Intermec CK30

Chapter 4 — Theory of Operation
Device Power States
Device
Computer
awake
(System On)
Computer
suspended,
Main battery
in
Computer
suspended,
Main battery
out
Critical
Shutdown
Type
Comments
Power supply
controller
ON ON ON
-
CPU core supply ON OFF OFF -
VCCN and VCCkp ON ON ON -
PLL_VCC ON OFF OFF -
Core logic,
memory, and
BATT_VCC
ON
ON
ON
GPIO expansion
(HCR) registers
ON ON ON
Mini PCI slot
ON
ON when so
configured
(default is
OFF)
OFF
2
Additional power states
may be supported,
depending on installed
card.
SD slot ON OFF OFF 2
Scanning interface /
Mini PCI FPGA
ON OFF OFF 2
Internal Scanner
power
ON OFF OFF 1
External Scanner
power
ON
ON when so
configured
(default is
OFF)
OFF
1
Only on models with
10-pin scan port
option.
Dock interface (RS-
232, USB)
ON ON when so
configured
(default is
OFF)
OFF 1
Power may be left on
in Suspend for tethered
scanner support.
Bluetooth
ON
ON when so
configured
(default is
OFF)
OFF
1
Module supports
additional power states.
LCD display ON OFF OFF 1
LCD bias ON OFF OFF 1
Backlight ON when
needed
OFF OFF 1
Audio codec ON OFF OFF 1 Codec supports
standby state.
Audio amplifier ON OFF OFF 1
CK30 Handheld Computer Service Manual 57