33905 datasheet(75/91 Pages) FREESCALE

75 / 91 page

Analog Integrated Circuit Device Data

Freescale Semiconductor

33904/5

SERIAL PERIPHERAL INTERFACE

FLAGS

DESCRIPTION

The table below is the summary of the device flags, I/O

real time level and device Identification. They are obtained

using the following commands.

This command is composed of the following:

bits 15 and 14: [1 1] for failure flags, or [0 0] for I/O real time

status or device identification.

• bit 13 to 9 are the register address from which the flags is

to be read.

• bit 8 = 1 (this is not parity bit function, as this is a read

command).

Table 36. Device Flag, I/O real time and Device Identification

Bits

15-14

13-9

MOSI

MOSI bits 15-7

Next 6 MOSI bits (bits 6.0) should be “000_0000”

bits [15,

14]

Address

[13-9]

bit 8

bit

MISO

8 Bits Device Fixed Status

(bits 15...8)

MISO bits [7-0], device response on MISO terminal

bit 7

bit 6

bit 5

bit 4

bit 3

bit 2

bit 1

bit 0

REG

0_1111

REG

VAUX_low

VAUX_over-

current

5V-can_

Thermal

shutdown

5V-can_

over-current

VSENSE_

low

VSUP_

Under-

voltage

IDD-OC-

NORMAL

mode

VDD_

Thermal

shutdown

RST_low

(<100ms)

VSUP_

batfail

IDD-OC-LP

Vddon mode

Hexa SPI commands to get Vreg Flags: MOSI Ox DF 00, and MOSI Ox DF 80

CAN

1_0000

CAN

wake-up

CAN Over-

temp

RxD low

Rxd high

TxD dom

Bus Dom

clamp

CAN Over-

current

CAN_UF

CAN_F

CANL

to VBAT

CANL to VDD

CANL to

GND

CANH to

VBAT

CANH to VDD

CANH to

GND

Hexa SPI commands to get CAN Flags: MOSI Ox E1 00, and MOSI Ox E1 80

I/O

1_0001

I/O

HS3 short to

GND

HS2 short to

GND

SPI parity

error

CSB low

>2ms

VSUP2-UV VSUP1-OV I/O-O thermal W/D flash

mode 50%

I/O-1-3

wake-up

I/O-0-2 wake-

SPI wake-up

FWU

INT service

Timeout

Low Power

VDD OFF

Reset

request

Hardware

Leave

Debug

Hexa SPI commands to get I/O Flags and I/O wake up: MOSI Ox E3 00, and MOSI Ox E3 80

1_0001

I/O

I/O-3

state

I/O-2

state

I/O-1 state

I/O-0 state

Hexa SPI commands to get I/O real time level: MOSI Ox 23 00

INT

1_0010

Interrupt

INT request

RST high

DBG resistor

VDD temp

Prewarning

VDD UV

VDD Over-

voltage

VAUX_over-

voltage

VDD low

>100ms

VDD low RST

RST low

>100ms

multiple

Resets

W/D refresh

failure

Hexa SPI commands to get INT Flags: MOSI Ox E5 00, and MOSI Ox E5 80

1_0010

Interrupt

Vdd (5V or

3.3V)

device

p/n 1

device

p/n 0

id4

id3

id2

id1

id0

Hexa SPI commands to get device Identification: MOSI Ox 25 10

MISO bit [7-0] = 1011 0001: MC33904, 5V version, silicon pass 3.0

MISO bit [7-0] = 1011 0010: MC33904, 5V version, silicon pass 3.1

LIN1

1_0011

LIN 1

LIN1

wake up

LIN1 Term

short to gnd

LIN 1

Over-temp

RxD1 low

RxD1 high

TxD1 dom

LIN1 bus

dom clamp

Hexa SPI commands to get LIN 2 Flags: MOSI Ox E7 00

LIN2

1_0100

LIN 2

LIN2

wake up

LIN2 Term

short to gnd

LIN 2

Over-temp

RxD2 low

RxD2 high

TxD2 dom

LIN2 bus

dom clamp

Hexa SPI commands to get LIN 2 Flags: MOSI Ox E9 00

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