TLE6263 datasheet(8/40 Pages) INFINEON

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Final Datasheet TLE 6263

Version 2.08

2004-06-07

6.1

Operation Modes

The TLE 6263 offers four different operation modes that are controlled via the SPI

interface (NSTB= SPI Input Bit3, ENT=SPI Input Bit2): the normal operation mode, the

receive-only mode, the Vbat stand-by mode and the sleep operation mode. Please see

the state diagram (figure 3).

Normal and Receive only Mode

In the normal operation mode both is possible, receiving and transmitting of messages,

in the receive-only mode (RxD-only mode) the output stages are disabled which doesn’t

allow the CAN controller to send a message to the bus. In the state diagram (figure 3),

VCC is the status of the voltage regulator.

Figure 3:

State Diagram

Vbat stand-by mode and sleep mode

In the Vbat stand-by mode and sleep mode the RTL output voltage is switched to VS.

Both modes are low power modes. In the sleep mode the whole application is switched

SPI Input Bits:

IBit2 = ENT

IBit3 = NSTB

HS cyclic

sense

NSTB

OFF

ENT

HS Switch = ON

bat Stand-By

NSTB

ENT

RxD = LOW if a wake up

occured by WK1, WK2

or CAN message

NSTB

ENT

RxD-Only

Start Up

Power Up

2) NSTB

2) ENT

Wake Up =

transition on

WK1 or WK 2

for t > t

CAN message

2) NSTB

ENT

2) NSTB

Normal Mode

NSTB

ENT

Sleep

NSTB

OFF

ENT

HS switch = OFF

1) automatic repeated transition only if

HS cycl sense feature is selected

by SPI IBit 4

2) NSTB and ENT are both SPI Input

Bits (IBits)

1) after 64ms

1) after 500µs

Sleep Mode

Power

Down

2) ENT

2) NSTB

ENT

2) NSTB

HS cyclic

sense

NSTB

ENT

HS Switch = ON

1) after 64ms

1) after 500µs

bat Stand-By Mode

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