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CHAPTER 14 FLASH MEMORY ( µ PD70F3008 AND 70F3008Y ONLY)
14.4 Communication System
The communication between the dedicated flash writer and the V854 is performed by serial communication using
UART or CSI0.
(1) UART
Transfer rate: 1200 to 76800 bps (LSB first)
Dedicated flash writer
(2) CSI0
Transfer rate: up to 8.25 Mbps (MSB first)
Dedicated flash writer
The dedicated flash writer outputs the transfer clock, and the V854 operates as a slave.
When Flashpro II is used as the dedicated flash writer, it generates the following signals to the V854. For the details,
refer to the Flashpro II manual.
Remark Flashpro II is a product of Naitou Densei Machidaseisakusho Co., Ltd.
V
PP
V
DD
V
SS
RESET
TXD
V854
RXD
Clock
V
PP
V
DD
V
SS
RESET
SO0
SI0
SCK0
Clock
User's Manual U11969EJ3V0UM00
V854
385
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