參數(shù)資料
型號(hào): XR16M680IL32-F
廠商: Exar Corporation
文件頁(yè)數(shù): 18/57頁(yè)
文件大?。?/td> 0K
描述: IC UART FIFO 32B 32QFN
標(biāo)準(zhǔn)包裝: 490
特點(diǎn): *
通道數(shù): 1,UART
FIFO's: 32 字節(jié)
規(guī)程: RS232,RS422,RS485
電源電壓: 1.62 V ~ 3.63 V
帶自動(dòng)流量控制功能:
帶IrDA 編碼器/解碼器:
帶故障啟動(dòng)位檢測(cè)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: 32-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 32-QFN 裸露焊盤(5x5)
包裝: 托盤
XR16M680
25
REV. 1.0.0
1.62V TO 3.63V HIGH PERFORMANCE UART WITH 32-BYTE FIFO
3.0
UART INTERNAL REGISTERS
The complete register set for the M680 is shown in Table 6 and Table 7.
TABLE 6: UART INTERNAL REGISTERS
A2 A1 A0
ADDRESSES
REGISTER
READ/WRITE
COMMENTS
16C550 COMPATIBLE REGISTERS
0
0 0
DREV - Device Revision
Read-only
LCR[7] = 1, LCR
≠ 0xBF,
DLL = 0x00, DLM = 0x00
0
0 1
DVID - Device Identification Register
Read-only
0
0 0
DLL - Divisor LSB Register
Read/Write
LCR[7] = 1, LCR
≠ 0xBF
See DLD[7:6]
0
0 1
DLM - Divisor MSB Register
Read/Write
0
1 0
DLD - Divisor Fractional Register
Read/Write
LCR[7] = 1, LCR
≠ 0xBF,
EFR[4] = 1
0
0 0
RHR - Receive Holding Register
THR - Transmit Holding Register
Read-only
Write-only
LCR[7] = 0
0
0 1
IER - Interrupt Enable Register
Read/Write
0
1 0
ISR - Interrupt Status Register
FCR - FIFO Control Register
Read-only
Write-only
LCR[7] = 0 if EFR[4] = 1
or
LCR
≠ 0xBF if EFR[4] = 0
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
Read-only
1
1 0
MSR - Modem Status Register
Read-only
1
1 0
MSR - Modem Status Register
Write-only
LCR
≠ 0xBF
EFR[4] = 1
1
1 1
SPR - Scratch Pad Register
Read/Write
LCR
≠ 0xBF, FCTR[6] = 0
1
1 1
EMSR - Enhanced Mode Select Register
Write-only
LCR
≠ 0xBF, FCTR[6] = 1
1
1 1
FC - RX/TX FIFO Level Counter Register
Read-only
ENHANCED REGISTERS
0
0 0
FC - RX/TX FIFO Level Counter Register
Read-only
LCR = 0xBF
0
0 1
FCTR - Feature Control Register
Read/Write
0
1 0
EFR - Enhanced Function Reg
Read/Write
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
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