Renesas SuperH SH7710 E10A Manual de usuario descargar pdf (Pagina 15)

Peripherals

■ Controller Area Network

(CAN)

• CAN version: Bosch 2.0B

active compatible

– Communication systems: NRZ

(Non-Return to Zero) system

(with bit-stuffing function)

– Broadcast communication system

– Transmission path: Bi-directional

2-wire serial communication

– Communication speed: Max.

1Mbps (at 40MHz operation)

– Data length: 0 to 8 bytes

• Number of channels: 1 or 2

• Data buffers: 32 (one receive-only

buffer and 31 buffers which can

be set for transmission/reception)

• Data transmission: Two methods

– Mailbox (buffer) number order

(high-to-low)

– Message priority (identifier)

reverse-order (high-to-low)

• Supports 12 CPU interrupts

• Supports 7 operating modes

• 16-bit free-running timer (FRT)

with flexible clock sources and

prescaler

• Other features

– DTC can be activated by message

reception mailbox

■ Universal Serial Bus

• Compatible with Universal

Serial Bus standard ver. 2.0

• Four transfer modes (Control,

Interrupt, Bulk, Isochronous)

• Root Hub function

• Offers full-speed mode (12Mbps)

and low-speed mode (1.5Mbps)

• Overcurrent detection feature

• Up to 127 end points control

(Host) and 4 end points

(Function) can be specified

• On-chip transceiver

(multiplex Host or Function)

SuperH Main On-chip Peripherals

13

CAN

HRxD1 HTxD1

REC

BCR

TEC

Peripheral Data Bus

Peripheral Address Bus

Microprocessor

Interface (MPI)

16-bit

Timer

Mailboxes

0 to 31

Mailbox

Control

Transmit Buffer Receive Buffer

CAN Block Diagram

USB Host

USB function

pwr_en

USB2_pwr_en

USB2P

USB2M

USB1_pwr_en

/

USBF_VBUS

USB1d

USB1P

USB1M

pwr_en

VBUS

pwr_en/

control pin

multiplexer

USB

host/function

transceiver

signals

multiplexer

/

VBUS

multiplexer

Transceiver

USB digital signal

Transceiver

Control

Port 1

Port 2

Port 1

Select Select

USB

Transceiver

2

USB

Transceiver

1

Power

Power

Transceiver

Transceiver

Power

Transceiver

USB Block Diagram

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 41 42

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