MC-78F0712-KIT Renesas Electronics America, MC-78F0712-KIT Datasheet - Page 320

• Manufacturer Part Number: MC-78F0712-KIT
• Description: KIT REF SYSTEM 78K0 UPD78F0712
• Manufacturer: Renesas Electronics America

Specifications of MC-78F0712-KIT

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

22.5.4 RESET pin
the reset signal generator on the board, signal collision takes place. To prevent this collision, isolate the connection
with the reset signal generator.
memory will not be correctly programmed. Do not input any signal other than the reset signal of the dedicated flash
memory programmer.
22.5.5 Port pins
same status as that immediately after reset. If external devices connected to the ports do not recognize the port
status immediately after reset, the port pin must be connected to V
22.5.6 Other signal pins
and its inverse signal to X2.
Caution When using the internal high-speed oscillation clock, be sure to input the operating clock from the
22.5.7 Power supply
programmer, and the V
318
If the reset signal of the dedicated flash memory programmer is connected to the RESET pin that is connected to
If the reset signal is input from the user system while the flash memory programming mode is set, the flash
When the flash memory programming mode is set, all the pins not used for flash memory programming enter the
Connect X1 and X2 in the same status as in the normal operation mode when using the on-board clock.
To input the operating clock from the programmer, however, connect the clock out (CLK) of the programmer to X1,
To use the supply voltage output of the flash memory programmer, connect the V
To use the on-board supply voltage, connect in compliance with the normal operation mode.
Supply the same other power supplies (AV
programmer.
PD78F0711,
PD78F0712
SS
RESET
pin to V
In the flash memory programming mode, the signal output by the reset
signal generator collides with the signal output by the dedicated flash
memory programmer. Therefore, isolate the signal of the reset signal
generator.
SS
of the flash memory programmer.
Figure 22-9. Signal Collision (RESET Pin)
Signal collision
CHAPTER 22 FLASH MEMORY
REF
User’s Manual U17890EJ2V0UD
and AV
SS
Reset signal generator
) as those in the normal operation mode.
Dedicated flash memory
programmer connection signal
Output pin
DD
or V
SS
via a resistor.
DD
pin to V
DD
of the flash memory