Cirrus-logic CDB5490U Manuel d'utilisateur télécharger pdf (Page 41)

CDB5490U

DS923DB5 41

REV C2

02/17/11

SCHEM CDB5490U-Z NPb

Alan ZHAAlan ZHA

MCU+LCD+USB

CHK BY/DATEINC BY/DATEDESCRIPTIONREVECO#

SIZE B

SHEET

PART #

DESCRIPTION:

DRAWN BY:

DATE:

ENGINEER:

SHEET TITLE:

+5V_EXT

GND1

+5V_USB +5V_EXT

LCD HEADER

600-00483-Z1

P0.1

P0.0

GND

D+

D-

VDD

REGIN

VBUS

RST/C2CK

P3.0/C2D

P2.7

P2.6

P2.5

P2.4

P2.3

P2.2

P2.1

P2.0

P1.7

P1.6

P1.5

P1.4

P1.3

P1.2

P1.1

P1.0

P0.7

P0.6

P0.5

P0.4

P0.3

P0.2

C8051F342-GQ

VSS

VDD

R/W

DBO

DB1

DB2

DB3

DB4

DB5

DB6

DB7

BLA

BLK

LCD1

LCD 16P LMB162AFC-2

LCD

R37

R38

R42

C22

0.1uF

X7R

C23

0.1uF

X7R

C24

47uF

ELEC

C25

0.1uF

X7R

+5V

D-

D+

GND

J24

292304-1

USB

C26

22pF

SP0503BAHTG

910

J25

HDR5X2

JTAG/C2

RESET

R44

C27

0.1uF

X7R

C28

1UF

X7R

R45 1K

R461K

J26

J27

SWITCH

R47

5.1K

C29

0.1uF

X7R

RED

EVENT

R48

680

6.8V

TP10

+3.3V_1

JP1

JP2

JP3

JP4

JP5

JP6

JP7

JP8

R43

R56

NO POP

J22

HDR16X1-ML-TH

R57 20

DO1

LCD_E

LCD_R/W

LCD_RS

LCD_E

LCD_R/W

LCD_RS

+3.3V_1

USB_+5V

+3.3V_1

GND1

GND1GND1

GND1

GND1 GND1

RESET

GND1

+5V

Figure 35. Schematic - Microcontroller and USB Interface

1 2 ... 36 37 38 39 40 41 42 43 44 45 46

CDB5490U 1

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Cirrus-logic CDB5490U Manuel d'utilisateur Page 41

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