UPD77019-013 NEC, UPD77019-013 Datasheet - Page 2

• Manufacturer Part Number: UPD77019-013
• Description: 16 bits/ Fixed-point Digital Signal Processor
• Manufacturer: NEC

2
FEATURES
•
•
•
•
•
•
•
• Instruction memory area : 64K words
• Data memory areas : 64K words
• Host I/O (8 bits): 1 channel
FUNCTIONS
• Instruction cycle: 16.6 ns (MIN.)
• Dual load/store
• Hardware loop function
• Conditional execution
• Executes product-sum operation in one instruction cycle
PROGRAMMING
• 16 bits
• 8 general registers (40 bits each)
• 8 ROM/RAM data pointer: each data memory area has 4 registers
• 10 source interrupts (external: 4, internal: 6)
• 3 operand instructions (example: R0 = R0 +R1L R2L)
• Nonpipeline on execution stage
MEMORY AREAS
CLOCK GENERATOR
• On-chip PLL to provide higher operation clock (60 MHz max.) than the external clock. PLL clock multiple rate is
ON-CHIP PERIPHERAL
• I/O port: 4 bits
• Serial I/O (16 bits): 2 channels
CMOS
+3 V single power supply
fixed to 4.
Operation clock: 60 MHz
External clock: 15 MHz
16 bits + 40 bits
40 bits multiply accumulator
16 bits
Preliminary Data Sheet
32 bits
2 (X memory, Y memory)
PD77019-013