D75108CW NEC, D75108CW Datasheet - Page 26

• Manufacturer Part Number: D75108CW
• Description: Search -----> UPD75108CW
• Manufacturer: NEC

P01/SCK
P02/SO
P03/SI
*: "SET1" indicates execution of the instruction.
SIO0
Shift register (8)
8
8
Fig. 5-5 Serial Interface Block Diagram
Q
Serial clock
counter (3)
SIO7
R
S
Clear
SIO
Internal bus
Overflow
SIOM7 SIOM6 SIOM5 SIOM4 SIOM3 SIOM2 SIOM1 SIOM0
MPX
Serial start
8
SET1*
f
f
TOF0 (from timer channel 0)
XX
XX
/2
/2
4
10
SIOM
IRQSIO
set signal
IRQSIO
clear signal