参数资料
型号: XR88C681CP/40-F
厂商: Exar Corporation
文件页数: 82/101页
文件大小: 0K
描述: IC UART CMOS DUAL 40PDIP
标准包装: 9
特点: *
通道数: 2,DUART
FIFO's: 1 字节,3 字节
电源电压: 4.75 V ~ 5.25 V
带并行端口:
带CMOS:
安装类型: 通孔
封装/外壳: 40-DIP(0.600",15.24mm)
供应商设备封装: 40-PDIP
包装: 管件
其它名称: 1016-1328-5
XR88C681
81
Rev. 2.11
For Receiving Device
MR1A[7] = 1
For Transmitting Device
MR2B[7] = 1
Start
Assert RTSA
Write 01h to QUART Address 0Eh
(This invokes the “SET OUTPUT
PORT BITS COMMAND” and sets
the Output Port pin, OP0 to a logic
“0”.)
Is
FFULLA
Asserted?
No
RTSA is Automatically
Negated by Receiver
Controlled RTS Function.
Yes
Is
FFULLA
Negated?
No
Yes
Figure 43. A Flow Diagram Depicting an Algorithm That Could be Used to Apply
the Receiver-Controlled RTS/CTS Handshaking Mode
H.1.2 Transmitter-Controlled RTS/CTS Handshaking
In this mode, the Transmitter now has the ability to negate the RTS output (to the Receiving Device). Specifically, this
mode allows the Transmitter to negatye the RTS signal, one bit period after emptying the THR and TSR.
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