參數(shù)資料
型號: W83627SF
英文描述: W83627F plus Smart Card Reader Interface. VID Control. GP I/O?
中文描述: W83627F加上智能卡閱讀器接口。 VID控制。大獎賽的I / O?
文件頁數(shù): 127/147頁
文件大小: 1348K
代理商: W83627SF
W83627SF
PRELIMINARY
Publication Release Date: Nov. 2000
- 120 - Revision 0.60
CRF3 (MIDI FIFO Threshold register. Default 0x00)
Bit 7 - 6: MIDI FIFO Threshold.
BIT 7
BIT 6
0
0
0
1
1
0
1
1
Bit 5-0: Reserved
13.9 Logical Device 8 (GPIO Port 2)
CR30 (GP20-GP27 Default 0x00)
Bit 7 - 1
: Reserved.
Bit 0
= 1 Activate GPIO2.
= 0 GPIO2 is inactive.
note: bit 0 is initialized to power on setting value of pin 81 on the rising edge of PWROK.
CR60, CR 61 (Default 0x00, 0x00)
These two registers select GP2 I/O base address [0x100:0xFF8] on 1 byte boundary.
CRF0 (GP20-GP27 I/O selection register. Default 0xFF)
When set to a '1', respective GPIO port is programmed as an input port.
When set to a '0', respective GPIO port is programmed as an output port.
CRF1 (GP20-GP27 data register. Default 0x00)
If a port is programmed to be an output port, then its respective bit can be read/written.
If a port is programmed to be an input port, then its respective bit can only be read.
CRF2 (GP20-GP27 inversion register. Default 0x00)
When set to a '1', the incoming/outgoing port value is inverted.
When set to a '0', the incoming/outgoing port value is the same as in data register.
CRF3 (Default 0x00)
Bit 7 - 4
: These bits select IRQ resource for IRQIN1.
Bit 3 - 0
: These bits select IRQ resource for IRQIN0.
CRF4 (Reserved)
RX FIFO INTERRUPT ACTIVE LEVEL (BYTES)
01
04
08
14
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