Controller - Ricoh B291 Service Manual

6.2.2 CONTROLLER

N orm al l y Ｏ Ｎ
P O N C TL C trl
1.3VE P
1.5VE P
2.5VE P
3.3VE P
Extension
C T L H D D (1)
D A T A H D D (1)
ATA100
Bootable SD
D EB U G (0) I /F
D EB U G (1) I /F
C S S I /F C S S I /F
P EA C E I /F P EA C E I /F
S D (A ) I /F
E xternal S D I /F (P ortB )
E nergy S ave C trl
Energy S ave C trl
W U P /R D Y
P A N EL I /F P A N EL I /F
U SB 2. 0 I /F
100B ase M I I I /F
OSC
25MHz
I2C
RTC
SECURE ROM×2
EEP R O M
NVRAM SPI1
32kB× 2
SPI2
TIO I/F
The controller controls all applications, including copier, printer, scanner, and fax
applications. To add the optional printer, scanner, or fax applications, SD cards
must be inserted in the SD card slots of the controller. The fax option, however,
requires installation of an FCU.
SM
CÓPIA NÃO CONTROLADA
Engi ne Energy
1.8VE
S aver O FF
(RM7035C-466)
3.3VE
5V
5VE
Connector
C T L H D D (1)
D A TA H D D (1)
S D I /F
Trumpet
D EB U G (0) I /F
D EB U G (1) I /F
P C I B U S (R api 64)
Selectable
A S IC
ASIC
Shaker
B a s s o o n
U SB C LK
XTL
30MHz
SSCG
ICS960008
6-7
CÓPIA NÃO CONTROLADA
BOARD STRUCTURE
CPU
SSTL_2 I/F
ASIC
I 2C ( G I O )
Option Board Slot 1
Option Board Slot 2
(R IO 3)
(R i 03)
RCS0
RCS1
P C I I /F (P C I A D 16: 1) LA L(8: 1)
LA L(16: 9)
P C I I /F (P C I A D 16: 1)
LA H (24: 7)
AHLE
P C I I /F (P C I C M D 3: 0) O E/W E
BUFDIR
P C I I /F (P C I A D 15: 0)
LD (15: 0)
B291/B295/B296/B297
SSCG
IC S 9 60 0 0 9
DDR SDRAM
SO-DIMM (PC2100)
FLASH
16MB
LD(8:0)
NVRAM
(Std)
IC
Card
I/F
B291D926.WMF