描述: PCMCIA BUS CONTROLLER, PQFP208
封装: 28 X 28 MM, 0.50 MM PITCH, PLASTIC, QFP-208
文件页数: 32/54页
文件大小: 978K
代理商: MSM60804GS-K4
Semiconductor
MSM60804
36
I/O Control Register
The I/O Control Register is shown below. The bits are defined below.
D7 D6 D5 D4 D3 D2 D1 D0
Slot A : Index value (base+07h)
Slot B : Index value (base+47h)
I/O Window 0 Data Size
I/O Window 0
IC16 source
I/O Window 0 Zero_ws
I/O Window 0 WAIT State
I/O Window 1 Data Size
I/O Window 1
IC16 source
I/O Window 1 Zero_ws
I/O Window 1 WAIT State
I/O Control Register (Read/Write)
I/O Control Register Description
Bits
Description
Bit 7/Bit 3
Bit 6/Bit 2
Bit 5/Bit 1
Bit 4/Bit 0
I/O Window 1 WAIT State/ I/O Window 0 WAIT State. When these bits are set to "1" and a 16-bit I/O
access is carried out, an IRDY signal is made low for 1 SCLK cycle as a 1 wait request. It is invalid in
8-bit I/O access.
I/O Window 1 Zero wait state I/O Window 0 Zero wait state. When these bits are set to "1" and an
8-bit I/O access is carried out, NWS signal is effective.
I/O Window
IC16 Source I/O Window 0 IC16 Source. When these bits are set to "1" a IC16 signal is
generated from an
IOIS16 signal:when these bits are set to "0" an IC16 signal is generated from bit 4/bit 0.
I/O Window 1 Data Size I/O Window 0 Data Size. When these bits are set to "1" a 16-bit access is
enabled: when these bits are set to "0" an 8-bit access is enabled.
CE1, CE2 and Output Control
bit1, 5
bit0, 4
IOIS16
SBHE
A0
IS16
CE2
CE1
01
00
0
01
01
0
1
01
1
0
1
0
00
1
0
1
000
0
1
001
0
1
01
0
1
0
1
1
1
0
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