Controller; Overview - Ricoh G108 Service Manual

6.11 CONTROLLER

6.11.1 OVERVIEW

SDRAM-DIMM
(Optional)
64MB
128MB
256MB
SDRAM:
128MB
Flash ROM:
max32MB
FRAM:
max32kB
NVRAM
max128kB
IC
CARD
The controller is based on the Grand Work (GW) Architecture. (Referred to as RA2K
Architecture in the U.S.)
CPU
ASIC
RAM
Program ROM
SD card slots
NVRAM
Printer language
Emulation
Hard disk
Network Interface
SM
VR5500-300
CORE: 1.5VE
I/O: +3.3VE
ASIC： PICCOLO
CORE:+1.5VE
I/O: +3.3VE
LATCH
16373
Component
VR5500 (300 MHz)
Piccolo, Horn
Standard: 128 MB
Optional: 64 MB, 128 MB, 256 MB
24 MB
2
32 KB
RPCS, PCL5c, PS3 (PDF)
None
Standard: None
Optional: 10 GB
Standard: IEEE 1284, USB 2.0, Ethernet
Optional: IEEE 802.11b, Bluetooth
6-45
OSC
CPU
14.318MHz
USB
ASSP
CORE: 1.8VE
I/O： 3.3VE
ASIC： Horn
OSC Filter
25MHz Module
PHY:
DP83846A
G108D959.WMF
Maximum: 384 MB
Not expandable
CONTROLLER
SSCG
120MHz
30MHz
I/O
Port
SD
SD
Remarks
G108