Datasheet

78K0/Kx2-L CHAPTER 16 SERIAL INTERFACES CSI10 AND CSI11
R01UH0028EJ0400 Rev.4.00 563
Sep 27, 2010
16.2 Configuration of Serial Interfaces CSI10 and CSI11
Serial interfaces CSI10 and CSI11 include the following hardware.
Table 16-1. Configuration of Serial Interfaces CSI10 and CSI11
Item Configuration
Controller
Transmit controller
Clock start/stop controller & clock phase controller
Registers
Transmit buffer register 1n (SOTB1n)
Serial I/O shift register 1n (SIO1n)
Control registers
Serial operation mode register 1n (CSIM1n)
Serial clock selection register 1n (CSIC1n)
Port alternate switch control register (MUXSEL)
Port mode register x (PMx)
Port register x (Px)
Remark 78K0/KA2-L (25 pins, 32 pins): n = 1, x = 0, 3
78K0/KB2-L: n = 0, x = 1
78K0/KC2-L: n = 0, 1, x = 1, 4, 6, 12
Figure 16-1. Block Diagram of Serial Interface CSI10 (78K0/KB2-L and 78K0/KC2-L)
Internal bus
SI10/P11
Transmit buffer
register 10 (SOTB10)
Serial I/O shift
register 10 (SIO10)
Output
selector
SO10/P12
Output latch
8
Transmit data
controller
8
Output latch
(P12)
PM12
SO10
output
INTCSI10
Transmit controller
Clock start/stop controller &
clock phase controller
Output latch
(P10)
PM10
Selector
SCK10/P10
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