UPSD3454E-40U6 STMicroelectronics, UPSD3454E-40U6 Datasheet - Page 36

• Manufacturer Part Number: UPSD3454E-40U6
• Description: MCU 8BIT 8032 256K FLASH 80-TQFP
• Manufacturer: STMicroelectronics
• Series: µPSDr

Specifications of UPSD3454E-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: 288KB (288K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K 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 READER
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

8032 MCU core performance enhancements
UPSD3422, UPSD3433, UPSD3434, UPSD3454
Figure 9.
UPSD34xx multi-cycle instructions compared to standard 8032
Three 2-byte, 2-cycle Instructions, uPSD34xx vs. Standard 8032
24 Clocks Total (4 clocks per cycle)
A1 A2
Inst A
B1 B2
Inst B
C1 C2
Inst C
uPSD34xx
1 Cycle
72 Clocks (12 clocks per cycle)
Std 8032
Byte 1
Byte 2
Process Inst A
Byte 1
Byte 2
Process Inst B
Byte 1
Byte 2
Process Inst C
1 Cycle
AI10412
36/300