AT32UC3B064-Z2UR Atmel, AT32UC3B064-Z2UR Datasheet - Page 232
AT32UC3B064-Z2UR
Manufacturer Part Number
AT32UC3B064-Z2UR
Description
MCU AVR32 64K FLASH 64-QFN
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.AT32UC3B164-AUR.pdf
(680 pages)
Specifications of AT32UC3B064-Z2UR
Package / Case
64-QFN
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Operating Temperature
-40°C ~ 85°C
Speed
60MHz
Number Of I /o
44
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
16K x 8
Program Memory Size
64KB (64K x 8)
Data Converters
A/D 8x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity
I²C, IrDA, SPI, SSC, UART/USART, USB
Core Size
32-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Figure 19-16. TWI Write Operation with Multiple Data Bytes with or without Internal Address
32059J–12/2010
TWI_THR = data to send
Yes
(CLDIV, CHDIV, CKDIV) in TWI_CWGR
- Internal address size
Set the Master Mode register:
TWI_CR = MSEN + SVDIS
Internal address size = 0?
Write ==> bit MREAD = 0
TWI_THR = Data to send
Set the Control register:
- Device slave address
Load Transmit register
- Transfer direction bit
Read Status register
Read Status register
(Needed only once)
- Master enable
TXCOMP = 1?
Yes
Data to send?
Yes
Set TWI clock
TXRDY = 1?
Yes
BEGIN
END
(if IADR used)
No
No
No
Set the internal address
TWI_IADR = address
AT32UC3B
232
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