YTD436 Datasheet, PDF (7/14 Pages) YAMAHA CORPORATION – ISTC ISDN BRI controller with S/T ref. pt. analog D/R

YTD436 Peripheral LSI Interface Block Diagram
B1, B2
LI1
LI2
YTD436
LO1
A0 - D0 -
LO2 _{A15 D15 R/W CS}
Memory
A0 - D0 -
CS A15 D7 R/W
Power supply
detection
circuit
Decoder
System address bus (A0 - A15)
Peripheral LSI
A0 - D0 -
CS A15 D15 R/W
System data bus (D0 - D15)
Control signal bus
Clock
A0 - D0 - R/W
A15 D15
MPU
(8086 , 68000 etc.)
System
interrupt controller
-7-