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參數(shù)資料
型號: W83877AF
廠商: WINBOND ELECTRONICS CORP
元件分類: 外設及接口
英文描述: Multi-Function I/O Port Controller(多功能輸入/輸出口控制器)
中文描述: MULTIFUNCTION PERIPHERAL, PQFP100
封裝: QFP-100
文件頁數(shù): 74/171頁
文件大小: 1634K
代理商: W83877AF
W83877AF
Publication Release Date: Sep. 1996
Preliminary Version 0.50
- 72 -
4.3.7.4 Set5.Reg4 - Infrared Config Register 1 (IRCFG1)
Reg.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
IRCFG1
-
FSF_TH
FEND_M
AUX_RX
-
-
IRHSSL
IR_FULL
Reset Value
0
0
0
0
0
0
0
0
Bit 7:
Bit 6:
Reserved
, write 0.
FSF_TH - Frame Status FIFO Threshold
Set this bit to determine the frame status FIFO threshold level and to generate the
FSF_I. The threshold level values are defined as follows.
FSF_TH
Status FIFO Threshold Level
0
2
1
4
Bit 5:
FEND_MD - Frame End mode
Write to 1 then enable hardware automatically to split same length frame defined
Set4.Reg4 and Set4.Reg5, i.e., TFRLL/TFRLH.
Bit 4:
AUX_RX - Auxiliary Receiver Pin
Write to 1, select IRRX input pin. (Refer to Set7.Reg7.Bit5)
Bit 3~2:
Bit 1:
Reserved
, write 0.
IRHSSL - Infrared Handshake Status Select
Write to 0, then the HSR (Handshake Status Register) is normal operation as same as
UART. Write to 1, then HSR will be disable, and read HSR will return 30
16
.
IR_FULL - Infrared Full Duplex Operation
Write to 0, then IR function is operated in half duplex. Write to 1, then IR function is
operated in full duplex.
Bit 0:
4.3.7.5 Set5.Reg5 - Frame Status FIFO Register (FS_FO)
This register are indicated the FIFO bottom of frame status.
Reg.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
FS_FO
FSFDR
LST_FR
-
MX_LEX PHY_ERR CRC_ERR
RX_OV
FSF_OV
Reset Value
0
0
0
0
0
0
0
0
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