TABLE 19: UART " />
參數(shù)資料
型號: XR16C854DCV-F
廠商: Exar Corporation
文件頁數(shù): 35/53頁
文件大?。?/td> 0K
描述: IC UART FIFO 128B QUAD 64LQFP
標(biāo)準(zhǔn)包裝: 160
特點(diǎn): *
通道數(shù): 4,QUART
FIFO's: 128 字節(jié)
規(guī)程: RS232,RS485
電源電壓: 2.97 V ~ 5.5 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: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-LQFP(10x10)
包裝: 托盤
XR16C854/854D
40
2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO
REV. 3.1.0
TABLE 19: UART RESET CONDITIONS FOR CHANNELS A-D
REGISTERS
RESET STATE
DLL
Bits 7-0 = 0xXX
DLM
Bits 7-0 = 0xXX
RHR
Bits 7-0 = 0xXX
THR
Bits 7-0 = 0xXX
IER
Bits 7-0 = 0x00
FCR
Bits 7-0 = 0x00
ISR
Bits 7-0 = 0x01
LCR
Bits 7-0 = 0x00
MCR
Bits 7-0 = 0x00
LSR
Bits 7-0 = 0x60
MSR
Bits 3-0 = Logic 0
Bits 7-4 = Logic levels of the inputs inverted
SPR
Bits 7-0 = 0xFF
EMSR
Bits 7-0 = 0x00
FLVL
Bits 7-0 = 0x00
TRG
Bits 7-0 = 0x00
FC
Bits 7-0 = 0x00
FCTR
Bits 7-0 = 0x00
EFR
Bits 7-0 = 0x00
XON1
Bits 7-0 = 0x00
XON2
Bits 7-0 = 0x00
XOFF1
Bits 7-0 = 0x00
XOFF2
Bits 7-0 = 0x00
FSTAT
Bits 7-0 = 0xFF
I/O SIGNALS
RESET STATE
TX
Logic 1
IRTX
Logic 0
RTS#
Logic 1
DTR#
Logic 1
RXRDY#
Logic 1
TXRDY#
Logic 0
INT
XR16C854 = Three-State Condition
XR16C854D = Logic 0
IRQ#
Logic 1 (68 mode, INTSEL = 0)
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