Motorola MC9190 User Manual

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2. MC9190 External Power Pin
2.1 Background
Motorola MC9190 hand held computer supports a series of accessories through its bottom electrical
connector. This connector has number of communication ports and a power line to provide power to
these external devices. Historically this power pin has been controlled by the communication port
driver used to communicate to the accessory.
MC919x External Power Control Driver provides an extra interface that can be used to control the
external power pin without affecting the communication port. This can be used with Custom
hardware accessory ADP9000-120R to charge 3
rd
party USB devices from MC919x battery.
2.2 Theory of Operation
Figure 1 – MC9190 bottom port

Motorola MC9190 Specifications

General

RAM	256 MB
Flash Memory	1 GB
Scanner	1D laser scanner or 2D imager
Sealing	IP64
Operating Temperature	-4° F to 122° F/-20° C to 50° C
Processor	Marvell PXA320 @ 806 MHz
Display	3.7 inch VGA color display
Connectivity	802.11a/b/g, Bluetooth
Battery	2200 mAh Lithium-ion
Drop Spec	6 ft./1.8 m drop to concrete across operating temperature range
Weight	with battery
Keypad	28-key numeric, 43-key alphanumeric, 53-key alphanumeric