UPD77018A NEC, UPD77018A Datasheet - Page 3

• Manufacturer Part Number: UPD77018A
• Description: 16 bits/ Fixed-point Digital Signal Processor
• Manufacturer: NEC

Memory
External
Controller
Host I/O
I/O #1
I/O #2
IE I/O
Serial
Serial
Ports
Wait
INT1 – INT4
X Memory
Pointers
Interrupt
Control
Data
WAIT
X Memory
Control
Stack
Loop
RESET CLKOUT
CPU Control
Main Bus
Y Memory
PC Stack
Pointers
Data
X1
X2
Y Memory
Instruction
Memory
X–Bus
Y–Bus
16 16+40
MPY
40
R0–R7
ALU (40)