參數(shù)資料
| 型號： | XR88C92IV-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 27/32頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC UART FIFO DUAL 44LQFP |
| 標準包裝： | 160 |
| 特點： | * |
| 通道數(shù)： | 2，DUART |
| FIFO's： | 16 字節(jié) |
| 電源電壓： | 2.97 V ~ 5.5 V |
| 帶自動流量控制功能： | 是 |
| 帶CMOS： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 44-LQFP |
| 供應商設備封裝： | 44-LQFP（10x10） |
| 包裝： | 托盤 |
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XR88C92/192
4
Rev. 1.33
SYMBOL DESCRIPTION (* 44 pin LQFP)
RXA,RXB
35,11
29,5
I
Serial data input. The serial information (data) received from
serial port to XR88C92/192 receive input circuit. A mark (high)
is logic one and a space (low) is logic zero.This input must
be held at logic one when idle and during power down.
TXA,TXB
33,13
28,6
O
Serial data output. The serial data is transmitted via this pin
with additional start , stop and parity bits. This output will be
held in mark (high) state during reset, local loop back mode
or when the transmitter is disabled.
RESET
38
32
I
Master Reset (active high). A high on this pin will reset all the
outputs and internal registers. The transmitter output and
the receiver input will be disabled during reset time.
OP0
32
27
O
Multi-purpose output. General purpose output or Channel A
Request-To-Send (-RTSA active low).
OP1
14
7
O
Multi-purpose output. General purpose output or Channel B
Request-To-Send (-RTSB active low).
OP2
31
26
O
Multi-purpose output. General purpose output or one of the
following functions can be selected for this output pin by
programming the Output Port Confiuration Register bits 1,0;
TxAClk1 -Transmit 1X clock.
TxAClk16 -Transmit 16X clock
RxAClk1 -Receive 1X clock
OP3
15
8
O
Multi-purpose output. General purpose output or one of the
following functions can be selected for this output pin by
programming the Output Port Confiuration Register bits 3,2;
C/T -Counter timer output (Open drain output)
TxBClk1 -Transmit 1X clock
RxBClk1 -Receive 1X clock
OP4
30
25
O
Multi-purpose output. General purpose output or one of the
following functions can be selected for this output pin by
programming the Output Port Confiuration Register bit 4;
-RxARDY -Receive ready signal (Open drain output)
-RxAFULL - Receive FIFO full signal (Open drain output)
Symbol
Pin
Signal
Pin Description
44
44*
type
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