PD70F3826_15 Datasheet, PDF (53/75 Pages) Renesas Technology Corp – RENESAS MCU

μ PD70F3826, 70F3827, 70F3828, 70F3829, 70F3830, 70F3831, 70F3832, 70F3833, 70F3834, 70F3835, 70F3836, 70F3837 18. CAN CONTROLLER
18. CAN CONTROLLER
In the μPD70F3829, 70F3833, 70F3837, one channel of CAN controller is provided.
• Compliant with ISO 11898 and tested according to ISO/DIS 16845 (CAN conformance test)
• Standard frame and extended frame transmission/reception enabled
• Transfer rate: 1 Mbps max. (CAN clock input ≥ 8 MHz)
• 32 message buffers/channels
• Receive/transmit history list function
• Automatic block transmission function
• Multi-buffer receive block function
• Mask setting of four patterns is possible for each channel
The following figure shows the configuration of CAN controller.
CPU
Interrupt request
INTC0TRX
INTC0REC
INTC0ERR
INTC0WUP
NPB
interface
Internal bus
CAN module
CAN bus
MAC
(Memory Access Controller)
CAN
protocol
layer
CTXD0
CRXD0
CAN
transceiver
CAN_H0
CAN_L0
CAN RAM
Message
buffer 0
Message
buffer 1
Message
buffer 2
Message
buffer 3
Message
buffer 31
CnMASK1
CnMASK2
CnMASK3
CnMASK4
R01DS0029EJ0001 Rev.0.01
Sep 30, 2010
Page 53 of 75