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: 21/54页
文件大小: 978K
代理商: MSM60804GS-K4
Semiconductor
MSM60804
26
Interface Status Register
The Interface Status Register is shown below. The bits are defined below.
D7 D6 D5 D4 D3 D2 D1 D0
Slot A : Index value (base + 01h)
Slot B : Index value (base + 41h)
Battery Voltage Detect 1
Card Detect 1
Card Detect 2
Memory Write Protect
Ready/
BUSY
PC Card Power Active
Reserve
Interface Status Register (Read Only)
Interface Status Register Description
D Bits
Description
Bit 6
PC Card Power Active. When set to "1", this bit indicates that VPP1 and VPP2 are active. When set to
"0", this bit indicates that VPP1 and VPP2 are inactive.
Bit 5
Ready/
BUSY. When set to "1", this bit indicates that RDY/BSY is active (RDY/BSY="1"). When set to
"0", this bit indicates that RDY/
BSY is inactive (RDY/BSY="0").
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Memory Write Protect. When set to "1", this bit indicates that WP is active (WP="1"). When set to "0",
this bit indicates that WP is inactive (WP="0").
Card Detect 2. When set to "1", this bit indicates that
CD2 is active (CD2="0"). When set to "0", this
bit indicates that
CD2 is inactive (CD2="1").
Card Detect 1. When set to "1", this bit indicates that
CD1 is active (CD1="0"). When set to "0", this
bit indicates that
CD1 is inactive (CD1="1").
Battery Voltage Detect 2. When set to "1", this bit indicates that BVD2 is active (BVD2="1"). When set
to "0", this bit indicates that BVD2 is inactive (BVD2="0"). In the case of ID Card Mode, this bit indicates
the
SKPR status.
Battery Voltage Detect 1. When set to "1", this bit indicates that BVD1 is active (BVD1="1"). When set
to "0", this bit indicates that BVD1 is inactive (BVD1="0"). In the case of ID Card Mode, this bit indicates
the
STSCHG status.
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