UPD78F0988AGC-8BS Renesas Electronics America, UPD78F0988AGC-8BS Datasheet - Page 314
UPD78F0988AGC-8BS
Manufacturer Part Number
UPD78F0988AGC-8BS
Description
Manufacturer
Renesas Electronics America
Datasheet
1.UPD78F0988AGC-8BS.pdf
(431 pages)
Specifications of UPD78F0988AGC-8BS
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18.3.3 On-board pin processing
dedicated flash programmer.
may be required in some cases.
312
When performing programming on the target system, provide a connector on the target system to connect the
An on-board function that allows switching between normal operation mode and flash memory programming mode
<V
A V
<Serial interface pin>
The following shows the pins used by the serial interface.
(1) Connect a pull-down resistor (RV
(2) Use the jumper on the board to switch the V
In normal operation mode, input 0 V to the V
V (TYP.) is supplied to the V
When connecting the dedicated flash programmer to a serial interface pin that is connected to another device on-
board, signal conflict or abnormal operation of the other devices may occur. Care must therefore be taken with
such connections.
PP
PP
pin>
pin connection example is shown below.
3-wire serial I/O (SIO3)
3-wire serial I/O (SIO3) with handshake
UART (UART00)
Pseudo 3-wire serial I/O
PD78F0988A
PP
Serial Interface
Figure 18-6. V
pin, so perform the following.
V
PP
PP
CHAPTER 18
= 10 k ) to the V
User’s Manual U13029EJ7V1UD
Connection pin of dedicated flash programmer
PP
pin. In flash memory programming mode, a write voltage of 10.0
PP
PP
Pin Connection Example
Pull-down resistor (RV
pin input to either the writer or directly to GND.
PD78F0988A
PP
SI, SO, SCK
SI, SO, SCK, P50 (HS)
RxD00, TxD00
P24, P25, P26
pin.
PP
Pins Used
)
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