Section
Page
Description
15.3.7 Interrupt
583
IRR3
Error warning interrupt (TEC
≥
96)
Interface
IRR4
Error warning interrupt (REC
≥
96)
Table 15-5 HCAN
Interrupt Sources
IRR7
Overload frame transmission interrupt
15.5 Usage Notes
9. HTxD pin output
in error passive state
10. Transition to
HCAN sleep mode
11. Message
transmission
cancellation (TxCR)
12. TxCR in the bus
off state
587
Newly added
9.
HTxD pin output in error passive state
If the HRxD pin becomes fixed at 1 during message transmission or
reception when the HCAN is in the error active state, the HTxD pin will
output 0 continuously while in the error passive state. To stop continuous 0
output to the CAN bus, disable the HCAN by means of an error warning
interrupt or by setting the HCAN module stop mode through detection of a
fixed 1 state by the HxRD pin monitor.
10. Transition to HCAN sleep mode
The HCAN stops (transmission/reception stops) when MCR0 is cleared to 0
immediately after an HCAN sleep mode transition effected by setting TXPR
of the HCAN to 1 and setting MCR5 to 1. When a transition is made to the
HCAN sleep mode by means of the above steps, a 10-cycle wait should be
inserted after the TxPR setting. After an HCAN sleep mode transition,
release the HCAN sleep mode by clearing MCR5 to 0.
11. Message transmission cancellation (TxCR)
If all the following conditions are met when cancellation of a transmission
message is performed by means of TxCR of the HCAN, the TxCR or TxPR
bit indicating cancellation is not cleared even though internal transmission
is canceled.
When canceling a message using TxCR, 1 should be written continuously
until TxCR or TxPR becomes 0.
12. TxCR in the bus off state
If TxPR is set before the HCAN goes to the bus off state, and a transition is
made to the bus off state with transmission incomplete, cancellation will be
performed even if TxCR is set during the bus off period, and the message
will be transmitted after a transition to the error active state.
18.1.4 Register
Configuration
Table 18-2 LCD
Controller/Driver
Registers
633
LCD RAM
—
R/W
Undefined
H'FC40 to H'FC53
Module stop control
register D
MSTPCRD
R/W
B'11
******
H'FC60
Note
*
2 deleted
22.6.3 Setting
Oscillation
Stabilization Time
after Clearing
Software Standby
Mode
743
Note amended
Note:
*
Do not use this setting.
Summary of Contents for H8S/2645
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