UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 457
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UPD78F0034BGC-8BS-A
Manufacturer Part Number
UPD78F0034BGC-8BS-A
Description
MCU 8-Bit 78K0 CISC 32KB Flash 2.5V/3.3V/5V 64-Pin LQFP
Manufacturer
Renesas Electronics America
Datasheet
1.UPD78F0034BGK-9ET-A.pdf
(605 pages)
Specifications of UPD78F0034BGC-8BS-A
Package
64LQFP
Family Name
78K0
Maximum Speed
12 MHz
Ram Size
1 KB
Program Memory Size
32 KB
Operating Supply Voltage
2.5|3.3|5 V
Data Bus Width
8 Bit
Program Memory Type
Flash
Number Of Programmable I/os
51
Interface Type
3-Wire/UART
On-chip Adc
8-chx10-bit
Operating Temperature
-40 to 85 °C
Number Of Timers
3
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Part Number:
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23.5.3 On-board pin processing
dedicated flash programmer.
may be required in some cases.
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
<Serial interface pin>
In normal operation mode, input 0 V to the V
V (TYP.) is supplied to the V
A V
The following shows the pins used by the serial interface.
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 device may occur. Care must therefore be taken with
such connections.
PP
(1) Connect a pull-down resistor (RV
(2) Use the jumper on the board to switch the V
PP
pin>
pin connection example is shown below.
PD78F0034A, 78F0034B, 78F0034AY, 78F0034BY
Notes 1.
3-wire serial I/O (SIO30)
3-wire serial I/O (SIO31)
3-wire serial I/O (SIO30)
with handshake
I
UART (UART0)
Pseudo 3-wire serial I/O
2
CHAPTER 23
C bus (IIC0)
Serial Interface
2.
3.
PP
PD78F0034A, 78F0034B only
PD78F0034B, 78F0034BY only
PD78F0034AY, 78F0034BY only
Figure 23-5. V
pin, so perform the following.
Note 3
Note 2
PD78F0034A, 78F0034B, 78F0034AY, 78F0034BY
User’s Manual U14046EJ5V0UD
PP
V
Note 1
PP
= 10 k ) to the V
PP
PP
pin. In flash memory programming mode, a write voltage of 10.0
SI30/P20, SO30/P21, SCK30/P22
SI31/P34, SO31/P35, SCK31/P36
SI30/P20, SO30/P21, SCK30/P22, HS/P25
SDA0/P32, SCL0/P33
R
P70/TI00/TO0 (serial data input),
P71/TI01 (serial data output),
P72/TI50/TO50 (serial clock input)
Pin Connection Example
X
D0/P23, T
PP
pin input to either the programmer or directly to GND.
Pull-down resistor
X
D0/P24
Connection pin of dedicated
PP
pin.
Pins Used
flash programmer
(RV
PP
)
455
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