UPSD3254 STMICROELECTRONICS [STMicroelectronics], UPSD3254 Datasheet - Page 70
UPSD3254
Manufacturer Part Number
UPSD3254
Description
Flash Programmable System Devices with 8032 Microcontroller Core
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.UPSD3254.pdf
(175 pages)
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UPSD3254A, UPSD3254BV, UPSD3253B, UPSD3253BV
Figure 34. Serial Port Mode 3, Waveforms
70/175
Sample Times
Write to SBUF
Bit Detector
Generator
Rx Clock
Tx Clock
Stop Bit
Send
Data
Shift
Shift
RxD
TxD
RI
TI
Start Bit
S1P1
Start Bit
÷16 Reset
D0
D0
D1
D1
D2
D2
D3
D3
D4
D4
D5
D5
D6
D6
D7
D7
RB8
TB8
Stop Bit
Stop Bit
AI06847
Transmit
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