UPSD3454E-40U6 STMicroelectronics, UPSD3454E-40U6 Datasheet - Page 160
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UPSD3454E-40U6
Manufacturer Part Number
UPSD3454E-40U6
Description
MCU 8BIT 8032 256K FLASH 80-TQFP
Manufacturer
STMicroelectronics
Series
µPSDr
Datasheet
1.UPSD3422EV-40U6.pdf
(300 pages)
Specifications of UPSD3454E-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
288KB (288K x 8)
Program Memory Type
FLASH
Ram Size
32K 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 READER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Quantity
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USB interface
25.3.6
25.4
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Accessing the setup command buffer
Setup Packets are sent from the host to a device’s Endpoint0 and consist of 8 bytes of
command data. When the SIE receives a Setup packet from the host, it stores the 8 bytes of
data in the Command Buffer. The command buffer is accessed via the indexed USB Setup
Command Value register (USCV). The USB Setup Command Index register (USCI) is used
to select the byte from the command buffer that is read when accessing the USCV register.
USB registers
The USB module is controlled via registers mapped into the SFR space. The USB SFRs
consist of the following:
●
●
●
●
●
●
●
●
●
●
●
●
The memory map for the USB SFRs, the individual bit names, and the reset values are
shown in
Table 99.
(hex)
addr
SFR
E2
E3
E4
E5
E6
E7
UADDR: USB device address
UPAIR: USB FIFO pairing control
UIE0~3: USB interrupt enable
UIF0~3: USB interrupt flags
UCTL: USB control
USTA: USB status
USEL: USB endpoint and direction select
UCON: USB selected FIFO control register
USIZE: USB selected FIFO size register
UBASE: USB base address register
USCI: USB setup command index
USCV: USB setup command value
UADDR
name
UPAIR
SFR
UIE0
UIE1
UIE2
UIE3
Table
UPSD34xx USB SFR register map
99.
7
–
–
–
–
–
–
6
–
–
–
–
–
5
–
–
–
–
–
Bit name and <bit address>
OUT4IE
NAK4IE
IN4IE
4
–
–
OUT3IE
NAK3IE
PR3OU
RSTIE
USBADDR[6:0]
IN3IE
3
T
UPSD3422, UPSD3433, UPSD3434, UPSD3454
SUSPNDIE
PR1OUT
OUT2IE
NAK2IE
(1)
IN2IE
2
OUT1IE
NAK1IE
EOPIE
PR3IN
IN1IE
1
RESUMIE
OUT0IE
NAK0IE
PR1IN
IN0IE
0
Reset
value
(hex)
00
00
00
00
00
00
FIFO Interrupt
Comment
USB Address
USB IN FIFO
USB IN FIFO
USB Pairing
USB Global
USB OUT
Interrupt
Interrupt
NAK Int.
Control
Enable
Enable
Enable
Enable
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