UPD78F1144AGB-GAH-AX Renesas Electronics America, UPD78F1144AGB-GAH-AX Datasheet - Page 545

• Manufacturer Part Number: UPD78F1144AGB-GAH-AX
• Description: MCU 16BIT 78K0R/KX3 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Kx3r

Specifications of UPD78F1144AGB-GAH-AX

• Core Processor: 78K/0R
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

(1) Start condition ~ address
Notes 1. To cancel a master wait state, write “FFH” to IIC0 or set WREL0.
WREL0
INTIIC0
WREL0
INTIIC0
ACKD0
ACKE0
MSTS0
ACKD0
ACKE0
MSTS0
WTIM0
WTIM0
Processing by master device
Transfer lines
Processing by slave device
SPD0
TRC0
SDA0
SPD0
TRC0
STD0
STD0
STT0
SPT0
SCL0
STT0
SPT0
IIC0
IIC0
2. Write data to IIC0, not setting WREL0, in order to cancel a wait state during slave transmission.
(When 8-Clock Wait Is Selected for Master, 9-Clock Wait Is Selected for Slave) (1/3)
L
H
H
H
L
L
L
L
L
IIC0
AD6 AD5 AD4 AD3 AD2 AD1 AD0
Figure 12-29. Example of Slave to Master Communication
1
←
Receiving
address
2
Transmitting
3
CHAPTER 12 SERIAL INTERFACE IIC0
4
User’s Manual U17854EJ9V0UD
5
6
7
R
8
ACK
9
IIC0
IIC0
Receiving
D7
←
Note 1
1
data Note 2
←
Transmitting
FFH Note 1
D6
2
D5
3
D4
4
D3
5
D2
6
543