h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 432

• Manufacturer Part Number: h8s-2628
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 15 Controller Area Network (HCAN)
15.3.14 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.
15.3.15 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.
Rev. 3.00 Oct 04, 2005 page 392 of 598
REJ09B0155-0300
Bit
7 to
5
4
3, 2
1
0
Bit Name
IMR12
IMR9
IMR8
Initial Value
All 1
1
All 1
1
1
R/W
R
R/W
R
R/W
R/W
Description
Reserved
These bits are always read as 1. The write value
should always be 0.
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 0.
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.