參數(shù)資料
型號(hào): XR88C92IV-F
廠商: Exar Corporation
文件頁數(shù): 29/32頁
文件大?。?/td> 0K
描述: IC UART FIFO DUAL 44LQFP
標(biāo)準(zhǔn)包裝: 160
特點(diǎn): *
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(dòng)流量控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 44-LQFP
供應(yīng)商設(shè)備封裝: 44-LQFP(10x10)
包裝: 托盤
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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