UPD70F3771GF-GAT-AX Renesas Electronics America, UPD70F3771GF-GAT-AX Datasheet - Page 874

• Manufacturer Part Number: UPD70F3771GF-GAT-AX
• Description: MCU 32BIT V850ES/JX3-H 128-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Jx3-Hr

Specifications of UPD70F3771GF-GAT-AX

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 48MHz
• Connectivity: CAN, CSI, EBI/EMI, I²C, UART/USART, USB
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 96
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 40K x 8
• Voltage - Supply (vcc/vdd): 2.85 V ~ 3.6 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

V850ES/JG3-H, V850ES/JH3-H
R01UH0042EJ0400 Rev.4.00
Sep 30, 2010
The communication reservation flowchart is illustrated below.
(Communication reservation)
Note The communication reservation operation executes a write to the IICn register when a stop
Remark
condition interrupt request occurs.
n = 0 to 2
Figure 19-17. Communication Reservation Flowchart
Yes
Note
Cancel communication
reservation
Define communication
reservation
IICn register
MSTSn bit = 0?
SET1 STTn
Wait
DI
EI
No
(Generate start condition)
←
xxH
Sets STTn bit (communication reservation).
Defines that communication reservation is in effect
(defines and sets user flag to any RAM).
Secures wait period set by software (see Table 19-6).
Confirmation of communication reservation
Clears user flag.
IICn register write operation
CHAPTER 19 I
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C BUS