参数资料
型号: XR88C92IV-F
厂商: Exar Corporation
文件页数: 29/32页
文件大小: 0K
描述: IC UART FIFO DUAL 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
XR88C92/192
6
Rev. 1.33
SYMBOL DESCRIPTION (* 44 pin LQFP)
IP3
3
41
I
Multi-purpose input or Channel A transmit external clock port
input. The transmit data is clocked on the falling edge of the
clock.
IP4
43
37
I
Multi-purpose input or Channel A receive external clock input.
The transmit data is clocked on the rising edge of the clock.
IP5
42
36
I
Multi-purpose input or Channel B Transmit external clock
input. The transmit data is clocked on the falling edge of the
clock.
IP6
41
35
I
Multi-purpose input or Channel B receive external clock input.
The transmit data is clocked on the rising edge of the clock.
-CS
39
33
I
Chip select (active low). A low at this pin enables the serial
port / CPU data transfer operation.
D0-D7
28,18
22,12
Bi-directional data bus. Eight bit, three state data bus to
27,19
21,13
I/O
transfer information to or from the CPU. D0 is the least
26,20
20,14
significant bit of the data bus and the first serial data bit to be
25,21
19,15
received or transmitted.
-IOW
9
3
I
Write strobe (active low). A low on this pin will transfer the
contents of the CPU data bus to the addressed register.
-IOR
10
4
I
Read strobe (active low). A low on this pin will transfer the
contents of the XR88C92/192 register to CPU data bus.
VCC
44
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
44*
type
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