UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 484

• Manufacturer Part Number: UPD78F0537DGA(T)-9EV-A
• Description: 8BIT MCU, 128K FLASH, 7KB RAM, SMD
• Manufacturer: NEC

Specifications of UPD78F0537DGA(T)-9EV-A

• Controller Family/series: UPD78
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

484
(1) Start condition ~ address
Note To cancel master wait, write “FFH” to IIC0 or set WREL0.
WREL0
INTIIC0
WREL0
INTIIC0
ACKD0
MSTS0
ACKD0
MSTS0
WTIM0
ACKE0
WTIM0
ACKE0
Transfer lines
Processing by slave device
Processing by master device
SPD0
TRC0
SDA0
SPD0
TRC0
STD0
SPT0
SCL0
STD0
SPT0
STT0
STT0
IIC0
IIC0
(When 8-Clock Wait Is Selected for Master, 9-Clock Wait Is Selected for Slave) (1/3)
H
H
H
L
L
L
L
L
Start condition
L
IIC0
AD6 AD5 AD4 AD3 AD2 AD1 AD0
1
Figure 17-28. Example of Slave to Master Communication
←
2
address
3
CHAPTER 17 SERIAL INTERFACE IIC0
4
User’s Manual U17260EJ6V0UD
5
6
7
8
R
ACK
9
IIC0
D7
1
IIC0
←
Note
data
←
D6
2
FFH Note
D5
3
D4
4
D3
5
D2
6