UPSD3433EB40U6 STMicroelectronics, UPSD3433EB40U6 Datasheet - Page 158

• Manufacturer Part Number: UPSD3433EB40U6
• Description: MCU 8BIT 8032 128KB FLASH 80TQFP
• Manufacturer: STMicroelectronics
• Series: µPSDr

Specifications of UPSD3433EB40U6

• 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: 160KB (160K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K 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: 497-5518 - EVAL BOARD RFID READER497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: 497-5660

USB interface
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Table 75.
Bit 7
Bit
USB IN FIFO NAK Interrupt Enable Register (UIE3)
When an endpoint’s IN FIFO is empty and an IN transaction to that endpoint has been
received, the SIE sends a NAK handshake token since there is no data ready for it to
send.
The UIE3 register (see
Interrupt.
–
7
6
5
4
3
2
1
0
USB IN FIFO NAK interrupt enable register (UIE3 0E7h, reset value 00h)
Symbol
NAK4IE
NAK3IE
NAK2IE
NAK1IE
NAK0IE
Bit 6
–
–
–
–
Bit 5
R/W
R/W
R/W
R/W
R/W
R/W
–
–
–
–
Table
75) is used to enable each endpoint’s IN FIFO NAK
Reserved
Reserved
Reserved
Enable Endpoint 4 IN FIFO NAK interrupt
Enable Endpoint 3 IN FIFO NAK interrupt
Enable Endpoint 2 IN FIFO NAK interrupt
Enable Endpoint 1 IN FIFO NAK interrupt
Enable Endpoint 0 IN FIFO NAK interrupt
NAK4IE
Bit 4
NAK3IE
Bit 3
Definition
NAK2IE
Bit 2
NAK1IE
Bit 1
uPSD34xx
NAK0IE
Bit 0