UPD78F0500AMC-CAB-AX Renesas Electronics America, UPD78F0500AMC-CAB-AX Datasheet - Page 589

• Manufacturer Part Number: UPD78F0500AMC-CAB-AX
• Description: MCU 8BIT 30SSOP
• Manufacturer: Renesas Electronics America
• Series: 78K0/Kx2r

Specifications of UPD78F0500AMC-CAB-AX

• Core Processor: 78K/0
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

78K0/Kx2
R01UH0008EJ0401 Rev.4.01
Jul 15, 2010
Remarks 1. Conform to the specifications of the product that is communicating, with respect to the transmission and
2. To use the device as a master in a multi-master system, read the MSTS0 bit each time interrupt INTIIC0
3. To use the device as a slave in a multi-master system, check the status by using the IICS0 and IICF0
reception formats.
has occurred to check the arbitration result.
registers each time interrupt INTIIC0 has occurred, and determine the processing to be performed next.
No
No
EXC0 = 1 or COI0 = 1?
interrupt occurs?
interrupt occurs?
Slave operation
Transfer end?
MSTS0 = 1?
ACKD0 = 1?
MSTS0 = 1?
ACKD0 = 1?
Writing IIC0
Writing IIC0
TRC0 = 1?
WTIM0 = 1
STT0 = 1
Restart?
INTIIC0
INTIIC0
Figure 18-24. Master Operation in Multi-Master System (3/3)
C
C
2
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
Starts communication
(specifies an address and transfer direction).
Starts transmission.
Waits for detection of ACK.
Waits for data transmission.
Does not participate
in communication.
SPT0 = 1
END
2
2
1
CHAPTER 18 SERIAL INTERFACE IIC0
WTIM0 = WREL0 = 1
interrupt occurs?
interrupt occurs?
Transfer end?
MSTS0 = 1?
Reading IIC0
MSTS0 = 1?
WREL0 = 1
ACKE0 = 1
WTIM0 = 0
ACKE0 = 0
INTIIC0
INTIIC0
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Starts reception.
Waits for data reception.
Waits for detection of ACK.
2
2
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