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AT43USB320A
Atmel AT43USB320A Manuals
Manuals and User Guides for Atmel AT43USB320A. We have
1
Atmel AT43USB320A manual available for free PDF download: Manual
Atmel AT43USB320A Manual (113 pages)
Full-speed USB Microcontroller with an Embedded Hub
Brand:
Atmel
| Category:
Microcontrollers
| Size: 1 MB
Table of Contents
Table of Features
1
Description
1
Hub/Monitor/Ir Chip Application
2
Pin Configurations
2
Pin Assignment
3
Signal Description
5
Architectural Overview
7
The General-Purpose Register File
8
Y- and Z- Registers
9
ALU - Arithmetic Logic Unit
9
Program Memory
9
SRAM Data Memory
10
I/O Memory
16
USB Hub
17
Functional Description
19
On-Chip Power Supply
19
I/O Pin Characteristics
19
Oscillator and PLL
19
Reset and Interrupt Handling
20
Reset Sources
22
Power-On Reset
23
External Reset
24
Watchdog Timer Reset
24
Non-USB Related Interrupt Handling
24
General Interrupt Mask Register - GIMSK
26
General Interrupt Flag Register - GIFR
26
Timer/Counter Interrupt Flag Register - TIFR
28
External Interrupts
29
Interrupt Response Time
29
MCU Control Register - MCUCR
30
USB Interrupt Sources
31
USB Endpoint Interrupt Sources
32
AVR Register Set
36
Status Register and Stack Pointer
36
Sleep Modes
37
Timer/Counters
38
Timer/Counter Prescaler
38
8-Bit Timer/Counter0
39
Timer/Counter0 Control Register - TCCR0
40
Timer/Counter0 - TCNT0
40
16-Bit Timer/Counter1
41
16-Bit Timer/Counter1 Operation
42
Timer/Counter1 Control Register B - TCCR1B
44
Timer/Counter1 - TCNT1H and TCNT1L
46
Timer/Counter1 Input Capture Register - ICR1H and ICR1L
48
Watchdog Timer
50
Serial Peripheral Interface (SPI)
52
SPI Status Register - SPSR
57
SPI Data Register - SPDR
57
Uart
57
Data Transmission
58
Data Reception
59
UART Control
61
Baud Rate Generator
63
I/O-Ports
64
Port a
64
Port B
65
Port B Data Register - PORTB
66
Port B Data Direction Register - DDRB
66
Port B Input Pins Address - PINB
66
Portc
67
Port D
68
Programming the USB Module
69
The USB Function
69
USB Registers
77
Endpoint Registers
78
USB Hub
86
Suspend and Resume
96
Electrical Specification
100
Absolute Maximum Ratings
100
DC Characteristics
100
Ordering Information
109
Packaging Information
110
100Aa - Lqfp
110
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