Partition for migration

CPU

4-bit

Receiver

Mic

Discrete

& linear

User Interface

3

46/49MHz

Single chip

CT controller

CPU

4-bit

Receiver

Mic

User Interface

8

RD, WR, ALE

LCD

32-bit I/O

expansion

SATURN

L9002VX

CODEC

RF

circuit

battery mgmt

• Same CPU

(high volume = low cost)

• Similar code

(familiar development = fast

transition to manufacturing)

46/49MHz

900MHz CD/SS

Digital Phone

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