upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 458

• Manufacturer Part Number: upd78f0730
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

19.6 Connection of Pins on Board
provided on the target system. First provide a function that selects the normal operation mode or flash memory
programming mode on the board.
the same status as immediately after reset. Therefore, if the external device does not recognize the state immediately
after reset, the pins must be connected as described below.
19.6.1 FLMD0 pin
write voltage is supplied to the FLMD0 pin. An FLMD0 pin connection example is shown below.
19.6.2 Serial interface pins
device on the board, care must be exercised so that signals do not collide or that the other device does not
malfunction.
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To write the flash memory on-board, connectors that connect the dedicated flash memory programmer must be
When the flash memory programming mode is set, all the pins not used for programming the flash memory are in
In the normal operation mode, 0 V is input to the FLMD0 pin. In the flash memory programming mode, the V
The pins used by each serial interface are listed below.
To connect the dedicated flash memory programmer to the pins of a serial interface that is connected to another
memory programmer
Dedicated flash
Bxxxxx
Cxxxxxx
Axxxx
PG-FP4
CSI10
UART6
STATVE
Table 19-3. Pins Used by Each Serial Interface
Figure 19-8. FLMD0 Pin Connection Example
Serial Interface
Preliminary User’s Manual U19014EJ1V0UD
CHAPTER 19 FLASH MEMORY
/RESET
SO/TxD
CLK
FLMD0
SI/RxD
GND
V
Note
DD
SO10, SI10, SCK10
TxD6, RxD6
Pins Used
V
V
RESET
TxD6
RxD6
EXCLK
FLMD0
DD
SS
/EV
/EV
SS
DD
Note
µ
PD78F0730
DD