參數(shù)資料
型號: 37C672
廠商: SMSC Corporation
英文描述: ENHANCED SUPER I/O CONTROLLER WITH FAST IR
中文描述: 增強的超級I / O控制器,快速紅外線
文件頁數(shù): 172/173頁
文件大?。?/td> 965K
代理商: 37C672
APPLICATION
2.3 Serial I/O
2-41
3802 GROUP USER’S MANUAL
Figure 2.3.28 shows a setting of serial I/O2 related registers, and Figure 2.3.29 shows a setting of
serial I/O2 transmission data.
Serial I/O2 port selection bit : Use the Serial I/O2
SRDY2
output enable bit : Not use the SRDY2 signal output function
0
Serial I/O2 interrupt enable bit : Interrupt disabled
ICON2
Interrupt control register 2 (Address : 3F16)
Serial I/O2 interrupt request bit
Using this bit, check the completion of
transmitting 1-byte base data.
“1” : Transmit completion
IREQ2
Interrupt request register 2 (Address : 3D16)
01
0
SIO2CON
Serial I/O2 control register (Address : 1D16)
0
11
Internal synchronous clock selection bits : f(XIN)/32
Transfer direction selection bit : LSB first
Serial I/O2 synchronous clock selection bit : Internal clock
0
P51/SOUT2 P-channel output disable bit : CMOS output
b7
b0
0
b7
b0
b7
b0
Fig. 2.3.28 Setting of serial I/O2 related registers [Output of serial data]
Fig. 2.3.29 Setting of serial I/O2 transmission data [Output of serial data]
Set a transmission data.
Check that transmission of the previous data is
completed before writing data (bit 2 of the Interrupt
request register 2 is set to “1”).
SIO2
Serial I/O2 register (Address : 1F16)
b7
b0
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