Configuration Of Serial Interfaces Csi10 And Csi11 - NEC 78K0 Series User Manual

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
Controller
Registers
Control registers
µ
Remark n = 0: PD78F0531, 78F0532, 78F0533
µ
n = 0, 1: PD78F0534, 78F0535, 78F0536, 78F0537, 78F0537D
SI10/P11/R D0
X
Transmit data
controller
f /2
PRS
2
f /2
PRS
3
f /2
PRS
4
f /2
PRS
5
f /2
PRS
6
f /2
PRS
7
f /2
PRS
SCK10/P10/TxD0
PM10
Remark (a): SO10 output
CHAPTER 16 SERIAL INTERFACES CSI10 AND CSI11
Item
Transmit controller
Clock start/stop controller & clock phase controller
Transmit buffer register 1n (SOTB1n)
Serial I/O shift register 1n (SIO1n)
Serial operation mode register 1n (CSIM1n)
Serial clock selection register 1n (CSIC1n)
Port mode register 0 (PM0) or port mode register 1 (PM1)
Port register 0 (P0) or port register 1 (P1)
Figure 16-1. Block Diagram of Serial Interface CSI10
Internal bus
8
Serial I/O shift Transmit buffer
register 10 (SIO10) register 10 (SOTB10)
Output latch
Transmit controller
Clock start/stop controller &
clock phase controller
Baud rate generator
Output latch
(P10)
Preliminary User's Manual U17260EJ3V1UD
Configuration
8
Output
selector
INTCSI10
(a)
SO10/P12
Output latch
PM12
(P12)
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