Block Diagram Of Serial Interface 10 - NEC switch User Manual

SI10/P22
SO10/P21
SCK10/P20
Figure 9-1. Block Diagram of Serial Interface 10
Internal bus
Serial operation mode
register 10 (CSIM10)
CSIE10 TPS100 DIR10 CSCK10
Transmit/receive shift register 10
(SIO10)
Serial clock counter
F/F
Clock controller
Interrupt
request
INTCSI10
generator
2
f /2
X
3
f /2
X