參數(shù)資料
型號(hào): IT8710F
英文描述: 100-pin LPC I/O Programming Guide v0.1 | PC Product Line
中文描述: 100針LPC I / O編程指南v0.1 |個(gè)人電腦產(chǎn)品線
文件頁(yè)數(shù): 14/30頁(yè)
文件大?。?/td> 311K
代理商: IT8710F
4.4
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IT8710F Programming Guide
Serial Port 2 (LDN=02h)
Table 4-3. Serial Port 2 Configuration Registers
Default
00h
Serial Port 2 Activate
02h
Serial Port 2 Base Address MSB Register
F8h
Serial Port 2 Base Address LSB Register
03h
Serial Port 2 Interrupt Level Select
00h
Serial Port 2 Special Configuration Register 1
50h
Serial Port 2 Special Configuration Register 2
00h
Serial Port 2 Special Configuration Register 3
LDN
02h
02h
02h
02h
02h
02h
02h
Index
30h
60h
61h
70h
F0h
F1h
F2h
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Configuration Register or Action
02h
F3h
R/W
7Fh
Serial Port 2 Special Configuration Register 4
4.4.1
4.4.1.1 Serial Port 2 Base Address MSB Register (Index=60h, Default=02h)
Bit
7-4
Read only
with “0h” for Base Addresses [15:12].
3-0
Read/write
, mapped as Base Addresses [11:8].
4.4.1.2 Serial Port 2 Base Address LSB Register (Index=61h, Default=F8h)
Bit
7-3
Read/write
, mapped as Base Addresses [7:3].
2-0
Read only
as “000b.”
Serial Port 2 Configuration Registers (LDN=02h)
Description
Description
4.4.1.3 Serial Port 2 Interrupt Level Select (Index=70h, Default=03h)
Bit
7-4 Reserved with default “0h.”
3-0 Select the interrupt level
Note1
for Serial Port 2.
Description
Note 1
: Interrupt level mapping
Fh-Dh: not valid
Ch: IRQ12
.
.
3h: IRQ3
2h: not valid
1h: IRQ1
0h: no interrupt selected
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