UPD70F3451GC-UBT-A Renesas Electronics America, UPD70F3451GC-UBT-A Datasheet - Page 919

• Manufacturer Part Number: UPD70F3451GC-UBT-A
• Description: MCU 32BIT 128KB FLASH 80LQFP
• Manufacturer: Renesas Electronics America
• Series: V850E/Ix3r

Specifications of UPD70F3451GC-UBT-A

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 64MHz
• Connectivity: CSI, I²C, UART/USART
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 44
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3.5 V ~ 5.5 V
• Data Converters: A/D 10x12b, 4x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Remarks 1. Conform the transmission and reception formats to the specifications of the product in
2. When using the V850E/IF3 and V850E/IG3 as the master in the multimaster system, read the
3. When using the V850E/IF3 and V850E/IG3 as the slave in the multimaster system, confirm the
communication.
IICS0.MSTS0 bit for each INTIIC interrupt occurrence to confirm the arbitration result.
status using the IICS0 and IICF0 registers for each INTIIC interrupt occurrence to determine the
next processing.
No
No
EXC0 = 1 or COI0 = 1?
Not in communication
interrupt occurred?
interrupt occurred?
Transfer ended?
Figure 17-17. Master Operation in Multimaster System (3/3)
MSTS0 = 1?
ACKD0 = 1?
MSTS0 = 1?
ACKD0 = 1?
TRC0 = 1?
WTIM0 = 1
Restarted?
Write IIC0
Write IIC0
STT0 = 1
INTIIC
INTIIC
C
C
1
2
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
Communication start
(address, transfer direction specification)
Transmission start
Waiting for ACK detection
Waiting for data transmission
User’s Manual U18279EJ3V0UD
Slave operation
CHAPTER 17 I
SPT0 = 1
END
2
2
2
C BUS
WTIM0 = WREL0 = 1
interrupt occurred?
interrupt occurred?
Transfer ended?
MSTS0 = 1?
MSTS0 = 1?
ACKE0 = 1
WTIM0 = 0
WREL0 = 1
ACKE0 = 0
Read IIC0
INTIIC
INTIIC
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Waiting for ACK detection
Reception start
Waiting for data
transmission
2
2
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