UPSD3234A-40U6T STMicroelectronics, UPSD3234A-40U6T Datasheet - Page 162

• 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: -

DC and AC parameters
162/189
Table 116. AC signal behavior symbols for timing
1. Example: t
Figure 72. Switching waveforms – key
Table 117. Major parameters
Operating voltage
Operating temperature
MCU frequency
12 MHz (min) for USB;
8 MHz (min) for I
Active current, typical
(25°C operation; 80% Flash
and 15% SRAM accesses,
45 PLD product terms used;
PLD Turbo mode Off)
Idle current, typical
(CPU halted but some
peripherals active; 25°C
operation; 45 PLD product
terms used; PLD Turbo
mode Off)
Parameters/conditions/
comments
PW
H
V
X
Z
L
t
AVLX
2
= Time from Address Valid to ALE Invalid.
C
Time
Logic Level Low or ALE
Logic Level High
Valid
No Longer a Valid Logic Level
Float
Pulse Width
WAVEFORMS
frequency, 4 MHz
clock, 12 MHz
clock, 12 MHz
24 MHz MCU
24 MHz MCU
conditions
PLD input
PLD input
frequency
5 V test
UPSD3234A, UPSD3234BV, UPSD3233B, UPSD3233BV
ALE
–
–
–
STEADY INPUT
MAY CHANGE FROM
HI TO LO
MAY CHANGE FROM
LO TO HI
DON'T CARE
OUTPUTS ONLY
INPUTS
5.0 V value
4.5 to 5.5
–40 to 85
1 Min, 40
Max
72
25
12 MHz MCU
12 MHz MCU
STEADY OUTPUT
WILL BE CHANGING
FROM HI TO LO
WILL BE CHANGING
LO TO HI
CHANGING, STATE
UNKNOWN
CENTER LINE IS
TRI-STATE
OUTPUTS
clock, 6 MHz
clock, 1 MHz
conditions
2 MHz ALE
frequency,
3.3 V test
PLD input
PLD input
frequency
–
–
–
AI03102
3.0 to 3.6
–40 to 85
1 Min, 24
value
3.3 V
Max
21
7
MHz
Unit
mA
mA
°C
V