UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 371
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
Available stocks
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Company:
Part Number:
UPD78F0034BGC-8BS-A
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RENESAS
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No
Transmit write data.
Prepare write data.
CHAPTER 18 SERIAL INTERFACE IIC0 ( PD780024AY, 780034AY SUBSERIES ONLY)
Transmission?
Clear INTIIC0.
Clear
Transfer end?
INTIIC0 = 1?
ACKD0 = 1?
INTIIC0 = 1?
ACKD0 = 1?
IIC0
TRC0 = 1?
INTIIC0.
C
B
Data
Yes
Yes
Yes
Yes
Yes
Yes
End (no acknowledgment)
Figure 18-21. Master Operation Flowchart (3/5)
No
No
No
No
Reception
User’s Manual U14046EJ5V0UD
Set error flag.
End
When writing data to EEPROM, continue
writing data.
When reading data from EEPROM, start
reception processing.
Prepare data to be written to EEPROM, and
transmit it to EEPROM.
Each time data has been transmitted, the
slave returns ACK. If any error occurs
before transmission of the necessary data is
completed, ACK may not be returned. In
this case, end transfer.
In the case of an error, set the error flag as
shown on the left, and release the bus.
369
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