UPD78F1009GB-GAH-AX Renesas Electronics America, UPD78F1009GB-GAH-AX Datasheet - Page 801

• Manufacturer Part Number: UPD78F1009GB-GAH-AX
• Description: MCU 16BIT 78K0R/KX3-L 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Kx3-Lr

Specifications of UPD78F1009GB-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: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 3K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

78K0R/Kx3-L
R01UH0106EJ0300 Rev.3.00
Oct 01, 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 MSTS bit each time interrupt INTIICA
3. To use the device as a slave in a multi-master system, check the status by using the IICA status register
reception formats.
has occurred to check the arbitration result.
(IICS) and IICA flag register (IICF) each time interrupt INTIICA has occurred, and determine the
processing to be performed next.
No
No
EXC = 1 or COI = 1?
interrupt occurs?
interrupt occurs?
Slave operation
Transfer end?
Writing IICA
Writing IICA
MSTS = 1?
ACKD = 1?
MSTS = 1?
ACKD = 1?
TRC = 1?
WTIM = 1
Restart?
INTIICA
INTIICA
STT = 1
Figure 15-29. 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.
SPT = 1
END
2
2
1
CHAPTER 15 SERIAL INTERFACE IICA
WTIM = WREL = 1
interrupt occurs?
interrupt occurs?
Transfer end?
Reading IICA
MSTS = 1?
MSTS = 1?
WREL = 1
ACKE = 1
WTIM = 0
ACKE = 0
INTIICA
INTIICA
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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