UPD70F3771GF-GAT-AX Renesas Electronics America, UPD70F3771GF-GAT-AX Datasheet - Page 1021

• 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
register = 000B).
R01UH0042EJ0400 Rev.4.00
Sep 30, 2010
Figure 20-40 shows the processing for a transmit message buffer during transmission (MT2 to MT0 bits of C0MCONFm
Set C0MDATAxm,
C0MDLCm registers.
Clear RTR bit of C0MCONFm
register.
Set C0MIDLm and C0MIDHm
registers.
Figure 20-40. Message Buffer Redefinition during Transmission
Data frame
Data frame
Wait for a 1-bit period of CAN data.
Data frame or remote frame?
Wait for 1CAN data bits
Transmit abort process
Transmit abort process
CLEAR_RDY bit = 0
CLEAR_TRQ bit = 0
CLEAR_RDY bit = 1
SET_RDY bit = 1
SET_TRQ bit = 1
SET_RDY bit = 0
Clear RDY bit.
Set RDY bit.
Set TRQ bit.
RDY bit = 0?
Transmit?
Transmit?
RDY = 0?
START
START
END
END
Yes
Yes
Yes
Yes
= 1
No
No
Set C0MDLCm register.
Set RTR bit of C0MCONFm
register.
Set C0MIDLm and C0MIDHm
registers.
No
No
Remote frame
Remote frame
CHAPTER 20 CAN CONTROLLER
Page 1021 of 1509