UPD78F1144AGB-GAH-AX Renesas Electronics America, UPD78F1144AGB-GAH-AX Datasheet - Page 543

• 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: -

(2) Data
Notes 1. Write data to IIC0, not setting WREL0, in order to cancel a wait state during master transmission.
WREL0
INTIIC0
WREL0
INTIIC0
ACKD0
MSTS0
ACKD0
MSTS0
ACKE0
ACKE0
Processing by master device
WTIM0
WTIM0
Transfer lines
Processing by slave device
SPD0
TRC0
SDA0
SPD0
TRC0
STD0
SPT0
SCL0
STD0
SPT0
STT0
STT0
IIC0
IIC0
2. To cancel a slave wait state, write “FFH” to IIC0 or set WREL0.
D0
8
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
ACK
Transmitting
9
Receiving
(When 9-Clock Wait Is Selected for Both Master and Slave) (2/3)
Figure 12-28. Example of Master to Slave Communication
IIC0
IIC0
D7
Note 2
1
←
←
data Note 1
CHAPTER 12 SERIAL INTERFACE IIC0
D6
FFH Note 2
2
D5
3
User’s Manual U17854EJ9V0UD
D4
4
D3
5
D2
6
D1
7
D0
8
ACK
9
IIC0
←
IIC0
data Note 1
D7
Note 2
1
←
D6
FFH Note 2
2
D5
3
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