NXP Semiconductors OM6276,598, User Manual, Page: 5 / 11

UM10317_1 © NXP B.V. 2008. All rights reserved.
User manual Rev. 01 — 15 December 2008 5 of 11
NXP Semiconductors
UM10317
PCA9633 demonstration board OM6282
6. Schematic
Fig 2. PCA9633 daughter card
LED1
R9
PIN3
R12 R10 R11
LD1
C2 C1
GND
LED0
PIN4
LED1
PIN5
LED2
PIN6
LED3
PIN15
A6
PIN14
A5
PIN11
A4
PCA9633
V
CC
PIN13
PIN12
PIN1
PIN2
PIN7
PIN8
PIN10
GND
SDA
SCL
A0
A1
A2
A3
OE
PIN9
PIN16
A0
A1
A2
A3
3.3 V unswitched
A6
A5
A4
C3
GND
LED0
LED1
LED2
LED3
3.3 V unswitched
3.3 V unswitched
GND
J3
5 V unswitched
5 V switched
1
J2
OE
3.3 V unswitched
3.3 V switched
SCL
SDA
GND
INPUT
OUTPUT
J1
5 V unswitched
5 V switched
3.3 V unswitched
3.3 V switched
SCL
SDA
GND
INPUT
OUTPUT
16
15
14
13
12
10
11
9
V
CC
A6
A5
SDA
SCL
OE
A4
GND
IC2
DIL16-1
SOCKET - not populated
GND
1
2
3
4
5
7
6
8
A0
A1
LED0
LED1
LED2
A2
LED3
A3
R1 R2 R3 R4 R5 R6 R7 R8
A6
A5
A4
A3
A2
A1
A0
OE
ON
S1
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
GND
002aae179
3.3 V unswitched