參數(shù)資料
型號(hào): XR16L788IQ
廠商: EXAR CORP
元件分類: 微控制器/微處理器
英文描述: HIGH PERFORMANCE OCTAL UART
中文描述: 8 CHANNEL(S), 6.25M bps, SERIAL COMM CONTROLLER, PQFP100
封裝: 14 X 20 MM, 3 MM HEIGHT, PLASTIC, QFP-100
文件頁(yè)數(shù): 18/42頁(yè)
文件大?。?/td> 557K
代理商: XR16L788IQ
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XR16L788 OCTAL UART
REV. 1.1.4
18
.
T
ABLE
7: UART CHANNEL CONFIGURATION REGISTERS.
A
DDRESS
R
EGISTER
R
EAD
/W
RITE
C
OMMENTS
A3 A2 A1 A0
16550 C
OMPATIBLE
0 0 0 0
RHR - Receive Holding Reg
THR - Transmit Holding Register
DLL - Div Latch Low
DLM - Div Latch High
IER - Interrupt Enable Reg
ISR - Interrupt Status Reg
FCR - FIFO Control Reg
LCR - Line Control Reg
MCR - Modem Control Reg
LSR - Line Status Reg
reserved
MSR - Modem Status Reg
reserved
SPR - Scratch Pad Reg
Read-only
Write-only
Read/Write
Read/Write
Read/Write
Read-only
Write-only
Read/Write
Read/Write
Read-only
Write-only
Read-only
Write-only
Read/Write
LCR[7] = 0
0 0 0 0
0 0 0 1
0 0 0 1
0 0 1 0
LCR[7] = 1
LCR[7] = 1
LCR[7] = 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
E
NHANCED
R
EGISTER
1 0 0 0
1 0 0 1
1 0 1 0
FCTR
EFR - Enhanced Function Reg
TXCNT - Transmit FIFO Level Counter
TXTRG - Transmit FIFO Trigger Level
RXCNT - Receive FIFO Level Counter
RXTRG - Receive FIFO Trigger Level
Xoff-1 - Xoff Character 1
Xchar
Read/Write
Read/Write
Read-only
Write-only
Read-only
Write-only
Write-only
Read-only
1 0 1 1
1 1 0 0
Xon,Xoff Rcvd.
Flags
1 1 0 1
Xoff-2 - Xoff Character 2
reserved
Xon-1 - Xon Character 1
reserved
Xon-2 - Xon Character 2
reserved
Write-only
Read-only
Write-only
Read-only
Write-only
Read-only
1 1 1 0
1 1 1 1
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