Prestigio CAVALIERE 141 Technical & Service Manual page 81

Prestigio Cavaliere 141
5. Pin Descriptions of Major Components
5.2 SiS650 (IGUI Host Memory Controller )
Hos t BUS In ter face Con tin ue
Na m e P i n At t r
HP COM P I GT L P -M OS Co m p en sat io n In p ut
M
HVREF[4 :0 ] I AGT L+ I/O referen ce v o lt age
HNCOM P VREF M
DRAM Con tr oller
Na m e P i n At t r
SDCLK I SDRAM Clo ck In p ut
3 .3 V - M
SDRCLKI I SDRAM Read Clo ck In p ut
2 .5 V/3 .3 V - M
FW DSDCLKO O SDRAM Fo rward Clo ck Out p ut
2 .5 V/3 .3 V – M
M A[1 4 :0 ] O Sy st em M em o ry Address Bus
2 .5 V/3 .3 V - M
SRAS# O SDRAM Ro w Address St ro be
2 .5 V/3 .3 V - M
SCAS# O SDRAM Co lum n Address St ro be
2 .5 V/3 .3 V - M
SW E# O SDRAM W rit e En able
2 .5 V/3 .3 V - M
CS[5 :0 ]# O SDRAM Ch ip Select
CSB[5 :0 ]# 2 .5 V/3 .3 V - M CSB[5 :0 ] m ult ip lex ed wit h DQS[5 :0 ]
DQM [7 :0 ]# O SDRAM In p ut /Out p ut Dat a M ask
2 .5 V/3 .3 V - M
DQS[7 :0 ] I/O DDR Dat a St ro be
2 .5 V/3 .3 V - M
M D[6 3 :0 ] I/O Sy st em M em o ry Dat a Bus
2 .5 V/3 .3 V - M
CKE[5 :0 ] O (o p en -drain ) SDRAM Clo ck En able
2 .5 V/3 .3 V –
AUX
S3 AUXSW # O (o p en -drain ) Aux p o wer swit ch fo r ACP I-S3 st at e, lo w act iv e.
(CKE6 ) 2 .5 V/3 .3 V -
AUX
DDRVREF[A:B] I DDR I/O Referen ce Vo lt age
M
S i g n a l De s cr i p t i o n
S i g n a l De s cr i p t i o n
P ower a n d G r ou n d Sign a ls
Na m e T oler a n ce
C4XAVDD 3.3V
C4XAVSS 0V
DACAVDD1 1.8V
DACAVDD2 1.8V
DACAVSS1 0V
DACAVSS2 0V
DCLKAVDD 3.3V
DCLKAVSS 0V
DDRAVDD 3.3V
DDRAVSS 0V
ECLKAVDD 3.3
ECLKAVSS 0V
IVDD 1.8V
OVDD 3.3V
PVDD 3.3V
PVDDM 3.3V
PVDDP 1.8V
PVDDZ 1.8V
SDAVDD 3.3V
SDAVSS 0V
VDDM 2.5/3.3V
VDDQ 1.5/1.8/3.3V
VDDZ 1.8V
VDDM CM P 1.8V
VTT 1.2~1.85V
Z1XAVDD 3.3V
Z1XAVSS 0V
Z4XAVDD 3.3V
Z4XAVSS 0V
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Technical Service Manual
P ower P la n e T yp e Attr ib u te
M AIN Analog
GROUND Analog
M AIN Analog
M AIN Analog
GROUND Analog
GROUND Digital
M AIN Digital
GROUND Analog
M AIN Analog
GROUND Analog
M AIN Analog
GROUND Analog
M AIN Digital
M AIN Digital
M AIN Digital
AUX Digital
M AIN Digital
M AIN Digital
M AIN Analog
GROUND Analog
M AIN(AUX) Digital
M AIN Digitalv
M AIN Digital
M AIN Analog
M AIN Digital
M AIN Analog
GROUND Analog
M AIN Analog
GROUND Analog