利博·(集团)有限公司官网

DESCRIPTION

The ?PD77110, 77111, and 77112 are 16-bit fixed-point digital signal processors (DSPs).

Compared with the ?PD77016 family, these DSPs have improved power consumption and are ideal for battery powered mobile terminals such as PDAs and cellular phones.

Both mask ROM and RAM models are available.

For details of the functions of these DSPs, refer to the following User’s Manuals:

?PD77111 Family User’s Manual : To be available soon

?PD7701X Family User’s Manual - Instructions: U13116E

FEATURES

Instruction cycle (operating clock)

?PD77110: 15.3 ns MIN (65 MHz MAX)

13.3 ns MIN (75 MHz MAX) (Operating voltage and ambient temperature are limited.)

?PD77111: 13.3 ns MIN (75 MHz MAX)

?PD77112: 13.3 ns MIN (75 MHz MAX)

Memory

? Internal instruction memory

?PD77110: RAM 35.5K words × 32 bits

?PD77111: RAM 1K words × 32 bits

Mask ROM 31.75K words × 32 bits

?PD77112: RAM 1K words × 32 bits

Mask ROM 31.75K words × 32 bits

? Data memory

?PD77110: RAM 24K words × 16 bits × 2 banks

External memory space 32K words × 16 bits × 2 banks

?PD77111: RAM 3K words × 16 bits × 2 banks

Mask ROM 16K words × 16 bits × 2 banks

?PD77112: RAM 3K words × 16 bits × 2 banks

Mask ROM 16K words × 16 bits × 2 banks

External memory space 16K words × 16 bits × 2 banks