參數(shù)資料
型號: XR16L2552IJ-F
廠商: Exar Corporation
文件頁數(shù): 14/45頁
文件大?。?/td> 0K
描述: IC UART FIFO 16B DUAL 44PLCC
標準包裝: 27
特點: *
通道數(shù): 2,DUART
FIFO's: 16 字節(jié)
規(guī)程: RS232
電源電壓: 2.25 V ~ 5.5 V
帶自動流量控制功能:
帶IrDA 編碼器/解碼器:
帶故障啟動位檢測功能:
帶調(diào)制解調(diào)器控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 44-LCC(J 形引線)
供應商設備封裝: 44-PLCC(16.59x16.59)
包裝: 管件
XR16L2552
21
REV. 1.1.2
2.25V TO 5.5V DUART WITH 16-BYTE FIFO
3.0
UART INTERNAL REGISTERS
Each of the UART channel in the L2552 has its own set of configuration registers selected by address lines A0,
A1 and A2 with CS# and CHSEL selecting the channel. The registers are 16C550 compatible. The complete
register set is shown in Table 7 and Table 8.
TABLE 7: UART CHANNEL A AND B UART INTERNAL REGISTERS
A2,A1,A0 ADDRESSES
REGISTER
READ/WRITE
COMMENTS
16C550 COMPATIBLE REGISTERS
0
0 0
RHR - Receive Holding Register
THR - Transmit Holding Register
Read-only
Write-only
LCR[7] = 0
0
0 0
DLL - Div Latch Low Byte
Read/Write
LCR[7] = 1, LCR
≠ 0xBF
0
0 1
DLM - Div Latch High Byte
Read/Write
0
1 0
AFR - Alternate Function Register
Read/Write
0
0 0
DREV - Device Revision
Read/Write
LCR[7] = 1, LCR
≠ 0xBF,
DLL = 0x00, DLM = 0x00
0
0 1
DVID - Device ID
Read/Write
0
0 1
IER - Interrupt Enable Register
Read/Write
LCR[7] = 0
0
1 0
ISR - Interrupt Status Register
FCR - FIFO Control Register
Read-only
Write-only
0
1 1
LCR - Line Control Register
Read/Write
1
0 0
MCR - Modem Control Register
Read/Write
LCR
≠ 0xBF
1
0 1
LSR - Line Status Register
Reserved
Read-only
Write-only
1
1 0
MSR - Modem Status Register
Reserved
Read-only
Write-only
1
1 1
SPR - Scratch Pad Register
Read/Write
ENHANCED REGISTERS
0
1 0
EFR - Enhanced Function Register
Read/Write
LCR = 0xBF
1
0 0
Xon-1 - Xon Character 1
Read/Write
1
0 1
Xon-2 - Xon Character 2
Read/Write
1
1 0
Xoff-1 - Xoff Character 1
Read/Write
1
1 1
Xoff-2 - Xoff Character 2
Read/Write
相關(guān)PDF資料
PDF描述
XR16L2750IJ-F IC UART FIFO 64B DUAL 44PLCC
XR16L2751CMTR-F IC UART FIFO 64B DUAL 48TQFP
XR16L2752CJ-F IC UART FIFO 64B DUAL 44PLCC
XR16L570IL24-F IC UART FIFO 16B 24QFN
XR16L580IM-F IC UART FIFO 16B 48TQFP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR16L2552IJTR 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
XR16L2552IJTR-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
XR16L2552IM 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
XR16L2552IM-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
XR16L2552IMTR-F 制造商:Exar Corporation 功能描述:UART 2-CH 16Byte FIFO 2.5V/3.3V/5V 48-Pin TQFP T/R 制造商:Exar Corporation 功能描述:XR16L2552IMTR-F