ATDVK90CAN1 Atmel, ATDVK90CAN1 Datasheet - Page 22

• Manufacturer Part Number: ATDVK90CAN1
• Description: KIT DEV FOR AT90CAN128 MCU
• Manufacturer: Atmel

Specifications of ATDVK90CAN1

• Main Purpose: *
• Embedded: *
• Utilized Ic / Part: AT90CAN AVR Devices
• Primary Attributes: *
• Secondary Attributes: *
• Processor To Be Evaluated: AT90CAN
• Data Bus Width: 8 bit
• Interface Type: RS-232, SPI, TWI
• Core Architecture: AVR
• Core Sub-architecture: AVR UC3
• Kit Contents: Board, AT90CAN128 Sample Microcontroller, 9V Battery Power Cable, CD-ROM, Manuals
• Features: RS232, CAN, LIN, SPI & TWI Serial Interface
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

3.6.4
DVK90CAN1 Hardware User Guide
TWI
The AT90CAN128 is a micro-controller with an on-chip TWI interface, master or slave.
A 4-pin male connector assumes the TWI bus connections.
Figure 3-19 . TWI 4-pin Connector
The TWI 4-pin connector also provides to the user VCC and GND.
Figure 3-20 . TWI 4-pin Connections
4.7 KΩ pull-up resistors on SDA or/and SCL signals are available if needed.
Table 3-9 . SDA or/and SCL Pull-up SS Pull-up
pull-up
pull-up
4.7 KΩ
4.7 KΩ
Mode
TWI Connector front view
1
2
View
3
4
TWI 4-pin
pull-up
pull-up
Mode
pin 1
pin 2
pin 3
pin 4
No
No
VCC
SDA
SCL
GND
Using the DVK90CAN1
View
4381B–AVR–07/08
3-21