UPSD3433EB40U6 STMicroelectronics, UPSD3433EB40U6 Datasheet - Page 107

• Manufacturer Part Number: UPSD3433EB40U6
• Description: MCU 8BIT 8032 128KB FLASH 80TQFP
• Manufacturer: STMicroelectronics
• Series: µPSDr

Specifications of UPSD3433EB40U6

• Core Processor: 8032
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, IrDA, SPI, UART/USART, USB
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 46
• Program Memory Size: 160KB (160K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• For Use With: 497-5518 - EVAL BOARD RFID READER497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: 497-5660

uPSD34xx
Figure 33. UART Mode 1, Block Diagram
Figure 34. UART Mode 1, Timing Diagram
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
RI
0
0
TI
1
1
Overflow
Timer2
RxD
SBUF
Pin
Write
to
Start Bit
Start Bit
Transition
Detector
D0
D0
1-to-0
Sample
D1
D1
÷16
Interrupt
Serial
Port
D2
D2
Rx Detector
D
CL
TB8
S
D3
Rx Clock
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
Serial UART interfaces
Send
Data
Shift
Stop Bit
Shift
Stop Bit
AI06843
107/293
AI06826
Transmit
Receive
TxD
Pin