upd78f0134hgka1-9et-a Renesas Electronics Corporation., upd78f0134hgka1-9et-a Datasheet - Page 445

• Manufacturer Part Number: upd78f0134hgka1-9et-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

(2) Malfunction of other device
If the dedicated flash programmer (output or input) is connected to a pin (input or output) of a serial interface
connected to another device (input), a signal may be output to the other device, causing the device to
malfunction. To avoid this malfunction, isolate the connection with the other device.
78K0/KE1+
78K0/KE1+
Pin
Pin
If the signal output by the 78K0/KE1+ in the flash memory programming
mode affects the other device, isolate the signal of the other device.
If the signal output by the dedicated flash programmer in the flash memory
programming mode affects the other device, isolate the signal of the other
device.
Figure 26-13. Malfunction of Other Device
CHAPTER 26 FLASH MEMORY
User’s Manual U16899EJ3V0UD
Dedicated flash programmer
connection pin
Dedicated flash programmer
connection pin
Other device
Other device
Input pin
Input pin
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