UPD784907 Datasheet, PDF (47/98 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLER

µPD784907, 784908
8.8.2 Clocked serial interface (CSI)
With this interface, the master device makes the serial clock active to start transmission, then transfers 1-byte data
in synchronization with this clock.
Figure 8-13. Block Diagram of Clocked Serial Interface
Internal bus
SIn
SIOn register
CSIMn register
SOn
SCKn
Serial clock counter
INTCSIn
fXX/8
fXX/16
fXX/32
fXX/64
fXX/128
Remark fXX: Oscillating frequency or external clock input frequency
n = 0, 3
Data Sheet U11680EJ2V0DS00
47