UPSD3422E-40U6 STMicroelectronics, UPSD3422E-40U6 Datasheet - Page 270

• Manufacturer Part Number: UPSD3422E-40U6
• Description: MCU 8BIT 8032 64KB FLASH 80TQFP
• Manufacturer: STMicroelectronics
• Series: µPSDr

Specifications of UPSD3422E-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: 80KB (80K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K 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: 497-5577 - BOARD EVAL USB POWER SWITCH497-5518 - EVAL BOARD RFID READER
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: 497-4903

DC and AC parameters
Note:
270/300
Table 209. AC signal behavior symbols for timing
Example: t
Figure 97. Switching waveforms – key
Letter
PW
H
V
X
Z
L
AVLX
t
= time from address valid to ALE invalid.
WAVEFORMS
Time
Logic level low or ALE
Logic level high
Valid
No longer a valid logic level
Float
Pulse width
UPSD3422, UPSD3433, UPSD3434, UPSD3454
STEADY INPUT
MAY CHANGE FROM
HI TO LO
MAY CHANGE FROM
LO TO HI
DON'T CARE
OUTPUTS ONLY
INPUTS
Meaning
STEADY OUTPUT
WILL BE CHANGING
FROM HI TO LO
WILL BE CHANGING
LO TO HI
CHANGING, STATE
UNKNOWN
CENTER LINE IS
TRI-STATE
OUTPUTS
AI03102