UPSD3234A-40U6T STMicroelectronics, UPSD3234A-40U6T Datasheet - Page 52

• 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: -

I/O ports (MCU module)
7.1
52/189
Table 30.
Table 31.
Port type and description
Figure 16. Port type and description (Part 1)
0=Port 4.7
1=PWM 4
from I
1 = SCL
0 = Port
unit
3.7
7
7
2
C
WR, RD,ALE,
PSEN
XTAL1,
Symbol
RESET
XTAL2
PORT0
0=Port 4.6
1=PWM 3
P3SFS (93h)
P4SFS (94h)
1 = SDA
from I
0 = Port
unit
3.6
6
6
2
C
Out
In /
I/O
O
O
I
I
0=Port 4.5
1=PWM 2
5
5
UPSD3234A, UPSD3234BV, UPSD3233B, UPSD3233BV
0=Port 4.4
1=PWM 1
Circuit
4
4
NFC
0=Port 4.3
1=PWM 0
Bits are reserved
3
3
xon
• Schmitt input with internal pull-up
Output only
CMOS compatible interface
NFC : 400ns
On-chip oscillator
On-chip feedback resistor
Stop in the power down mode
External clock input available
CMOS compatible interface
Bidirectional I/O port
Schmitt input
Address Output ( Push-Pull )
CMOS compatible interface
0=Port 4.2
1=V
2
2
SYNC
Description
0=Port 4.1
1=DDC -
SCL
1
1
AI06653
0=Port 4.0
1=DDC -
SDA
0
0