Nokia D211, Руководство разработчика, Страница: 27 / 124

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3.5.1 PC card interface
The main external interface of the Nokia D211 is a PC card connector. Host
system handles all control and communication through the PC card connector
to the card. Host system also provides the power supply to the card. The
connector pin out and operation is compatible with the PC card standard
release 7.0 (February 1999). PC Card Connection specifications, as seen from
host:
Parameter Unit Min Typical Max Description
Vcc V 4.75 5.0 5.25 Power supply from host
V
ih
V 2.4 Vcc+0.25 Input high level, TTL and CMOS
V
il
V 0 0 . 8
1 )
Input low level, TTL and CMOS
V
oh
V
V
2.8
0.9Vcc
Vcc
2 )
Output high level, TTL
Output high level, CMOS
V
ol
V 0.0 0.5
0.1Vcc
Output low level, TTL
Output low level, CMOS
Note 1): PCMCIA connector requirement; based on PC Card Standard V7
Note 2): maximum allowed level tolerated by the Nokia D211 is 5.5 V
Power consumption (current):
WLAN: Average
• Sleep: 30 mA
•
Acquisition (RX on) 192 mA
•
Receive @ 11Mbit/s: 160 mA
•
Transmit @ 1Mbit/s: 330 mA
•
Transmit @ 2Mbit/s: 315 mA
•
Transmit @ 11Mbit/s: 300 mA
•
Continuous 330 mA
GSM (HSCSD): Average / Peak
• Sleep: 30 mA
•
Idle: 32 mA
•
GSM 900, power level 5 (2W): 270 mA 460 mA
•
GSM 900, power level 5 (2W), multislot 3+1: 280 mA 470 mA
•
GSM 900, power level 7 (0.8W): 190 mA 350 mA
•
GSM 900, power level 7 (0.8W), multislot (3+1): 225 mA 370 mA
•
GSM 900, power level 7 (0.8W), multislot (2+2): 320 mA 490 mA
•
GSM 1800, power level 0 (1W): 200 mA 370 mA
•
GSM 1800, power level 0 (1W), multislot (3+1): 230 mA 390 mA
• GSM 1800, power level 0 (1W), multislot (2+2): 350 mA 530 mA
GPRS
•
Idle 32 mA
•
Downloading 150 mA – 200 mA