参数资料
型号: PC87393F-VJG
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 外设及接口
英文描述: 100-Pin LPC SuperI/O Devices for Portable Applications
中文描述: MULTIFUNCTION PERIPHERAL, PQFP100
封装: TQFP-100
文件页数: 113/148页
文件大小: 1733K
代理商: PC87393F-VJG
2.0 Device Architecture and Configuration (Continued)
67
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Type:
R/W
Bit
76543210
Name
User-
Defined I/O
Zone
Enable
TST
Address
Enable
RTC Address Enable
PM Address Enable
KBC Address Enable
Reset
00000000
Bit
Description
7
User-Dened I/O Zone Enable. This bit enables the mapping of the User-Dened I/O zone to the X-Bus space.
The zone base address and size are dened by the X-Bus I/O Base Address High Byte register, X-Bus I/O Base
Address Low Byte register and the X-Bus I/O Size Conguration register.
0: Disabled (default)
1: Enabled
6
TST (Debug Port) Address Enable. When set, enables the mapping of I/O address 80h to the X-Bus space.
0: Disabled (default)
1: Enabled
5-4
RTC Address Enable. This bit controls the mapping of the RTC I/O address to the X-Bus space.
Bits
Mapping (hex)
5 4
0 0
Disabled (default)
0 1
70, 71
1 0
370, 371
1 1
70, 71, 72, 73
3-2
PM Address Enable. This bit controls the mapping of the PM I/O address to the X-Bus space.
Bits
Mapping (hex)
3 2
0 0
Disabled (default)
0 1
62, 66
1 0
362, 366
1 1
Reserved
1-0
KBC Address Enable. This bit controls the mapping of the KBC I/O address to the X-Bus space.
Bits
Mapping (hex)
1 0
0 0
Disabled (default)
0 1
60, 64
1 0
360, 364
1 1
Reserved
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