upd78f0114m6gb-8es Renesas Electronics Corporation., upd78f0114m6gb-8es Datasheet - Page 393

• Manufacturer Part Number: upd78f0114m6gb-8es
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

23.5
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 handled as described below.
23.5.1 V
to the V
(1) Connect pull-down resistor R
(2) Switch the input of the V
To write the flash memory on-board, connectors that connect the dedicated flash programmer must be provided on
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, connect the V
Handling of Pins on Board
PP
PP
pin in the flash memory programming mode. Perform the following pin handling.
pin
PP
µ
PD78F0114
pin to the programmer side by using a jumper on the board or to GND directly.
Figure 23-13. Example of Connection of V
VPP
= 10 kΩ to the V
V
PP
CHAPTER 23
User’s Manual U16227EJ3V0UD
PP
Dedicated flash programmer connection pin
pin to V
PP
Pull-down resistor (R
pin.
SS
. In addition, a write voltage of 10.0 V (TYP.) is supplied
PD78F0114
VPP
)
PP
Pin
393