Table of Contents
Advertisement
(17) SBI
Symbol
Name
Address
Serial bus
1240H
interface
SBICR1
(Prohibit
control
RMW)
register 1
SBI
1241H
buffer
SBIDBR
(Prohibit
register
RMW)
I2C BUS
1242H
I2CAR
Address
(Prohibit
register
RMW)
Serial bus
SBISR
interface
When
status
read
register
1243H
(Prohibit
RMW)
Serial bus
interface
SBICR2
control
When
register 2
write
Serial bus
1244H
interface
SBIBR0
(Prohibit
baud rate
RMW)
register 0
Serial bus
1247H
interface
SBICR0
(Prohibit
control
RMW)
register 0
7
6
5
BC2
BC1
BC0
R/W
0
0
0
Number of transfer bits
000: 8
001: 1
010: 2
011: 3
100: 4
101: 5
110: 6
111: 7
DB7
DB6
DB5
SA6
SA5
SA4
0
0
0
MST
TRX
BB
R/W
R/W
R/W
0
0
0
2
I
C bus
Master/
Transmitter
status
Slave status
/ Receiver
monitor
monitor
status
0: Free
monitor
0:Slave
1: Busy
0: Receiver
1:Master
1:
Transmitter
Start/Stop
condition
0: Stop
condition
1: Busy
condition
−
−
I2SBI
W
R/W
0
0
1
Always
IDLE2
read "0"
0: Stop
1: Operate
−
−
SBIEN
R/W
0
0
0
SBI
operation
0:disable
1:enable
92CZ26A-737
4
3
−
ACK
R/W
R
0
1
Always
Acknowledge
Setting for the divisor value "n"
read as "1".
mode
(When writing)
specification
0: Disable
1: Enable
DB4
DB3
R (receive)/W (Transmit)
Undefined
SA3
SA2
R/W
0
0
Slave Address setting
PIN
AL/SBIM1 AAS/SBIM0
R/W
R/W
1
0
INTSBI
Arbitration
request
lost detection
monitor
monitor
0: −
0: Request
1: Cancel
1: Detected
Serial bus interface
Cancel
operation mode selection
INTSBI
00: Port mode
interrupt
request
01: (Reserved)
2
10: I
C bus mode
0:Don't care
11: (Reserved)
1:Cancel
interrupt
request
−
−
R
1
1
Always read as "1".
−
−
R
0
0
Always read as "0".
TMP92CZ26A
2
1
SCK2
SCK1
/SWRMON
R/W
0
0
000: 4
001: 5
010: 6
011: 7
100:8
101: 9
110: 10
111: (Reserved)
DB2
DB1
SA1
SA0
0
0
Address
recognition
0: Enable
1: Disable
AD0/
SWRST1
SWRST0
R/W
R/W
0
0
Slave
General call
Last receive
Address
detection
bit monitor
match
monitor
0: "0"
detection
0: Undetected
1: "1"
monitor
1: Detected
0: Undetected
1: Detected
Software reset generate
write "10" and "01", then an
internal reset signal is
generated.
−
−
1
1
Always
write "0".
−
−
0
0
0
SCK0
R/W
0/1
DB0
ALS
0
LRB/
R/W
0
−
R/W
0
−
0
Advertisement
Table of Contents
