UPSD3454E-40U6 STMicroelectronics, UPSD3454E-40U6 Datasheet - Page 166
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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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USB interface
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Table 112. USB global interrupt flag register (UIF0 0E8h, reset value 00h)
Table 113. UIF0 register bit definition
Bit 7
Bit
GLF
7
6
5
4
3
2
1
0
USB global interrupt flag register (UIF0)
There are many different events that generate a USB interrupt requiring a number of
registers to indicate the cause of the interrupt. To more efficiently identify the cause of
the interrupt, the USB global interrupt flag register (see
interrupt that occurred. Once the type of interrupt is identified, the associated interrupt
flag register may be read to determine the exact cause of the interrupt.
SUSPENDF
RESUMEF
Symbol
OUTF
NAKF
EOPF
RSTF
Bit 6
GLF
INF
INF
OUTF
Bit 5
R/W
R/W
R/W
R/W
R/W
R
R
R
R
Global Interrupt flag
Logical OR of the RSTF, SUSPENDF, EOPF, and RESUMF
interrupt flags
IN FIFO Interrupt flag
Logical OR of the IN4F, IN3F, IN2F, IN1F, and IN0F interrupt
flags
OUT FIFO Interrupt flag
Logical OR of the OUT4F, OUT3F, OUT2F, OUT1F, and OUT0F
interrupt flags
NAK FIFO Interrupt flag
Logical OR of the NAK4F, NAK3F, NAK2F, NAK1F, and NAK0F
interrupt flags
USB Reset flag
This bit is set when a USB Reset is detected on the D+ and D-
lines.
Note: A USB Reset does not reset the MCU nor the USB
module. Firmware should disable/enable the USB SIE using
the USEN bit in the UCTL register and initialize all USB related
registers as appropriate.
USB suspend mode flag
This bit is set when the SIE detects 3ms of no activity on the
bus and the clock to the SIE is also shut down to conserve
power. Clearing this bit turns the SIE clock on.
End of Packet flag
This bit is set when a valid End of Packet sequence is detected
on the D+ and D– line.
Resume flag
This bit is set when USB bus activity is detected while the
SUSPNDF Bit is set. When a Resume is detected, the
SUSPENDF bit must be cleared (if set) to turn the SIE clock on.
NAKF
Bit 4
UPSD3422, UPSD3433, UPSD3434, UPSD3454
RSTF
Bit 3
SUSPENDF
Definition
Bit 2
Table
112) indicates the type of
EOPF
Bit 1
RESUMF
Bit 0
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