HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 720
HD64F2638F20J
Manufacturer Part Number
HD64F2638F20J
Description
IC H8S MCU FLASH 256K 128-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2638F20J
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI, SmartCard
Peripherals
Motor Control PWM, POR, PWM, WDT
Number Of I /o
72
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
128-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Section 16 Controller Area Network (HCAN)
Page 670 of 1458
complete register (RXPR) has been cleared, the unread message register (UMSR) is set. If the
unread interrupt flag (IRR9) in the interrupt mask register (IMR) is set to the interrupt enable
value at this time, an interrupt can be sent to the CPU. Figure 16-10 shows a flowchart of
unread message overwriting.
Message control/message data read
Unread message overwrite
Interrupt to CPU
Figure 16-10 Unread Message Overwrite Flowchart
Clear IRR9
UMSR = 1
IMR9 = 1?
IRR9 = 1
End
No
Yes
: Settings by user
: Processing by hardware
H8S/2639, H8S/2638, H8S/2636,
REJ09B0103-0800 Rev. 8.00
H8S/2630, H8S/2635 Group
May 28, 2010
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