UPSD3234A-40U6T STMicroelectronics, UPSD3234A-40U6T Datasheet - Page 74
UPSD3234A-40U6T
Manufacturer Part Number
UPSD3234A-40U6T
Description
IC MCU 8032 64KB FLASH 80TQFP
Manufacturer
STMicroelectronics
Series
µPSDr
Datasheet
1.UPSD3234A-40U6T.pdf
(189 pages)
Specifications of UPSD3234A-40U6T
Core Processor
8032
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, UART/USART, USB
Peripherals
LVR, POR, PWM, WDT
Number Of I /o
46
Program Memory Size
288KB (288K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 4x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-TQFP, 80-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Quantity
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Part Number:
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Standard serial interface (UART)
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Figure 28. Serial port Mode 1 block diagram
Figure 29. Serial port Mode 1 waveforms
SMOD
RCLK
TCLK
Sample Times
Write to SBUF
Overflow
Timer1
÷2
Bit Detector
Rx Clock
Tx Clock
0
Send
Data
Shift
Shift
RxD
TxD
1
T1
RI
0
0
1
1
Overflow
Timer2
RxD
SBUF
Write
to
Start Bit
S1P1
Start Bit
÷16 Reset
Transition
Detector
D0
D0
1-to-0
UPSD3234A, UPSD3234BV, UPSD3233B, UPSD3233BV
Sample
D1
D1
÷16
Interrupt
Serial
Port
D2
Rx Detector
D2
D
CL
TB8
S
Rx Clock
D3
D3
Tx Clock
Start
Start
SBUF
Read
Q
÷16
SBUF
Load
D4
D4
Zero Detector
Rx Control
Tx Control
Input Shift Register
D5
D5
Internal Bus
Internal Bus
TI
RI
SBUF
SBUF
1FFh
D6
D6
Shift
Load SBUF
D7
D7
Send
Data
Shift
Shift
Stop Bit
Stop Bit
AI06826
AI06843
Transmit
Receive
TxD
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