Datasheet

78K0/Kx2-L CHAPTER 16 SERIAL INTERFACES CSI10 AND CSI11
R01UH0028EJ0400 Rev.4.00 564
Sep 27, 2010
Figure 16-2. Block Diagram of Serial Interface CSI11 (78K0/KC2-L)
88
Internal bus
Output
selector
Output latch
SO11/P62
Note 1
Transmit buffer
register 11 (SOTB11)
Transmit data
controller
SI11/SDAA0/P61
Note 1
Serial I/O shift
register 11 (SIO11)
SSI11
Note 2
Output latch
(P62)
PM62
SO11
output
Transmit controller
Clock start/stop controller &
clock phase controller
INTCSI11
Output latch
(P60)
PM60
SCK11/SCLA0/P60
Note 1
SSI11
Note 2
Selector
fPRS/2
f
PRS/2
2
fPRS/2
3
fPRS/2
4
fPRS/2
5
fPRS/2
6
fPRS/2
7
Notes 1. For 78K0/KC2-L (44, 48-pin products), by MUXSEL register setting, SCK11, SI11, and SO11 can be
assigned as P40, P41, and P120, respectively.
2. 48-pin products of 78K0/KC2-L only
Figure 16-3. Block Diagram of Serial Interface CSI11 (78K0/KA2-L (25, 32-pin products))
88
Internal bus
Output
selector
Output latch
SO11/P37
Transmit buffer
register 11 (SOTB11)
Transmit data
controller
SI11/P36
Serial I/O shift
register 11 (SIO11)
SSI11
Output latch
(P37)
PM37
SO11
output
Transmit controller
Clock start/stop controller &
clock phase controller
INTCSI11
Output latch
(P35)
PM35
SCK11/P35
SSI11
Selector
f PRS /2
f
PRS /2
2
f PRS /2
3
f PRS /2
4
f PRS /2
5
f PRS /2
6
f PRS /2
7