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參數(shù)資料
| 型號： | XR19L402IL48-0B-EB |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 24/49頁 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR XR19L402-B 48QFN |
| 標準包裝： | 1 |
| 系列： | * |
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XR19L402
30
TWO CHANNEL INTEGRATED UART AND RS-485 TRANSCEIVER
REV. 1.0.3
LCR[2]: TX and RX Stop-bit Length Select
The length of stop bit is specified by this bit in conjunction with the programmed word length.
WORD
LENGTH
STOP BIT LENGTH
(BIT TIME(S))
0
5,6,7,8
1 (default)
1
5
1-1/2
1
6,7,8
2
LCR[3]: TX and RX Parity Select
Parity or no parity can be selected via this bit. The parity bit is a simple way used in communications for data
integrity check. See Table 11 for parity selection summary below.
Logic 0 = No parity.
Logic 1 = A parity bit is generated during the transmission while the receiver checks for parity error of the
data character received.
LCR[4]: TX and RX Parity Select
If the parity bit is enabled with LCR bit-3 set to a logic 1, LCR bit-4 selects the even or odd parity format.
Logic 0 = ODD Parity is generated by forcing an odd number of logic 1’s in the transmitted character. The
receiver must be programmed to check the same format (default).
Logic 1 = EVEN Parity is generated by forcing an even number of logic 1’s in the transmitted character. The
receiver must be programmed to check the same format.
LCR[5]: TX and RX Parity Select
If the parity bit is enabled, LCR BIT-5 selects the forced parity format.
LCR BIT-5 = logic 0, parity is not forced (default).
LCR BIT-5 = logic 1 and LCR BIT-4 = logic 0, parity bit is forced to a logical 1 for the transmit and receive
data.
LCR BIT-5 = logic 1 and LCR BIT-4 = logic 1, parity bit is forced to a logical 0 for the transmit and receive
data.
TABLE 11: PARITY SELECTION
LCR BIT-5 LCR BIT-4 LCR BIT-3
PARITY SELECTION
X
0
No parity
0
1
Odd parity
0
1
Even parity
1
0
1
Force parity to mark, “1”
1
Forced parity to space, “0”
BIT-2
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| XR19L402IL48-F | 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| XR1AEX2NV1XX | 制造商:Eaton Corporation 功能描述:SWITCH, ROCKER, SPST, 18A, 125VAC, BLACK, Contact Configuration:SPST, Switch Ope 制造商:Eaton Corporation 功能描述:SWITCH, ROCKER, SPST, 18A, 125VAC, BLACK, Contact Configuration:SPST, Switch Operation:Off-On, Contact Current Max:18A, Contact Voltage AC Nom:125V, Switch Mounting:Panel, Actuator / Cap Color:Red, Illumination Color:Red , RoHS Compliant: Yes |
| XR1AEX3NV1XX | 制造商:Eaton Corporation 功能描述:SWITCH, ROCKER, SPST, 18A, 125VAC, BLACK, Contact Configuration:SPST, Switch Ope |
| XR1AEX4NV1XX | 制造商:Eaton Corporation 功能描述:SWITCH, ROCKER, SPST, 18A, 125VAC, BLACK, Contact Configuration:SPST, Switch Operation:Off-On, Contact Current Max:18A, Contact Voltage AC Nom:125V, Switch Mounting:Panel, Actuator / Cap Color:Amber, Illumination Color:Amber , RoHS Compliant: Yes |
| XR1BG33NV1XX | 制造商:Eaton Corporation 功能描述:SWITCH, ROCKER, SPDT, 18A, 125VAC, BLACK, Contact Configuration:SPDT, Switch Ope |
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