LC823450 datasheet(4/112 Pages) ONSEMI

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LC823450

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Package Code and Functional Difference

Table 1. FUNCTIONAL DIFFERENCE

Function

Package Code

XA, XC

XB, XD

Package

TQFP128L

WLP154

LFBGA240

Cortex−M3

Dual Core

Single

Dual

SDRAM Controller

Available

External Memory

Controller

8bit I/F

(LCD I/F, etc.)

8bit I/F

(LCD I/F, etc.)

Available

SD2

Available

10bit ADC

Conversion Speed

MAX 5 MHz

(Note 2)

MAX 20 MHz

(Note 4)

10bit ADC

Reference Voltage

VRH = AvddADC

VRL = AVssADC

(Note 3)

VRH = AVddADC

and lower

VRL = AVssADC

and higher

PCM1(PCM I/F ch1)

BCK1/LRCK1

share pins with other function

Available

MP3 Hard Wired Encoder

Available

16bit Audio DAC,

Class−D AMP

Available

PLL2(1 V PLL)

PLL3(3 V PLL)

Only PLL2

Available

Only PLL2

XTALINFO[1:0] Input

“00”

(24 MHz)

Available

RTCMODE Input

“1”

(General RTC mode)

Available

KEYINT[2:0] Input

Available

External Interrupt

45 ch

61 ch

90 ch

GPIO

45 ch

61 ch

90 ch

1. Pin shared for multiple function. Refer to Terminal Functions for details.

2. Intentionally not used.

3. VR is open inside.

4. VRH = AvddADC, VRL = AVssADC inside.

5. Decoupling capacitor is required MAX 5 MHz in case of open.

LC823450 Datasheet(PDF) 4 Page - ON Semiconductor

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