PCM1609APT datasheet(18/43 Pages) TI

18 / 43 page

www.ti.com

INC = 1 (Auto-Increment Read)

INDEX “N”

High Impedance

MDI

MDO

INDEX “Y”

High Impedance

MDI

MDO

INDEX “N + 1”

INC = 0 (Single-Register Read)

INDEX “N”

High Impedance

MDI

MDO

T0075-01

AUTO-INCREMENT READ OPERATION

PCM1609A

SLES145A – AUGUST 2005 – REVISED AUGUST 2006

NOTES: X = Don’t care

Y = Last register to be read

In single-register read (INC = 0), the index which indicates the resister to be read in read operation can be set by

REG[6:0] in register 11. For example, setting REG[6:0] = 000 1001b means reading from register 9.

In auto-increment read (INC = 1), the index REG[6:0] indicates the first register to be read. For example, setting

REG[6:0] = 000 1001b means reading registers from 9 to Y. Y is determined by the low-to-high transition of ML in

serial mode control.

Figure 26. Read Operation Timing

The auto-increment read function allows for multiple registers to be read sequentially. The auto-increment read

function is enabled by setting the INC bit of control register 11 to 1. The sequence always starts with the register

indexed by the REG[6:0] bits in control register 11, and ends by the ML setting to 1 after MC clock cycle for the

least-significant bit of last register.

Submit Documentation Feedback

PCM1609APT Datasheet(PDF) 18 Page - Texas Instruments