Intermec 073290-001 Datový list Strana 75
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- Tabulka s obsahem
- ŘEŠENÍ PROBLÉMŮ
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
Chapter 4 — Theory of Operation
Resume Events
In addition to the I key, the CK30 is designed to optionally wake from
the following sources.
Source
Wakes after
battery
replaced*
Implementation
I key (Suspend/Resume)
Yes
RTC Alarm No Not supported in current software
Tethered Scanner trigger
(“Trigger Resume” )
Yes Not supported in current software
A tethered scanner left powered during Suspend can pull the
SCAN_TRIG* signal (or DOCK_TRIG*, if it is connected through the
dock port) low on a trigger pull. The signal propagates through
combinatorial logic U22, U28, U31 and U54 to flip-flop U57, which
ensures even narrow pulses trigger the PXA255 GPIO1 edge-detect logic.
Keypad scanner Button
(“Trigger Resume” )
Yes
Handle trigger (“Trigger
Resume” )
Yes
1, 2, and 3 keys on the
keypad
Yes
Not supported in current software.
These all reside on Row 0 of the keypad matrix (KEYRET0), which is
routed to PXA255 GPIO1 as well as to the FPGA. Each of these keys is
enabled as a resume source by driving its keypad column line low on
Suspend. A key closure then pulls GPIO1 low, waking the system.
ActiveSync connection
(DCD from docking serial
port)
Yes
ActiveSync connection
(USB host present)
Yes
Not supported in current software
Serial port DCD and USB_WAKE (divided down from the 5V supplied
by a USB host) are OR’d together by U24, RC filtered, and
differentiated by RC pair C180/R321 to present a high-going pulse on
signal DOCK_WAKE. This goes through the same combinatorial logic
as the tethered scanner signals described above, waking the system
through PXA255 GPIO1.
Mini PCI card PME
(power management
event)
No
Not supported in current software.
PCI_PME* from the Mini PCI card bypasses the FPGA PCI bridge
(which is powered down in Suspend) and wakes the system through
PXA255 GPIO4.
Bluetooth wakeup
No
Not supported in current software.
The serial data signal from the Bluetooth module (BT_RXD*) is routed
to PXA255 GPIO2, which is set to detect edges, wakes the system on
any serial message from the Bluetooth module.
SD card insertion
No
Not supported in current software
Supported through signal SDMMC_CD on PXA255 GPIO5.
* Devices routed to PXA255 interrupts other than GPIO0 and GPIO1 are not able to wake the system after a battery
replacement or other critical battery event because in such an event the PXA255 automatically disables all wakeup
interrupts except GPIO0 and GPIO1.
In
all instances, BATT_FAULT* globally inhibits resume when the main
battery is too low or removed and external power is not present.
CK30 Handheld Computer Service Manual 65
- CK30 Handheld 1
- Computer 1
- Service Manual 1
- Contents 3
- Theory of Operation 4
- Safety Icons 8
- Global Services and Support 9
- Before You Begin 10
- Troubleshooting 11
- Troubleshooting the CK30 12
- Replacing Parts 17
- Cautions 18
- Chapter 2 — Replacing Parts 20
- (2 places) 21
- Retainer 22
- Replacing the Main PCB 25
- Bluetooth Radio” on page 13 26
- Replacing the Bezel Assembly 27
- Replacing the SE1200 Scanner 31
- Replacing the EV10 Scanner 33
- Replacing the IT4000 Imager 35
- Tethered 36
- (4 places) 36
- Closing the CK30 37
- CK30 Exploded View 40
- CK30 Spare Parts List 41
- (3 places) 44
- Processor Core 51
- I/O Signals 53
- I2C Bus 57
- FPGA Download 58
- FPGA Power Management 59
- FPGA Bus Interface 60
- FPGA Clocks 60
- Power System 61
- Main Battery Charging 62
- Supercap 63
- External Power 63
- PXA250-based 64
- Device Power States 66
- Device Power Control 68
- PSC I2C Syntax 69
- Battery Status Monitoring 70
- Low-Battery Handling 71
- Battery Status LED 72
- Reset Control 73
- I/O Control 74
- Resume Events 75
- Display 76
- Temperature Compensation 77
- Backlight 77
- Key Matrix Scanning 77
- Wakeup Keys 78
- Network Interface 79
- PCI Bridge 80
- Host I/F 80
- Scanner I/F 80
- SDRAM Controller 81
- SDRAM Densities 82
- Shared SDRAM Partition 82
- Mini PCI Arbitration 82
- Supported Bus States 83
- Scanners 84
- Supported Scanners 85
- Scanner Interface 86
- (10-pin 87
- 10-pin only 87
- 1D DBP Scanner Interface 88
- Wands and Wand Emulation 90
- 2D Imagers 90
- EXPOSURE 91
- 1D MDS Scanner Interface 92
- Scanner Power 93
- Tethered Scanners 93
- Tethered Scanner Auto-Detect 95
- Dock Scanner Auto-Detect 96
- Dock Interface 97
- USB Port 99
- RS-232 Port 99
- Bluetooth 100
- Storage Card (SD card) 101
- Debug Support 103
- Debug Board 104
- Firmware Upgrade 105
- Accessories 106
- Type-B USB Connector 107
- AD1 Charging 109
- AD1 Input Power Requirements 110
- AD2 Charging 110
- AC1 4-Slot Battery Charger 111
- AC2 4-Bay Charging Dock 112
- *073967-001* 113
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Rki instruments GD-K71D Uživatelský manuál (47 strany)
Značka: Rki-instruments | Kategorie: Sensors | Velikost: 0.21 MB |
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