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1 auto-increment control (incr), 2 register pointer (map), Figure 6. control port timing, spi mode – Cirrus Logic CS4221 User Manual

Page 24: Figure 7. control port timing, i2c mode, 9 memory address pointer (map), Control port timing, i

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CS4220 CS4221

24

DS284PP3

8.9

Memory Address Pointer (MAP)

8.9.1

AUTO-INCREMENT CONTROL (INCR)

Default = 0
0 - Disabled
1 - Enabled

8.9.2

REGISTER POINTER (MAP)

Default = 000

7

6

5

4

3

2

1

0

INCR

Reserved

Reserved

Reserved

Reserved

MAP2

MAP1

MAP0

0

0

0

0

0

0

0

0

CS

CCLK

CDIN

CHIP

ADDRESS

0010000

R/W

MAP

DATA

MSB

LSB

byte 1

byte n

MAP = Memory Address Pointer

Figure 6. Control Port Timing, SPI mode

SDA

SCL

001000

ADDR
AD0

R/W

ACK

DATA 1-8

ACK

DATA 1-8

ACK

Start

Stop

Figure 7. Control Port Timing, I

2

C mode

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