Ricoh D017 Service Manual page 1019

FROM
1Mbyte flash ROM for SG3 software storage and modem software storage
SDRAM
4Mbyte DRAM shared between ECM buffer, line buffer, and working memory
AFE (Analog Front End)
Analog processing
CODEC (COder-DECoder)
A/D & D/A conversions for modem
REG
Generates +3.3 V from the +5V from the FCU
SM 201
Boards
D361/D510