CS61884 datasheet(48/72 Pages) CIRRUS

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CS61884

DS485PP4

16.3 Device ID Register (IDR)

Revision section: 0h = Rev A, 1h = Rev B and so on. The device Identification Code [27 - 12] is derived

from the last three digits of the part number (884). The LSB is a constant 1, as defined by IEEE 1149.1.

17. BOUNDARY SCAN REGISTER (BSR)

The BSR is a shift register that provides access to the digital I/O pins. The BSR is used to read and write

the device pins to verify interchip connectivity. Each pin has a corresponding scan cell in the register. The

pin to scan cell mapping is given in the BSR description shown in Table 11.

NOTE: Data is shifted LSB first into the BSR register.

CS61884 IDCODE REGISTER(IDR)

REVISION

DEVICE IDCODE REGISTER

MANUFACTURER CODE

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9876543210

0000000010001000010000 0011001001

Table 11. Boundary Scan Register

BSR

Bit

Name

Cell

Type

Bit

Symbol

LOS7

RNEG7

RPOS7

RCLK7

Note 2

HIZ7_B

TNEG7

TPOS7

TCLK7

LOS6

LOS6_B

RNEG6

RPOS6

RCLK6

Note 2

HIZ6_B

TNEG6

TPOS6

TCLK6

MCLK

MODE

MODE_TRI

MODE

MODE_IN

ADDR4

ADDR3

ADDR2

ADDR1

ADDR0

LOOP0/D0

LPT0

LOOP0/D0

LPI0

LOOP0/D0

LPO0

LOOP1/D1

LPT1

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