UPSD3422EV-40U6 STMicroelectronics, UPSD3422EV-40U6 Datasheet - Page 22

• Manufacturer Part Number: UPSD3422EV-40U6
• Description: MCU 8BIT 8032 64KB FLASH 80TQFP
• Manufacturer: STMicroelectronics
• Series: µPSDr

Specifications of UPSD3422EV-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 ~ 3.6 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: 497-4905

Pin descriptions
2
22/300
Pin descriptions
Figure 2.
1. For 5 V applications, V
2. These signals can be used on one of two different ports (Port 1 or Port 4) for flexibility. Default is Port1.
3. AV
PD1/CLKIN
connected to a 3.3 V source.
the 52-pin package.
JTAG TDO
JTAG TMS
JTAG TCK
JTAG TDI
3.3 V V
REF
DEBUG
V
USB+
USB–
GND
DD
PC7
PC2
and 3.3 V AV
CC
(1)
LQFP52 connections
1
2
3
4
5
6
7
8
9
10
11
12
13
CC
DD
are shared in the 52-pin package only. ADC channels must use 3.3 V as AV
must be connected to a 5.0 V source. For 3.3 V applications, V
UPSD3422, UPSD3433, UPSD3434, UPSD3454
39 P1.5/SPIRXD
38 P1.4/SPICLK
37 P1.3/TXD1(IrDA)
36 P1.2/RXD1(IrDA)
35 P1.1/T2X
34 P1.0/T2
33 V
32 XTAL2
31 XTAL1
30 P3.7/SCL
29 P3.6/SDA
28 P3.5/C1
27 P3.4/C0
DD
(1)
DD
(2)
(2)
must be
/ADC0
/ADC1
(2)
(2)
/ADC4
/ADC5
(2)
REF
(2)
AI09696c
/ADC3
/ADC2
for