Chapter 5. Circuit Description; For Up- - Sharp UP-5300 Service Manual

CHAPTER 5. CIRCUIT DESCRIPTION

1.
1-1. CPU
Pentium Processor: A80502CSLM66133SY028
•
External Bus Interface: 66MHz
•
L1 cache: 8K Code & 8K Data (Writeback) cache
•
64-Bit Data Bus
1-2. Chipset
FireStar Plus: 82C700U3.2
•
PCI Bus:
•
DRAM controller
(FPM, EDO or SDRAM): FPM or EDO supported
•
ISA Bus: AT Clock = 8.33MHz
•
Bus Mastering IDE: Primary IDE supported, Not Secondary
•
Thermal Management: Not used
•
Unified Memory Management (UMA):
8237A × 2
•
DMA controller:
•
Interval Timer: 8254
8259 × 2
•
Interrupt controller:
1-3. PS/2 Keyboard Controller
KBC: M38802M270
•
Full keyboard control
•
Mouse control: Not used
•
Matrix Key control: Not used
1-4. Graphic Controller
VGAC: MN89305
•
XGA compatible
LCD (640 × 480 × 256/64k color; 800 × 600 × 256/64k color; 024 ×
•
768 × 256 color) control
•
Host intrface: PCI/ISA/I386/I486/VL interface (Used
for PCI interfce)
4M DRAM (16-bit) × 1or2, 16M DRAM
•
DRAM interface:
(16-bit) × 1or2
•
Vcc=3.3V only
1-5. Super I/O Controller
M5113A2
•
FDC: Disable
16C550 compatible with Infrared × 2
•
Serial Port:
•
Parallel Port: used for LPT1
1-6. System Controller 2
PSC2: LZ9AM22
•
BIOS ROM Bank Control: Fixed 2banks
•
Mask ROM Bank Control: Fixed 256banks
•
Flash ROM Bank Control: Max. 384banks
•
PS-RAM Bank Control: Max. 192banks
UART × 5:
•
COM 5ch
Clocked Serial I/O × 2:
•
CKDC VII I/F (Not used)
•
Mode Switch Sense: 16bits (Not used)
•
Clerk Switch Sense: 16bits (Not used)
•
MCR I/F: 2track
•
Drawer I/F: 2drawers
1-7. Memory
•
L2 cache:
•
System Memory:
•
BIOS ROM:
•
DOS ROM:
•
Flash ROM Disk:
•
PS-RAM Disk:
•
Video RAM:
1-8. Analog Touch Panel
•
Controller:
•
RS-232C I/F (2400/4800/9600bps):
•
Resolution:
1-9. LCD
•
Color LCD:
1-10. System Switch
•
DIP Switch:
•
Jumper Switch:
•
0Ω Register:
1-11. Serial Ports
•
Serial 1 (Used for COM1): Ci/+5V switchable – DSUB9 with FIFO
•
Serial 2 (Used for COM2): Ci/+5V switchable – DSUB9 with FIFO
•
Serial 3
(Used for COM3/5):
•
Serial 4
(Used for COM4/6):
•
Serial 5:
•
Serial 6:
•
Serial 7:
1-12. Power Supply Unit
•
Input = AC100 - 120V, 50/60Hz
1-13. Vacuum Fluorescent Display Unit:
202MD11AB (used Pole display unit:
UP-P20DP/i20DP)
VFD = 20 Digits × 2 Lines, 5 × 7dots with; (Period & Comma) + 20
•
w
•
Microcontroller with Character Generator
•
RS-232C I/F (RXD/DSR/DTR,4800/9600/19200/38400bps):
•
Power:
•
Auto indicator blinking:
5 – 1
None
DRAM Standard = 1M × 16b EDO
Asym 60ns Vcc = 3.3V × 4chip (8MB)
Option = 144pin S.O.DIMM socket
× 1 (8MB/16MB/32MB)
512K × 8b (512KB) Flash ROM
Vcc = 5.0V
1M × 16b (2MB) Mask ROM
Vcc = 5.0V
Standard = 1M × 16b (2MB)
Vcc = 5.0V
Option = 2M × 16b (4MB)
Standard = 512K × 8b × 2chip (1MB)
Vcc = 3.3V
Option = 512K × 8b × 4chip (2MB)
256K × 16b × 2chip (1MB)
Vcc = 3.3V
N010-0559-V021
used for 9600bps
1024 × 1024
10.4" DSTN 640 × 480 × 256color
8circuits
Not used
Not used
(by Super I/O)
(by Super I/O)
SG/+5V Pattern-cut & Jumper – RJ45
without FIFO (by PSC2)
– RJ45 without FIFO (by PSC2)
Used for Built-in printer – TTL level in-
terface
Used for Customer VFD control –
RJ45(for UP-P20DP) or 7pin-CN(for
UP-I20DP)
Used for Touch panel control – TTL
level interface
used for 9600bps
+5VDC/1A
When power is turn on, automatically
blink the indicator of 1st digit.