Renesas M16C/64A Series User Manual page 643

M16C/64A Group
CEC
Set to 0 by a program
CTXDEN bit
CTFLG bit
CTD8FLG bit
IR bit in the
CEC1IC register
CCTB1 register
Rewritable period
by a program
CCTBE bit
0
Rewritable period
by a program
CCTBA bit
CRXDEN bit
CRFLG bit
CRSTFLG bit
CRD8FLG bit
IR bit in the
CEC2IC register
CCRB1 register
CCRBE bit
CCRBAI bit
Bits CTXDEN and CRXDEN: Bits in the CECC3 register
Bits CTFLG, CTD8FLG, CRFLG, CRD8FLG, and CRSTFLG: Bits in the CECFLG register
Bits CCTBE and CCTBA: Bits in the CCTB2 register
Bits CCRBE and CCRBAI: Bits in the CCRB2 register
The above diagram applies under the following conditions:
The CTISEL0 bit in the CISEL register is set to 1 (8th bit transmit interrupt enabled).
The CTISEL1 bit in the CISEL register is set to 0 (10th bit transmit interrupt disabled).
The CEOMI bit in the CECC3 register is set to 0 (EOM enabled).
The CFIL bit in the CECC2 register is set to 0 (filter disabled).
The CRISEL0 bit in the CISEL register is set to 0 (8th bit receive interrupt disabled).
The CRISEL1 bit in the CISEL register is set to 1 (10th bit receive interrupt enabled).
The CRISELS bit in the CISEL register is set to 1 (reception start bit interrupt enabled).
Figure 26.15 Transmission Example
R01UH0136EJ0210 Rev.2.10
Jul 31, 2012
Header block
ST H7 H6 H1
Transmission starts at the rising
edge of the count source
(Do not rewrite)
(Do not rewrite)
Undefined
Set to 0 by acceptance of
an interrupt or by a program
Undefined
Undefined
Undefined
26. Consumer Electronics Control (CEC) Function
H0 EOM ACK D7 D6
Set to 0 by acceptance of
an interrupt or by a program
(Do not rewrite)
Rewritable period
by a program
1 (Do not rewrite)
Rewritable period by
a program
Header block ACK
Set to 0 by acceptance of an
interrupt or by a program
Header block data
Data block
D1 D0 EOM ACK
Rewritable period
by a program
Rewritable period
by a program
Data block ACK
Data block data
Header block EOM
Data block EOM
Header block ACK
Data block ACK
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Set to 0 by
a program