UPSD3422E-40U6 STMicroelectronics, UPSD3422E-40U6 Datasheet - Page 81

• 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

UPSD3422, UPSD3433, UPSD3434, UPSD3454
Figure 17. MCU I/O cell block diagram for port 3
Figure 18. MCU I/O cell block diagram for port 4
Table 35.
Table 36.
Digital_Alt_Func_Data_Out
Digital_Alt_Func_Data_Out
(for R-M-W instructions)
Bit 7
P1.7
(for R-M-W instructions)
Select_Alternate_Func
P4.X SFR Read Latch
Bit
Select_Alternate_Func
P3.X SFR Read Latch
7
6
5
4
3
P4.X SFR Read Pin
Digital_Pin_Data_In
P3.X SFR Read Pin
Digital_Pin_Data_In
Enable_Push_Pull
8032 Data Bus Bit
8032 Data Bus Bit
GPIO P4.X SFR
GPIO P3.X SFR
MCU_Reset
MCU_Reset
Write Latch
Enable_I
Write Latch
P1: I/O port 1 register (SFR 90h, reset value FFh)
P1 register bit definition
Symbol
Bit 6
P1.6
P1.7
P1.6
P1.5
P1.4
P1.3
2
C
D
D
For PCA Alternate Function
Disables High-Side Driver
Bit 5
P1.5
Latch
R/W
R,W
R,W
R,W
R,W
R,W
Latch
P3.X
SFR
P4.X
PRE
SFR
PRE
1 MCU_CLK
1 MCU_CLK
Q
Q
Q
Q
DELAY,
DELAY,
1 MCU_CLK
Port pin 1.7
Port pin 1.6
Port pin 1.5
Port pin 1.4
Port pin 1.3
1 MCU_CLK
IN 1
IN 0
DELAY,
IN 1
IN 0
DELAY,
Bit 4
P1.4
MUX
MUX
SEL
SEL
Y
Y
Bit 3
P1.3
Function
Bit 2
P1.2
V CC
V CC
HIGH
LOW
SIDE
SIDE
HIGH
SIDE
SIDE
LOW
PULL-UP, B
PULL-UP, B
I/O ports of mcu module
(1)
WEAK
WEAK
V CC
V CC
Bit 1
P1.1
V CC
V CC
STONGER
PULL-UP, A
STONGER
PULL-UP, A
P3.X Pin
AI09601
Bit 0
P1.0
P4.X Pin
AI09602
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