AT32UC3A0128-ALUT Atmel, AT32UC3A0128-ALUT Datasheet - Page 238
![IC MCU AVR32 128KB FLASH 144LQFP](/photos/6/72/67244/144l1-lqfp_sml.jpg)
AT32UC3A0128-ALUT
Manufacturer Part Number
AT32UC3A0128-ALUT
Description
IC MCU AVR32 128KB FLASH 144LQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3A0128-ALUT
Core Processor
AVR
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, Ethernet, I²C, SPI, SSC, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
109
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Processor Series
AT32UC3x
Core
AVR32
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
2-Wire, RS-485, SPI, USART
Maximum Clock Frequency
66 MHz
Number Of Programmable I/os
69
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR32, EWAVR32-BL, KSK-EVK1100-PL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATEXTWIFI, ATEVK1100, ATEVK1105
Minimum Operating Temperature
- 40 C
Controller Family/series
AT32UC3A
No. Of I/o's
109
Ram Memory Size
32KB
Cpu Speed
66MHz
No. Of Timers
1
Rohs Compliant
Yes
For Use With
ATEVK1105 - KIT EVAL FOR AT32UC3A0ATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMR770-1008 - ISP 4PORT ATMEL AVR32 MCU SPIATEVK1100 - KIT DEV/EVAL FOR AVR32 AT32UC3A
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3A0128-ALUT
Manufacturer:
Atmel
Quantity:
166
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24.13 Slave Mode
24.13.1
24.13.2
Figure 24-22. Slave Mode Typical Application Block Diagram
24.13.3
24.13.4
24.13.4.1
32058J-AVR32-04/11
Definition
Application Block Diagram
Programming Slave Mode
Receiving Data
Read Sequence
Host with
Interface
Master
TWI
The Slave Mode is defined as a mode where the device receives the clock and the address from
another device called the master.
In this mode, the device never initiates and never completes the transmission (START,
REPEATED_START and STOP conditions are always provided by the master).
The following fields must be programmed before entering Slave mode:
1. SADR (SMR): The slave device address is used in order to be accessed by master
2. MSDIS (CR): Disable the master mode.
3. SVEN (CR): Enable the slave mode.
As the device receives the clock, values written in CWGR are not taken into account.
After a Start or Repeated Start condition is detected and if the address sent by the Master
matches with the Slave address programmed in the SADR (Slave ADdress) field, SVACC (Slave
ACCess) flag is set and SVREAD (Slave READ) indicates the direction of the transfer.
SVACC remains high until a STOP condition or a repeated START is detected. When such a
condition is detected, EOSACC (End Of Slave ACCess) flag is set.
In the case of a Read sequence (SVREAD is high), TWI transfers data written in the THR (TWI
Transmit Holding Register) until a STOP condition or a REPEATED_START + an address differ-
ent from SADR is detected. Note that at the end of the read sequence TXCOMP (Transmission
Complete) flag is set and SVACC reset.
TWD
TWCK
devices in read or write mode.
Host with TWI
Interface
Slave 1
Host with TWI
Interface
Slave 2
LCD Controller
Slave 3
R
R
AT32UC3A
VDD
238
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