AT91RM3400-DK Atmel, AT91RM3400-DK Datasheet - Page 257
AT91RM3400-DK
Manufacturer Part Number
AT91RM3400-DK
Description
KIT DEV FOR AT91RM3400
Manufacturer
Atmel
Series
AT91SAM Smart ARMr
Type
MCUr
Datasheets
1.AT91RM3400-DK.pdf
(461 pages)
2.AT91RM3400-DK.pdf
(2 pages)
3.AT91RM3400-DK.pdf
(25 pages)
Specifications of AT91RM3400-DK
Contents
Evaluation Board, Software and Documentation
Processor To Be Evaluated
AT91RM3400
Data Bus Width
32 bit
Interface Type
RS-232, USB
For Use With/related Products
AT91RM3400
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 257 of 461
- Download datasheet (6Mb)
Figure 89. TWI Read in Master Mode
1790A–ATARM–11/03
Yes
TWI_CR = TWI_SVDIS + TWI_MSEN
Set the Master Mode register:
Internal address size = 0?
Read ==> bit MREAD = 0
TWI_CR = TWI_START
Set the control register:
- Device slave address
TWI_CR = TWI_STOP
- Internal address size
- Transfer direction bit
TWI_CWGR = clock
Read status register
Read status register
Start the transfer
Stop the transfer
- Master enable
- Slave disable
TXCOMP = 0?
Set TWI clock:
Data to read?
RXRDY = 0?
Yes
START
END
Yes
Yes
Set theinternal address
TWI_IADR = address
AT91RM3400
257
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