UPSD3234A-40U6T STMicroelectronics, UPSD3234A-40U6T Datasheet - Page 183

• Manufacturer Part Number: UPSD3234A-40U6T
• Description: IC MCU 8032 64KB FLASH 80TQFP
• Manufacturer: STMicroelectronics
• Series: µPSDr

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: -

UPSD3234A, UPSD3234BV, UPSD3233B, UPSD3233BV
Figure 86. PSD module AC float I/O waveform
1. For timing purposes, a Port pin is considered to be no longer floating when a 100mV change from load
2. I
Figure 87. External clock cycle
Figure 88. Recommended oscillator circuits
1. C1, C2 = 30 pF ± 10 pF for crystals
2. For ceramic resonators, contact resonator manufacturer
3. Oscillation circuit is designed to be used either with a ceramic resonator or crystal oscillator. Since each
4. have their own characteristics, the user should consult the crystal manufacturer for appropriate values of
Figure 89. PSD module AC measurement I/O waveform
voltage occurs, and begins to float when a 100mV change from the loaded V
crystal and ceramic resonator
external components.
OL
and I
OH
≥ 20mA
0.2 V CC – 0.1V
V LOAD + 0.1V
V LOAD – 0.1V
3.0V
0V
Test Reference Points
Test Point
V OH – 0.1V
V OL + 0.1V
1.5V
AI03103b
AI06651
OH
DC and AC parameters
or V
OL
level occurs
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