Panasonic UF-5500, Service Manual

Page: 33 / 365

33
UF-5500 / 4500
R23 PIO13 O 3.3V NOT USED
R24 PIO12 O 3.3V NOT USED
R25 PIO14 O 3.3V NOT USED
R26 PIO15 I 3.3V INPUT PORT
T01 SDMD0 I/O 3.3V SDRAM DATA BUS 0
T02 SDMD1 I/O 3.3V SDRAM DATA BUS 1
T03 NSDCAS O 3.3V SDRAM CAS
T04 NSDRAS O 3.3V SDRAM RAS
T11 VSS - GND GND
T12 VSS - GND GND
T13 VSS - GND GND
T14 VSS - GND GND
T15 VSS - GND GND
T16 VSS - GND GND
T23 PIO9 O 3.3V OUTPUT PORT(SNPICK)
T24 PIO8 O 3.3V NOT USED
T25 PIO10 O 3.3V NOT USED
T26 PIO11 O 3.3V OUTPUT PORT(SNREG)
U01 SDMD2 I/O 3.3V SDRAM DATA BUS 2
U02 SDMD3 I/O 3.3V SDRAM DATA BUS 3
U03 NSDWE O 3.3V SDRAM WRITE ENABLE
U04 VDD1.2 - 1.2V POWER SUPPLY
U23 VDD3.3 - 3.3V POWER SUPPLY
U24 PIO0 I 3.3V INPUT PORT (HOOK)
U25 PIO1 O 3.3V OUTPUT PORT(EXTRLY)
U26 PIO7 O 3.3V NOT USED
V01 SDMD4 I/O 3.3V SDRAM DATA BUS 4
V02 SDMD5 I/O 3.3V SDRAM DATA BUS 5
V03 SDCKE O 3.3V SDRAM CLOCK ENABLE
V04 SDMA12 O 3.3V SDRAM ADDRESS BUS 12
V23 PSCIO20 I 3.3V INPUT PORT (CIS HOME)
V24 PSCIO21 O 3.3V NOT USED
V25 PSCIO22 O 3.3V NOT USED
V26 PSCIO23 O 3.3V NOT USED
W01 SDMD6 I/O 3.3V SDRAM DATA BUS 6
W02 SDMD7 I/O 3.3V SDRAM DATA BUS 7
W03 SDMA11 O 3.3V SDRAM ADDRESS BUS 11
W04 SDMA9 O 3.3V SDRAM ADDRESS BUS 9
W23 PSCIO16 O 3.3V NOT USED
W24 PSCIO17 I 3.3V INPUT PORT (FANDET2)
W25 PSCIO18 I 3.3V INPUT PORT (TOPCVR)
W26 PSCIO19 I 3.3V INPUT PORT (PSTART)
Y01 VSS - GND GND
Y02 SDCLK O 3.3V SDRAM CLOCK 1
Y03 SDMA8 O 3.3V SDRAM ADDRESS BUS 8
Y04 VSS - GND GND
Y23 AFESEL0 I 3.3V NCU INTERFACE
Y24 AFESEL1 I 3.3V NCU INTERFACE
Y25 EXMDMCS O 3.3V NOT USED
Y26 DP O 3.3V NCU INTERFACE
PIN NO. PinName I/O POWER SUPPLY VOLTAGE EXPLANATION