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CY7C656x
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PRELIMINARY
Document #: 38-08037 Rev. *D Page 20 of 23
14.0 System Block Diagram
VCC
D–
D+
SHELL
BUSPOWER
GND
4.7 nF 250V
1 MΩ
D–
D+
100 kΩ
2.2 µF
10V
HX2LP
GREEN[1]
AMBER[1]
GREEN[2]
AMBER[2]
GREEN[3]
AMBER[3]
GREEN[4]
AMBER[4]
PWR1
OVR1
PWR2
OVR2
PWR3
OVR3
PWR4
OVR4
SPI_CS
SPI_SCK
SPI_SD
DD–[1]
DD+[1]
DD–[2]
DD+[2]
DD–[3]
DD+[3]
DD–[4]
DD+[4]
D–
D+
BUSPOWER
D-
D+
DD-[1]
DD+[1]
DD-[2]
DD+[2]
DD-[3]
DD+[3]
DD-[4]
DD+[4]
GREEN[1]
AMBER[1]
GREEN[2]
AMBER[2]
GREEN[3]
AMBER[3]
GREEN[4]
AMBER[4]
PWR1
OVR1
PWR2
OVR2
PWR3
OVR3
PWR4
OVR4
SPI_CS
SPI_SCK
SPI_SD
VCC1
VCC2
VCC3
VCC4
VCC5
VCC6
VCC7
VCC8
VCC9
VCC10
VCC11
XIN
XOUT
GND1
GND2
GND3
GND4
GND5
GND6
GND7
GND8
GND9
GND10
GND11
GND12
BUSPOWER
RESET
3V
24 MHz
12 pF
0.1µF
3.3V
100K
SPI
EEPROM
SPI_SD
SPI_SCK
SPI_CS
5V
PWR1
PWR3
PWR4
Power
Management
PWR1
OVR1
PWR2
OVR2
OVR3
PWR3
PWR4
OVR4
VCC
D–
D+
SHELL
GND
150 µF
0.01 µF
10V
DD–[1]
DD+[1]
PWR1
680Ω
680Ω
GREEN#[1]
AMBER#[1]
3.3V
680Ω
680Ω
GREEN#[2]
AMBER#[2]
3.3V
VCC
D–
D+
SHELL
GND
150 µF
0.01 µF
10V
DD–[2]
DD+[2]
PWR2
VCC
D–
D+
SHELL
GND
150 µF
0.01 µF
10V
DD-[3]
DD+[3]
PWR3
680Ω
680Ω
GREEN#[3]
AMBER#[3]
3.3 V
680Ω
680Ω
GREEN#[4]
AMBER#[4]
3.3 V
VCC
D–
D+
SHELL
GND
150 µF
0.01 µF
10V
DD-[4]
DD+[4]
PWR4
PWR2
12 pF
Figure 14-1. Sample Schematic
SPI_SD