UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 396

• 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

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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Note To cancel slave wait, write “FFH” to IIC0 or set WREL0.
WREL0
INTIIC0
WREL0
INTIIC0
ACKD0
ACKE0
MSTS0
ACKD0
ACKE0
MSTS0
WTIM0
WTIM0
Processing by master device
Transfer lines
Processing by slave device
SPD0
TRC0
SDA0
SPD0
TRC0
STD0
STD0
STT0
SPT0
SCL0
STT0
SPT0
IIC0
IIC0
CHAPTER 18 SERIAL INTERFACE IIC0 ( PD780024AY, 780034AY SUBSERIES ONLY)
Figure 18-23. Example of Master to Slave Communication
L
H
H
L
L
L
L
H
H
H
Start condition
L
Receive
IIC0
A6
Transmit
1
address
(When 9-Clock Wait Is Selected for Both Master and Slave) (1/3)
A5
2
A4
3
A3
4
(1) Start condition ~ address
User’s Manual U14046EJ5V0UD
A2
5
(When EXC0 = 1)
A1
6
A0
7
W
8
ACK
9
IIC0
D7
1
IIC0
Note
data
D6
2
FFH
D5
3
Note
D4
4