UPSD3433E-40U6 STMicroelectronics, UPSD3433E-40U6 Datasheet - Page 117

• Manufacturer Part Number: UPSD3433E-40U6
• Description: MCU 8BIT 8032 128KB FLASH 80TQFP
• Manufacturer: STMicroelectronics
• Series: µPSDr

Specifications of UPSD3433E-40U6

• 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 READER497-5218 - KIT DEVELOPMENT FOR UPSD3400497-2381 - CABLE PROGRAMMER FLASH LINK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: 497-4907

UPSD3422, UPSD3433, UPSD3434, UPSD3454
Figure 34. UART mode 2, block diagram
Figure 35. UART mode 2, timing diagram
SMOD
f OSC /32
Sample Times
Write to SBUF
÷2
Bit Detector
Generator
Rx Clock
Tx Clock
0
Stop Bit
Send
Data
Shift
RxD
Shift
1
TxD
RI
TI
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
D5
D5
Input shift register
Internal bus
Internal bus
TI
RI
SBUF
SBUF
1FFh
D6
D6
Shift
Load SBUF
D7
D7
Serial UART interfaces
Send
Data
Shift
Shift
RB8
TB8
Stop Bit
Stop Bit
AI06845
117/300
AI06844
Transmit
Receive
TxD
pin