LC823450 datasheet(87/112 Pages) ONSEMI

Part #	LC823450

Description	Low Power & High-Resolution Audio Processing System LSI

PDF	112 Pages

Scroll/Zoom	100%

Manufacturer	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

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LC823450

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Digital Mic Timing

• [condition]

VDD1 = 0.93 V to 1.27 V, VDD2, VDDQSPI= 1.7 V to

1.95 V or 2.7 V to 3.6 V

External load 15 pF to 40 pF

Figure 34. Digital Mic Timing

DMCKO

DMDIN

tCY

tSU

tHLD

tSU

tHLD

• [applied pin]

♦ Clock

: DMCKO0, DMCKO1

♦ Input

: DMDIN0, DMDIN1

Table 51.

Item

Symbol

Min

Typ

Max

Unit

Period of clock cycle (Note

56)

tCY

−

3.25

MHz

Clock duty

60 : 40

40:60

Data setup time

tSU

−

Data hold time

tHLD

−

56. Internal clock and register setting.

UART Timing

• [condition]

VDD1 = 0.93 V to 1.27 V, VDDSD2= 1.7 V to 1.95 V or

2.7 V to 3.6 V

External load 10 pF to 30 Pf (VDDSD2 = 1.7 V to 1.95

V), 10 pF to 40 pF (VDDSD2 = 2.7 V to 3.6 V)

CTS Timing

Figure 35. CTS Timing

CTS1

Start

bit

Stop

bit2

Stop

bit

Tsetupcts

Tdlycts

Endod the last Stop Bit

Parity

bit

Stop

Bit1

Parity

bit

TXD1

LC823450 Datasheet(PDF) 87 Page - ON Semiconductor

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