UPD784915B Datasheet, PDF (39/86 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLERS

µPD784915B, 784916B
Figure 3-17. Block Diagram of Serial Interface Channel n (n = 1 or 2)
Internal bus
SIn /BUSY
SIOn register
CSIMn register
SOn
SCKn
STRB
Serial clock counter
Busy detection circuit
Strobe generation circuit
INTCSIn
fCLK/8
fCLK/16
fCLK/32
fCLK/64
fCLK/128
fCLK/256
CSIC2 register
Internal bus
Remark The circuits enclosed in the broken line are provided for serial interface channel 2 only.
39