L9658 datasheet(53/64 Pages) STMICROELECTRONICS

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L9658

Functional description

Doc ID 14219 Rev 3

53/64

4.14.13

Satellite module configuration register (CH1 only)

This register define global configuration to the satellite module, in able to be executed

correctly it has to be written for CH1 as the first word after the rising edge of CS_S. When an

MCR command is written to any other channel than CH1, the IC ignores this command and

reply with SPI message $E000.

Bits[1:0]

These bits configure the polarity and the behavior of the MSG

Bits[7:4]

These bits are used to enable CH3 and CH4 to operate in Hall effect sensor mode, disabled

by default

Table 34.

Master configuration register definition (CH1 Only)

Bit

State

Description

D13

Not Used

D12

"B" protocol setup for even parity

(default)

"B" protocol setup for odd parity

D11

CH4 "A" Protocol Mode

(default)

CH4 "B" Protocol Mode

D10

CH3 "A" Protocol Mode

(default)

CH3 "B" Protocol Mode

CH2 "A" Protocol Mode

(default)

CH2 "B" Protocol Mode

CH1 "A" Protocol Mode

(default)

CH1 "B" Protocol Mode

Disable IF4/V4 pin

Enable IF4/V4 pin

Disable IF3/V3 pin

Enable IF3/V3 pin

IF4/V4 operating in Satellite sensor Mode

(default)

IF4/V4 operating in Hall effect sensor Mode

IF4/V3 operating in Satellite sensor Mode

(default)

IF4/V3 operating in Hall effect sensor Mode

Not USED

MSG Output remains active when CS_S asserted (default)

MSG Output inactive when CS_S asserted

MSG Output Active High

(default)

MSG Output Active Low

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