h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 481
h8s-2649
Manufacturer Part Number
h8s-2649
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2649.pdf
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14.3.14 Receive Error Counter (REC)
The receive error counter (REC) is an 8-bit read-only register that functions as a counter indicating
the number of receive message errors on the CAN bus. The count value is stipulated in the CAN
protocol.
14.3.15 Transmit Error Counter (TEC)
The transmit error counter (TEC) is an 8-bit read-only register that functions as a counter
indicating the number of transmit message errors on the CAN bus. The count value is stipulated in
the CAN protocol.
Bit
4
3, 2
1
0
Bit Name
IMR12
IMR9
IMR8
Initial
Value
1
All 1
1
1
R/W
R/W
R
R/W
R/W
Description
Bus Operation Interrupt Mask
When this bit is cleared to 0, an interrupt request by
IRR12 (OVR0) is enabled. When set to 1, it is masked.
Reserved
These bits are always read as 1. The write value should
always be 1.
Unread Interrupt Mask
When this bit is cleared to 0, an interrupt request by
IRR9 (OVR0) is enabled. When set to 1, it is masked.
Mailbox Empty Interrupt Mask
When this bit is cleared to 0, an interrupt request by
IRR8 (SLE0) is enabled. When set to 1, it is masked.
Section 14 Controller Area Network (HCAN)
Rev. 2.00 Dec. 05, 2005 Page 443 of 724
REJ09B0200-0200
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