UPD78F0535GB(T)-UEU-A NEC, UPD78F0535GB(T)-UEU-A Datasheet - Page 482

• Manufacturer Part Number: UPD78F0535GB(T)-UEU-A
• Description: 8BIT MCU, 60K FLASH, 3KB RAM, LQFP
• Manufacturer: NEC

Specifications of UPD78F0535GB(T)-UEU-A

• Controller Family/series: UPD78
• No. Of I/o's: 55
• Ram Memory Size: 3KB
• Cpu Speed: 20MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 60KB
• Oscillator Type: External, Internal

482
(2) Data
WREL0
INTIIC0
WREL0
INTIIC0
Note To cancel slave wait, write “FFH” to IIC0 or set WREL0.
ACKD0
ACKE0
MSTS0
ACKD0
ACKE0
MSTS0
WTIM0
WTIM0
Processing by slave device
Transfer lines
Processing by master device
SPD0
TRC0
SDA0
SPD0
TRC0
STD0
STD0
SPT0
SCL0
SPT0
STT0
STT0
IIC0
IIC0
D0
8
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
ACK
Receive
Transmit
9
(When 9-Clock Wait Is Selected for Both Master and Slave) (2/3)
Figure 17-27. Example of Master to Slave Communication
IIC0
D7
←
1
IIC0
data
Note
D6
←
2
CHAPTER 17 SERIAL INTERFACE IIC0
FFH
D5
3
User’s Manual U17260EJ6V0UD
Note
D4
4
D3
5
D2
6
D1
7
D0
8
ACK
9
IIC0
←
D7
data
1
IIC0
Note
D6
←
2
FFH
D5
3
Note