Read Sharp LC-52X20E (serv.man5) Service Manual online
LC-42XL2E/S/RU, LC-46XL2E/S/RU, LC-46X20E/S/RU, LC-52XL2E/S/RU, LC-52X20E/S/RU
5 – 26
C21
AD23_FRA7
O
Flash address 7/PCI AD bus bit 23.
D21
AD16_FRA0
O
Flash address 0/PCI AD bus bit 16/POD host interface Card I/O output enable.
A20
IRDY_PCAS
I/O
PCI bus IRDY# signal/M68K CPU interface address strobe signal.
B20
CBE2#_FRA18
O
Flash address 18/PCI CBE#[2].
C20
AD17_FRA1
O
Flash address 1/PCI AD bus bit 17/POD host interface Card I/O Write enable.
A19
CBE1#_FRA17
O
Flash address 17/PCI CBE#[1].
E19
AD15_FRD15
I/O
Flash Data bus bit 15/PCI AD bus bit 15.
A18
AD7_FRD7
I/O
Flash Data bus 7/PCI AD bus bit 7.
B18
AD10_FRD10
I/O
Flash Data bus bit 10/PCI AD bus bit 10/POD host interface address bit 2.
C18
AD12_FRD12
I/O
Flash Data bus bit 12/PCI AD bus bit 12/POD host interface address bit 10.
D18
AD13_FRD13
I/O
Flash Data bus bit 13/PCI AD bus bit 13/POD host interface address bit 13.
E18
AD11_FRD11
I/O
Flash Data bus bit 11/PCI AD bus bit 11/POD host interface address bit 3.
A17
AD8_FRD8
I/O
Flash Data bus bit 8/PCI AD bus bit 8/POD host interface address bit 0.
B17
AD14_FRD14
I/O
Flash Data bus bit 14/PCI AD bus bit 14/POD host interface address bit 12.
C17
AD9_FRD9
I/O
Flash Data bus bit 9/PCI AD bus bit 9/POD host interface address bit 1.
D17
AD6_FRD6
I/O
Flash Data bus bit 6/PCI AD bus bit 6/POD host interface Data bus bit 6.
E17
CBE0#_FRA16
O
Flash address 16/PCI CBE#[0].
A16
AD5_FRD5
O
Flash Data bus bit 5/PCI AD bus bit 5/POD host interface Data bus bit 5.
B16
AD1_FRD1
I/O
Flash Data bus bit 1/PCI AD bus bit 1/POD host interface Data bus bit 1.
C16
AD3_FRD3
I/O
Flash Data bus bit 3/PCI AD bus bit 3/POD host interface Data bus bit 3.
D16
AD2_FRD2
I/O
Flash Data bus bit 2/PCI AD bus bit 2/POD host interface Data bus bit 2.
E16
AD4_FRD4
I/O
Flash Data bus bit 4/PCI AD bus bit 4/POD host interface Data bus bit 4.
E15
AD0_FRD0
I/O
Flash Data bus bit 0/PCI AD bus bit 0/POD host interface Data bus bit 0.
D15
FRA25
I/O
Flash address bit 25.
C15
FRA24
I/O
Flash address bit 24.
B15
FRA23
I/O
Flash address bit 23.
A15
FRA22
I/O
Flash address bit 22.
A14
FRA21
I/O
Flash address bit 21.
B14
FRA20
I/O
Flash address bit 20.
C14
GCS3
I/O
Flash chip select (0:Active).
D14
GCS2
I/O
Flash chip select (0:Active).
E14
GCS1
I/O
Flash chip select (0:Active).
E13
GCS0
I/O
Flash chip select (0:Active).
D13
BOOTCS
O
EPPROM chip select (0:Active).
C13
FWE#
O
Write enable signal of Flash Rom.
B13
FOE#
O
Read enable signal of Flash Rom.
A13
NAND_CE#
O
Chip select signal of NAND Flash Rom.
A12
NAND_RDY
I
Ready signal of NAND Flash Rom.
PCI Interface
A27
A27
INTA
I
PCI interrupt A.
C25
INTB
I
PCI interrupt B.
B27
INTC
I
PCI interrupt C.
B25
INTD
I
PCI interrupt D.
D27
GNT0
O
PCI gnt signal. (Not used)
D26
GNT1
O
PCI gnt signal. (Not used)
E26
GNT2
O
PCI gnt signal. (Not used)
D25
GNT3
O
PCI gnt signal. (Not used)
C27
PCIRST#
O
PCIRSTN/68K clock output.
A25
PCICLK
O
PCI clock.
C24
REQ0
I
PCI req signal.
B24
REQ1
I
PCI req signal.
A24
REQ2
I
PCI req signal.
C23
REQ3
I
PCI req signal.
E21
FRAME#_SIZI
I/O
PCI bus FRAME# signal/68K Transfer size bit 1. (analog with Transfer size bit 0 to
indicate the number byte to be transferred during a bus cycle M68K CPU bus.)
indicate the number byte to be transferred during a bus cycle M68K CPU bus.)
A20
IRDY_PCAS
I/O
PCI bus IRDY# signal/68K address strobe signal.
B20
CBE2#_FRA18
I/O
PCI bus CBE#[2]/Flash address bit 18.
D20
TRDY#_SIZ0
I/O
PCI bus TRDY# signal/68K Transfer size bit 0.
B19
SEPR#_DSACK1
I/O
PCI bus SERR# signal/68K Data and Size acknowledge signal bit 1.
C19
DVSEL_PCDS
I/O
PCI bus DEVSEL# signal/68K Data Strobe signal.
D19
PAR_DSACK0
I/O
PCI bus PAR signal/68K Data and Size acknowledge signal bit 0.
E20
STOP#_PCRW
I/O
Flash, 3.3V CMOS IF, 16mA output pad.
POD Interface
B12
B12
POD_ITX
I
POD OOB TXI Channel.
C12
POD_WAIT
I
POD WAIT# signal to expand bus cycle.
Ref No.
Pin Name
I/O
Pin Function
Click on the first or last page to see other LC-52X20E (serv.man5) service manuals if exist.