UPD70F3451GC-UBT-A Renesas Electronics America, UPD70F3451GC-UBT-A Datasheet - Page 921

• 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: -

transfer is end. After that, the master device generates the stop condition or restart condition. This causes exit from
communications.
For reception, receive the required number of data and do not return ACK for the next data immediately after
No
No
No
Clear communication mode flag
Communication direction
Communication direction
Communication mode
Communication mode
ACKE0 = WTIM0 = 1
SPIE0 = 0, IICE0 = 1
Clear ready flag
Ready flag = 1?
IICCL0 ← XXH
SVA0 ← XXH
IICC0 ← XXH
IICX0 ← 0XH
IICF0 ← 0XH
Set IICRSV0
ACKD0 = 1?
WREL0 = 1
Write IIC0
Set ports
flag = 1?
flag = 1?
flag = 1?
flag = 1?
START
Figure 17-19. Slave Operation Flowchart (1)
Yes
Yes
Yes
Yes
Yes
No
User’s Manual U18279EJ3V0UD
No
No
Yes
Transmission
start
CHAPTER 17 I
See Table 4-14 Settings When Port Pins Are Used for Alternate Functions
to set the I
Transfer clock selection
Local address setting
Start condition setting
2
C mode before this function is used.
2
C BUS
No
Communication direction
Communication mode
Clear ready flag
Ready flag = 1?
WREL0 = 1
Read IIC0
flag = 1?
flag = 1?
Yes
Yes
Yes
No
No
Reception
start
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