參數(shù)資料
型號(hào): MAX3109ETJ+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 40/66頁(yè)
文件大?。?/td> 0K
描述: IC UART
產(chǎn)品培訓(xùn)模塊: Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
系列: *
Dual Serial UART with 128-Word FIFOs
MAX3109
45
Maxim Integrated
XON1 Register
The XON1 and XON2 register contents define the XON character used for automatic XON/XOFF flow control and/or
the special characters used for special-character detection. See the FlowCtrl register description for more information.
Bits 7–0: Bitx
These bits define the XON1 character if single character XON auto software flow control is enabled in FlowCtrl[7:4]. If
double-character flow control is selected in FlowCtrl[7:4], these bits constitute the least significant byte of the 2-byte
XON character. If special character detection is enabled in MODE2[4] and auto flow control is not enabled, these bits
define a special character.
If both special character detection and auto software flow control are enabled, XON1 defines the XON flow control
character.
Table 3. SwFlow[3:0] Truth Table
X = Don’t care
ADDRESS:
0x14
MODE:
R/W
BIT
7
6
5
4
3
2
1
0
NAME
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
RESET
0
RECEIVE FLOW
CONTROL
TRANSMIT FLOW
CONTROL/SPECIAL
CHARACTER DETECTION
DESCRIPTION
SwFlow3
SwFlow2
SwFlow1
SwFlow0
0
No flow control/no special character detection.
0
X
No receive flow control.
1
0
X
Transmitter generates XON1, XOFF1.
0
1
X
Transmitter generates XON2, XOFF2.
1
X
Transmitter generates XON1, XON2, XOFF1, and XOFF2.
X
0
No transmit flow control.
X
1
0
Receiver compares XON1 and XOFF1 and controls the transmitter
accordingly.
XON1 and XOFF1 special character detection.
X
0
1
Receiver compares XON2 and XOFF2 and controls the transmitter
accordingly.
XON2 and XOFF2 special character detection.
X
1
Receiver compares XON1, XON2, XOFF1, and XOFF2 and controls
the transmitter accordingly. XON1, XON2, XOFF1, and XOFF2 special
character detection.
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