DF2556FC20DV Renesas Electronics America, DF2556FC20DV Datasheet - Page 694
DF2556FC20DV
Manufacturer Part Number
DF2556FC20DV
Description
IC H8S/2556 MCU FLASH 144QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2500r
Specifications of DF2556FC20DV
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
104
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section 18 Controller Area Network (HCAN) [H8S/2556 Group]
MBIMR15) corresponding to the mailbox interrupt mask register (MBIMR) and interrupt mask
register (IMR), interrupts may be sent to the CPU.
However, a transmit wait message cannot be canceled at the following times:
• During internal arbitration or CAN bus arbitration
• During data frame or remote frame transmission
Figure 18.10 shows a flowchart for transmit message cancellation.
Rev. 6.00 Sep. 24, 2009 Page 646 of 928
REJ09B0099-0600
Message transmit wait TXPR setting
End of transmission/transmission
Set TXCR bit corresponding to
Figure 18.10 Transmit Message Cancellation Flowchart
message to be canceled
Cancellation possible?
Clear TXCR, TXPR
Message not sent
Interrupt to CPU
Clear ABACK
Clear TXACK
cancellation
ABACK = 1
Clear IRR8
IMR8 = 1?
IRR8 = 1
Yes
No
Yes
Completion of message transmission
No
Clear TXCR, TXPR
TXACK = 1
IRR8 = 1
: Settings by user
: Processing by hardware
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