R01UH0136EJ0210 Rev.2.10
Page 607 of 800
Jul 31, 2012
M16C/64A Group
26. Consumer Electronics Control (CEC) Function
Figure 26.11 Reception Example (Change from Error Low Pulse Output Disabled to Enabled When
an Error Occurs)
Become 0 in
synchronization with
the count source
Set to 0 by a program
Header block
IR bit
CRERRFLG bit
CRFLG bit
CABTEN bit
CEC
ST
Error
low pulse
H7
The above diagram applies under the following conditions.
y
The CFIL bit in the CECC2 register is 0 (filter disabled)
y
The CRISEL2 bit in the CISEL register is 1 (receive error interrupt enabled)
y
The CRISELS bit in the CISEL register is 0 (reception start bit interrupt disabled)
CRXDEN bit: Bit in the CECC3 register
CABTEN bit: Bit in the CECC4 register
Bits CRFLG, CRERRFLG, and CRSTFLG: Bits in the CECFLG register
IR bit: Bit in the CEC2IC register
Bits CCRBE and CCRBAI: Bits in the CCRB2 register
CCRBE bit
CCRBAI bit
H3
Receive error occurs
Undefined
CCRB1 register
Undefined
Undefined
CRSTFLG bit
Set to 0 by acceptance of an
interrupt or by a program
0
CRXDEN bit
H2
Become 0 in
synchronization with
the count source
Change in synchronization
with the count source
Summary of Contents for M16C/60 Series
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