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UG-139
EVALUATION BOARD OVERVIEW
MOTHERBOARD
USB SUPPLY
FOR DAUGHTERBOARD
(FOR DEMONSTRATION)
ADP1712 LDOs FOR VDDIO
2.8V OR 1.8V
ADP3303: 3.3V, 200mA
LDO SUPPLY FOR
CY68013A
USB MINI B TYPE
CONNECTOR
The ADP1650 motherboard provides the interface signals to the
ADP1650 flash driver IC. These signals are controlled via the
evaluation software GUI.
The Cypress Semiconductor Corporation CY68013A provides
the USB interface and I
2
C signals. The selected I
400 kHz. The EEPROM U5 M24C64 provides the USB address
of the board.
SET I/O VOLTAGE
2.8V (DEFAULT) OR 1.8V
CY68013 A MICROCONTROLLER:
2
PROVIDES USB-TO-I
C CONVERSION
Figure 9. Motherboard
Typically, the daughterboard is inserted directly into the 20-pin
header of the motherboard. For temperature measurements,
however, the ribbon cable provided with the evaluation kit must
be used to connect the motherboard and the daughterboard
because the Cypress CY68013A is not rated at −40°C.
2
C frequency is
Rev. A | Page 8 of 16
Evaluation Board User Guide
CONNECTS MOTHERBOARD
SIGNALS TO DAUGHTERBOARD
TORCH AND STROBE: USE PUSH-BUTTONS FOR
EXTERNAL TORCH OR FLASH. BUTTONS MUST
BE ENABLED FROM SOFTWARE GUI.
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