ATEVK1105 Atmel, ATEVK1105 Datasheet - Page 246

• Manufacturer Part Number: ATEVK1105
• Description: KIT EVAL FOR AT32UC3A0
• Manufacturer: Atmel
• Series: AVR®32r
• Type: MCUr

Specifications of ATEVK1105

• Contents: Evaluation Board, Software and Documentation
• Processor To Be Evaluated: AT32UC3A0512
• Processor Series: AVR
• Data Bus Width: 32 bit
• Interface Type: USART, TWI, USB, SPI, Ethernet
• Operating Supply Voltage: 3.3 V
• Silicon Manufacturer: Atmel
• Core Architecture: AVR
• Core Sub-architecture: AVR UC3
• Silicon Core Number: AT32UC3A0512
• Silicon Family Name: AVR
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT32UC3A0
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

24.14 Two-wire Interface (TWI) User Interface
24.14.1
Table 24-4.
Note:
24.14.2
Name:
Access:
Reset Value: 0x00000000
• START: Send a START Condition
0 = No effect.
1 = A frame beginning with a START bit is transmitted according to the features defined in the mode register.
32058J-AVR32-04/11
Offset
0x00
0x04
0x08
0x0C
0x10
0x20
0x24
0x28
0x2C
0x30
0x34
0x38 - 0xF8
0xFC
0x38 - 0xFC
SWRST
31
23
15
–
–
–
7
1. Values in the Version Register vary with the version of the IP block implementation.
Register Mapping
TWI Control Register
CR
Write-only
TWI User Interface
Register
Control Register
Master Mode Register
Slave Mode Register
Internal Address Register
Clock Waveform Generator Register
Status Register
Interrupt Enable Register
Interrupt Disable Register
Interrupt Mask Register
Receive Holding Register
Transmit Holding Register
Reserved
Version Register
Reserved
30
22
14
–
–
–
6
–
SVDIS
29
21
13
–
–
–
5
SVEN
28
20
12
–
–
–
4
MSDIS
27
19
11
–
–
–
3
TWI_VER
CWGR
Name
MMR
IADR
SMR
RHR
THR
IMR
IER
IDR
CR
SR
–
–
MSEN
26
18
10
–
–
–
2
Read-write
Read-write
Read-write
Read-write
Read-only
Read-only
Read-only
Write-only
Read-only
Write-only
Write-only
Write-only
Access
–
–
STOP
25
17
–
–
9
–
1
AT32UC3A
0x00000000
0x0000F009
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
Reset
N / A
N / A
N / A
START
–
–
24
16
–
–
8
–
0
(1)
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