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Theory of Operation
External I/O Ports and
Buses
Internal I/O Ports and
Buses
2–4
All external ports are protected against electrostatic discharge and their power
supplies against shorts.
Table 2-1: External ports and buses
External port, signal, or
bus
RS-232 port
USB slave, host ports
Ethernet port
PCMCIA ports
Keyboard port
DC supply jack
Headphone jack
Microphone jack
The internal ports are used to interface with the instrument module, display
modules, and development ports.
Table 2-2: Internal ports and buses
Internal port, signal, or
bus
Color LCD Port
Touch screen port
SMBus port
Description
EIA/TIA-574 compliant DTE interface with modem control
lines. The Baud Rate is 115.2 kbps.
Standard USB slave and host ports that support USB 1.1
standard.
Standard RJ-45 connector that supports 10BaseT and
100BaseT Ethernet standards.
Supports a single type III or dual type II PCMCIA cards. Any
application software must be H600 & SA2600 platform and
Windows CE compatible. This port accepts both 3.3 V and
5 V PC cards.
Supports PS/2 keyboards with Mini DIN connectors.
Keyboards can be plugged in without shutting down the
platform.
Accepts power from the AC power adapter for normal
operation or to charge the internal batteries. Nominal supply
voltage is 24 VDC "10%.
A 3.5 mm jack. Inserting a headphone disables the internal
speaker and microphone in the platform.
A 3.5 mm jack. 1.5 V bias supply, for 2 kΩ electret-type
microphone.
Description
Interface: 3.3 V, 9-bit data (8 bits used), Red, Green, and Blue
LCD Connector: 15 pin
Backlight Connector: 4 pin
Supports 8-wire, resistive, touch-screen panel with firmware
calibration
Touch-Screen connector: 8 pin
Interfaces to two SMART Li-Ion battery packs. Compatible
with Smart battery Interfaces from Inspired Energy and
others. This bus is not available to the instrument module.
(See page 2-6, Power System.) (See page 4-24, Lithium-Ion
Battery Maintenance.)
H600 & SA2600 Service Manual
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