參數(shù)資料
型號: 37C669
廠商: SMSC Corporation
英文描述: DIODE SCHOTTKY SINGLE 25V 200mW 0.5V-vf 200mA-IFM 30mA-IF 2uA-IR SOD-323 3K/REEL
中文描述: 電腦98/99順從超級I / O軟盤控制器與紅外線支持
文件頁數(shù): 33/164頁
文件大?。?/td> 621K
代理商: 37C669
128
CR0C
This register can only be accessed in the
Configuration Mode and after the CSR has been
initialized to 0CH.
The default value of this
register after power up is 00H.
This register
controls the operating mode of the UART. This
register is reset to the default state by a POR or
a hardware reset.
Table 56 - CR0C
BIT NO.
BIT NAME
DESCRIPTION
0
UART 2 RCV
Polarity
1 = RX input inverted.
0 = RX input non - inverted (default).
1
UART 2 XMIT
Polarity
1 = TX output inverted.
0 = TX output non - inverted (default).
2
UART 2 Duplex This bit is used to define the FULL/HALF
DUPLEX operation of UART 2.
1 = Half duplex
0 = Full duplex (default)
3, 4, 5
UART 2 MODE UART 2 Mode
5 4 3
0 0 0Standard (default)
0 0 1IrDA (HPSIR)
0 1 0Amplitude Shift Keyed IR @ 500Khz
0 1 1Reserved
1 x xReserved
6
UART 1 Speed This bit enables the high speed mode of UART
1 = High speed enabled
0 = Standard (default)
7
UART Speed
This bit enables the high speed mode of UART
1 = High speed enabled
0 = Standard (default)
CR0D
This register can only be accessed in the
Configuration Mode and after the CSR has been
initialized to 0DH.
This register is read only.
This is the Device ID. The default value of this
register after power up is 03H.
CR0E
This register can only be accessed in the
Configuration Mode and after the CSR has been
initialized to 0EH. This register is read only. The
default value of this register after power up is
02H. This is used to identify the chip revision
level.
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