Renesas M16C/29 Series Hardware Manual page 272

M16C/29 Group
2
I C0 status register
b7 b6 b5 b4 b3
2
Figure 16.5 I C0 status register
Rev.1.00 Nov 01,2004
REJ09B0101-0100Z
b2 b1 b0
Symbol
S10
Bit Symbol
Last receive bit
LRB
General call detecting flag
ADR0
AAS Slave address comparison flag
Arbitration lost detection flag
AL
2
PIN I C bus interface interrupt
request bit
Bus busy flag
BB
Communication mode
TRX
specification bits
MST
Note 1: This bit is read only if it is used for the status check.
To write to this bit, refer to Sections 16.9 START Condition Generation Method and
16.11 STOP Condition Generation Method.
Note 2: This bit is read only, When write, set to "0".
Note 3: To write to these bits, refer to Sections 16.9 START Condition Generation Method and
16.11 STOP Condition Generation Method.
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16. MULTI-MASTER I
Address
02E8
16
Bit Name
0: Last bit = 0
1: Last bit = 1
0: No general call detected
1: General call detected
0: No address matched
1: Address matched
0: Not detected
1: Detected
0: Interrupt request issued
1: No interrupt request issued
0: Bus free
1: Bus busy
b7 b6
0 0: Slave receive mode
0 1: Slave transmit mode
1 0: Master receive mode
1 1: Master transmit mode
2
C bus INTERFACE
After reset
0001000X
2
Function
RW
RO
(Note 1)
RO
(Note 1)
RO
(Note 1)
RO
(Note 2)
RO
(Note 2)
RO
(Note 1)
RO
(Note 3)
RO
(Note 3)