MC33989(2002) 데이터 시트보기 (PDF) - Freescale Semiconductor

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MC33989
(Rev.:2002)

System Basis Chip with High Speed CAN Transceiver

Freescale Semiconductor 

MC33989

Freescale Semiconductor, Inc.

(Vsup From 5.5V to 18V and Tamb -40°C to 125°C)

For all pins except CANH, CANL, Tx and Rx which are described in the CAN module section

Description

Symbol

Characteristics

Min

Typ

Max

Unit

Delay between CSB wake up (CSB low

to high) and SBC normal request mode

Tw-csb

15

(Vdd1 on & reset high)

Delay between CSB wake up (CSB low

to high) and first accepted SPI command

Tw-spi

90

Delay between INT pulse and 1st SPi

command accepted

Ts-1stspi

20

40

90

us

N/A

us

N/A

us

Figure 2. SPI Timing characteristic

Conditions

SBC in stop mode

SBC in stop mode

In stop mode after wake up

CSB

Tpclk

Tlead

Twclkh

Tlag

SCLK

Tsisu

Twclkl

Tsih

MOSI

MISO

Undefined

Tvalid

Tsoen

Di 0

Don’t Care

Do 0

Di 8

Do 8

Don’t Care

Tsodis

Note:

Incomming data at MOSI pin is sampled by the SBC at SCLK falling edge.

Outcoming data at MISO pin is set by the SBC at SCLK rising edge (after Tvalid delay time).

MC33989

For More Information On This Product,

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