REV. 1.2.2 4 RI0# 128 I UART channel 0 Ring Indicator or general purpose input (active l" />
參數(shù)資料
型號： XR17D158IV
廠商： Exar Corporation
文件頁數(shù)： 34/73頁
文件大?。?/td> 0K
描述： IC UART PCI BUS OCTAL 144LQFP
產(chǎn)品變化通告： Leaded UART, V&I Obsolescence 11/Apr/2011
標(biāo)準(zhǔn)包裝： 60
特點： *
通道數(shù)： 8
FIFO's： 64 字節(jié)
規(guī)程： RS485
電源電壓： 3.3V，5V
帶自動流量控制功能： 是
帶IrDA 編碼器/解碼器： 是
帶故障啟動位檢測功能： 是
帶調(diào)制解調(diào)器控制功能： 是
安裝類型： 表面貼裝
封裝/外殼： 144-LQFP
供應(yīng)商設(shè)備封裝： 144-LQFP（20x20）
包裝： 托盤
XR17D158
xr
UNIVERSAL (3.3V AND 5V) PCI BUS OCTAL UART
REV. 1.2.2
4
RI0#
128
I
UART channel 0 Ring Indicator or general purpose input (active low).
TX1
117
O
UART channel 1 Transmit Data or infrared transmit data. Normal TXD output
idles HIGH while infrared TXD output idles LOW.
RX1
124
I
UART channel 1 Receive Data or infrared receive data. Normal RXD input
idles HIGH. The infrared pulses typically idle LOW but can be inverted inter-
nally prior the decoder by FCTR[4].
RTS1#
119
O
UART channel 1 Request to Send or general purpose output (active low).
CTS1#
123
I
UART channel 1 Clear to Send or general purpose input (active low).
DTR1#
118
O
UART channel 1 Data Terminal Ready or general purpose output (active low).
DSR1#
122
I
UART channel 1 Data Set Ready or general purpose input (active low).
CD1#
121
I
UART channel 1
Carrier Detect or general purpose input (active low).
RI1#
120
I
UART channel 1 Ring Indicator or general purpose input (active low).
TX2
106
O
UART channel 2 Transmit Data or infrared transmit data. Normal TXD output
idles HIGH while infrared TXD output idles LOW.
RX2
99
I
UART channel 2 Receive Data or infrared receive data. Normal RXD input
idles HIGH. The infrared pulses typically idle LOW but can be inverted inter-
nally prior the decoder by FCTR[4].
RTS2#
104
O
UART channel 2 Request to Send or general purpose output (active low).
CTS2#
100
I
UART channel 2 Clear to Send or general purpose input (active low).
DTR2#
105
O
UART channel 2 Data Terminal Ready or general purpose output (active low).
DSR2#
101
I
UART channel 2 Data Set Ready or general purpose input (active low).
CD2#
102
I
UART channel 2
Carrier Detect or general purpose input (active low).
RI2#
103
I
UART channel 2 Ring Indicator or general purpose input (active low).
TX3
98
O
UART channel 3 Transmit Data or infrared transmit data. Normal TXD output
idles HIGH while infrared TXD output idles LOW.
RX3
91
I
UART channel 3 Receive Data or infrared receive data. Normal RXD input
idles HIGH. The infrared pulses typically idle LOW but can be inverted inter-
nally prior the decoder by FCTR[4].
RTS3#
96
O
UART channel 3 Request to Send or general purpose output (active low).
CTS3#
92
I
UART channel 3 Clear to Send or general purpose input (active low).d.
DTR3#
97
O
UART channel 3 Data Terminal Ready or general purpose output (active low).
DSR3#
93
I
UART channel 3 Data Set Ready or general purpose input (active low).
CD3#
94
I
UART channel 3
Carrier Detect or general purpose input (active low).
RI3#
95
I
UART channel 3 Ring Indicator or general purpose input (active low).
TX4
88
O
UART channel 4 Transmit Data or infrared transmit data. Normal TXD output
idles HIGH while infrared TXD output idles LOW.
RX4
81
I
UART channel 4 Receive Data or infrared receive data. Normal RXD input
idles HIGH. The infrared pulses typically idle LOW but can be inverted inter-
nally prior the decoder by FCTR[4].
PIN DESCRIPTIONS
NAME
PIN #TYPE
DESCRIPTION
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