UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 486

• 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

486
(3) Stop condition
WREL0
INTIIC0
WREL0
INTIIC0
ACKD0
MSTS0
ACKD0
MSTS0
ACKE0
ACKE0
WTIM0
WTIM0
Note To cancel master wait, write “FFH” to IIC0 or set WREL0.
Processing by master device
Transfer lines
Processing by slave device
SPD0
TRC0
SDA0
SPD0
TRC0
STD0
SPT0
SCL0
STD0
SPT0
(When 8-Clock and 9-Clock Wait Is Selected for Master, 9-Clock Wait Is Selected for Slave) (3/3)
STT0
STT0
IIC0
IIC0
H
H
L
L
L
IIC0
Figure 17-28. Example of Slave to Master Communication
D7
←
1
IIC0
data
Note
← FFH
D6
2
CHAPTER 17 SERIAL INTERFACE IIC0
D5
3
Note
D4
User’s Manual U17260EJ6V0UD
4
D3
5
D2
6
D1
7
D0
8
NACK
9
condition
Stop
(When SPIE0 = 1)
(When SPIE0 = 1)
IIC0
condition
←
Start
address
AD6
1