L9663 datasheet(68/104 Pages) STMICROELECTRONICS

68 / 104 page

Communication interface

L9663

68/104

DocID028693 Rev 1

CH2_CR3 (PROG)

Channel 2 Configuration Register 3

Address:

100001

Type:

R/W

Description:

[4:0] CH2_NOB1: Number of data bits in time slot 1

01000: 8 data bits

…

11100: 28 data bits

others: default (20 bit)

Settings programmed for time slot 1 are automatically applied to the other time slots in case at least one of the

following conditions in CH2_CR2 register is verified:

– READ_INIT_DATA2 = '1'

– TSM2_SEL = ‘10’ (simple configuration)

– SYNC2_EN = '0' (asynchronous mode)

Although the settings of time slot 1 are automatically applied by the logic to other time slots, these are not written in

corresponding configuration registers: so, reading by SPI the configuration of other time slots (TS2 to TS6) would not

give correct values. In above conditions programming on the other time slots would be ignored.

Default value:

0000010100010100

R/W

[15:12] RESERVED

[11] CH2_CRCP4: Parity or CRC in time slot 4

0: CRC

1: parity

[10:6] CH2_NOB4: Number of data bits in time slot 4

01000: 8 data bits

…

11100: 28 data bits

others: default (20 bit)

[5] CH2_CRCP3: Parity or CRC in time slot 3

0: CRC

1: parity

[4:0] CH2_NOB3: Number of data bits in time slot 3

01000: 8 data bits

…

11100: 28 data bits

others: default (20 bit)

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