UPD70F3451GC-UBT-A Renesas Electronics America, UPD70F3451GC-UBT-A Datasheet - Page 912

• 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: -

910
Note The communication reservation operation executes a write to the IIC0 register when a stop condition
(Communication reservation)
interrupt request occurs.
Figure 17-15. Communication Reservation Flowchart
Yes
Note
Cancel communication
reservation
Define communication
reservation
MSTS0 = 0?
IIC0 ← ××H
STT0 = 1
Wait
DI
EI
User’s Manual U18279EJ3V0UD
No
CHAPTER 17 I
(Generate start condition)
2
C BUS
; Sets STT0 flag (communication reservation).
; Defines that communication reservation is in effect
; Gets wait period set by software (see Table 17-6).
; Confirmation of communication reservation
; Clear user flag.
; IIC0 write operation
(defines and sets user flag to any part of RAM).