DF36054GFPJ Renesas Electronics America, DF36054GFPJ Datasheet - Page 361

• Manufacturer Part Number: DF36054GFPJ
• Description: MCU 3/5V 32K J-TEMP POR&LVD 64-Q
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300H Tinyr

Specifications of DF36054GFPJ

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, SCI, SSU
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 45
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F36054GFPJ; HD64F36054GFPJ

15.5.3
Message Transmission Request: Figure 15.6 shows a transmission flowchart.
Message Transmission
Note: Processing in a shaded box requires setting by software.
Internal arbitration determination
Read 0 from MBn in TXACK
Transmission completed
Clear EMPI in TCIRR1 to 0
Update data in Mailbox n
TinyCAN in normal mode
Clear MBn in TXACK to 0
Write 1 to MBn in TXPR
CAN bus arbitration lost?
Clear MBn in TXPR to 0
Set MBn in TXACK to 1
Mailbox empty interrupt (EMPI)
EMPI in TCIRR1 = 1?
occurred (when EMPIM = 0)
Transmit processing for
Transmission pending?
MBn in TXACK = 1?
(MBn in MBCR = 0)
Mailbox n completed
Transmission start
Error detected or
Read TCIRR
(n = 1 to 3)
No
No
Yes
Yes
Figure 15.6 Transmission Request Flowchart
Yes
Yes
No
No
Read 1 from MBn in ABACK
Read 0 from MBn in ABACK
Clear EMPI in TCIRR1 to 0
Other interrupt processing
Clear MBn in ABACK to 0
MBn in TXCR = 1?
DART = 1?
Transmission canceled
or
Clear MBn in TXPR to 0
Clear MBn in TXCR to 0 (when MBn in TXCR = 1)
Set MBn in ABACK to 1
Mailbox empty interrupt (EMPI) occurred
(when EMPIM = 0)
Section 15 Controller Area Network for Tiny (TinyCAN)
Yes
No
Rev. 4.00 Mar. 15, 2006 Page 327 of 556
MBn in TXCR = 1?
Yes
REJ09B0026-0400
No