Read Sharp AR-P16 (serv.man3) Service Manual online
AR-P16 HARDWARE 5 - 2
B. Block diagram
C. Interface
(1) USB I/F (CN13)
This connector is USB Type-B 4-pin connector.
USB I/F (CN13) Pin Assignment
OKI ML60852A is used as USB controller. The USB Controller device
is connected with the 32-bit I/O Bus of D8501A, and IOCS0 is used.
Moreover, a DMA controller uses DMAC Ch.0 in D8501A.
is connected with the 32-bit I/O Bus of D8501A, and IOCS0 is used.
Moreover, a DMA controller uses DMAC Ch.0 in D8501A.
(2) IEEE1284 I/F (CN15)
Built-in 1284 controller in D8501A is used, and 1284 interfaces are
controlled.
controlled.
D8501A internal 1284 Controller Specification
• Supports IEEE1284 Compatible mode, Nibble Mode, Forward/
Reverse ECP mode (without decompression)
• Internal 16 bytes transmit buffer and 16 bytes receive buffer sup-
ports.
• 2 channel DMA support (32 bit packed)
• Transfer data amount has to be multiple of 4-bytes.
This connector is 36 pin Amphenol connector based on IEEE1284.
Engine
I/F
100pin
CN
Engine
(ICU)
I/F
1284
I/F
CN
IEEE
1284
1284
I/F
LVX
161284
D8501A
66MHz
CPU
PowerPC755
300MHz
Serial
I2C
EEPROM
4Kb
MPC107
66MHz
244
x 3
Parallel
EEPROM
64KB
CMD
STS
Video
CN1
A[0..31]
DH[0..31]
DL[0..31]
SCL
SDA
CN15
60x Bus
64bit/66MHz
SD[0..31]
SA[2..23]
245
x 4
72pin ROM
SO-DIMM
8MB
ED[0..31]
EA[2..23]
32
CN4, 6, 7
Code-1
IOCS1/2/3
8
USB
Controller
OKI ML60852A
16
USB
CN (B)
CN13
D+/-
USB
I/F
IOCS5
IOCS0
72pin ROM
SO-DIMM
1MB
CN3
Boot
RCS0
244
x 3
245
PAR_AR
DP[0..7]
D3032
(44pin PLCC)
D8501A Bug
Recovery
MA
MDH
MDL
DQM
MA[12..0]
MDH[31..0]
MDL[31..0]
DQM[7..0]
SCNIF
Board
3.5" HDD
Unit
JCI NIC
Ethernet I/F
PCI
CN
D8501A I/O Bus
32bit
PCI Bus
32bit/33MHz
PCI
CN
PCI
CN
CN9
CN12
CN8
On Board
SDRAM
128MB
256Mbit x 4pcs
SDRAM
DIMM
x 2 Slot
SDCS0
SDCS1-2/3-4
CN10-11
MPC107 Memory Bus
64bit/66MHz
8
ROMAD[0..19]
ROMHD[0..7]
Ext. CN
CN5
WHALE-
Serial 2
Card
8
Debug
Serial I/F
RCS1
244
x 2
Scanner (RGB)
15
Code-2
Code-3
IC22
IC40
IC31
IC20
IC26
IC48
IC27, 32, 39, 46
IC45
IC30
Pin No
Signal
1
VCC
2
DATA -
3
DATA +
4
GND
Spec
OKI ML60852A
USB Rev.
1.1
Transfer type
Control, Bulk, Interrupt, Isochronous
End Point
5 or 6
USB transceiver
Built-in
EP1 DMA
Supported
DMA Channel
2
Bus-powered devices
Supported
DMA Data Width
8 or 16
Intelligent SIE
Supported
D+
D-
D8501A
(IC22)
SA[23:1]
244 Buffer
(IC23-25)
245 Buffer
(IC14-17)
IOWRZ0
IORDZ
SD[31:0]
IOCS0
ED[15:0]
EXTREZ0
EXTACKZ0
OKI
ML60852A
(IC45)
/CS
A[7:0]
D[15:0]
XIN
DMREQ
DMACK_N
D+
D-
EA[29:22]
/WR
/RD
INTX6
USBINTZ
/INTR
USBINTZ
GPIO3
+
-
USB I/F
(CN13)
Vbus
10K
10K
5V
6MHz
(Y2)
XOUT
10K
1M
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