AT32UC3B1256-Z1UR Atmel, AT32UC3B1256-Z1UR Datasheet - Page 250

• Manufacturer Part Number: AT32UC3B1256-Z1UR
• Description: MCU AVR32 256K FLASH 48-QFN
• Manufacturer: Atmel
• Series: AVR®32 UC3r

Specifications of AT32UC3B1256-Z1UR

• Package / Case: 48-QFN Exposed Pad
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 60MHz
• Number Of I /o: 28
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Program Memory Size: 256KB (256K x 8)
• Data Converters: A/D 6x10b
• 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: -

19.14.2
Name:
Access:
Offset:
Reset Value: 0x00000000
•
•
•
32059J–12/2010
DADR: Device Address
MREAD: Master Read Direction
IADRSZ: Internal Device Address Size
31
23
15
–
–
–
7
–
0
0
1
1
The device address is used to access slave devices in read or write mode. Those bits are only used in Master mode.
0 = Master write direction.
1 = Master read direction.
IADRSZ[9:8]
Master Mode Register
MMR
Read-write
0x04
30
22
14
–
–
6
–
0
1
0
1
Description
No internal device address
One-byte internal device address
Two-byte internal device address
Three-byte internal device address
29
21
13
–
–
5
–
MREAD
28
20
12
–
4
–
DADR
27
19
11
–
–
3
–
26
18
10
–
–
2
–
25
17
–
9
1
–
AT32UC3B
IADRSZ
24
16
–
8
0
–
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