UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 481

• 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

(1) Start condition ~ address
Note To cancel slave wait, write “FFH” to IIC0 or set WREL0.
WREL0
INTIIC0
WREL0
INTIIC0
ACKD0
ACKE0
MSTS0
ACKD0
ACKE0
MSTS0
WTIM0
WTIM0
Transfer lines
Processing by master device
Processing by slave device
SPD0
TRC0
SDA0
SPD0
TRC0
STD0
STD0
STT0
SPT0
SCL0
STT0
SPT0
IIC0
IIC0
Start condition
H
H
H
H
H
L
L
L
L
L
L
Receive
IIC0
(When 9-Clock Wait Is Selected for Both Master and Slave) (1/3)
Transmit
AD6 AD5 AD4 AD3 AD2 AD1 AD0
1
Figure 17-27. Example of Master to Slave Communication
←
address
2
3
CHAPTER 17 SERIAL INTERFACE IIC0
4
User’s Manual U17260EJ6V0UD
5
(When EXC0 = 1)
6
7
W
8
ACK
9
IIC0
D7
1
IIC0
←
Note
D6
2
←
data
FFH
D5
3
Note
D4
4
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