参数资料
型号: XR68C92IV-F
厂商: Exar Corporation
文件页数: 30/33页
文件大小: 0K
描述: DUAL CHANNEL UART 44LQFP
标准包装: 160
特点: *
通道数: 2,DUART
FIFO's: 16 字节
电源电压: 2.97 V ~ 5.5 V
带自动流量控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 44-LQFP
供应商设备封装: 44-LQFP(10x10)
包装: 托盘
XR68C92/192
6
Rev. 1.33
SYMBOL DESCRIPTION (* 44 pin LQFP)
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
13
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
27
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)
OP5
16
14
9
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 5;
-RxBRDY - Receive ready signal (Open drain output)
-RxBFULL - Receive FIFO full signal (Open drain output)
OP6
29
26
24
O
Multi-purpose output. General purpose output or Transmit A
holding register empty interrupt (-TxARDY Open drain out-
put).
OP7
17
15
10
O
Multi-purpose output. General purpose output or Transmit B
holding register empty interrupt (-TxBRDY Open drain out-
put)
GND
22
20
16,17
Pwr
Signal and power ground.
VCC
44
40
38,39
Pwr
Power supply input, 2.97V to 5.5V.
N.C.
1,12
-
11,23
No Connection.
23,34
Symbol
Pin
Signal
Pin Description
44
40
44*
type
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