PS-SAU-1900E
Mar. 8
th
,1999 (Rev. 0.0)
--- CONFIDENTIAL AND PROPRIETARY ---
20
GPIO1(D4).
27
KEYSENSE4(KEY_PAD2)
One of the KEYSENSE line. Low this line will cause
interrupt service.
Not used with SAU-1900E but can be used to receive
serial keypad information from external key pad detector
module in conjunction of GPIO26(KEY_PAD1)
28
TCK(JTAG_TCK)
One of the JTAG line.
29
TDO(JTAG_TDO)
One of the JTAG line.
30
TDI(JTAG_TDI)
One of the JTAG line.
31
\TRST(JTAG_\TRST)
One of the JTAG line.
32
RESIN(JTAG_RESIN)
One of the JTAG line, MSM Reset line.
33
(RX CODEC OUT)
Demodulated received audio signal coming out from
codec.
34
GND(Ground)
Ground to
35
(TX CODEC IN)
Transmit audio signal fed in to codec.
36
GND(Ground)
Ground to
37
SIGNAL_LED
0 = Turn On LED
1 = Turn Off LED
38
GPIO\19(EXP_\OE)
Inverted General GPIO19, used to drive MC14094 port
expander Output Enable(OE) line.
39
\CTS(\CTS)
Clear To Send line.
40
DP_RX_DATA(MSM_RXD)
Serial port received data string. Data levels are 3.3 volt,
ground referenced, unipolar digital signals. Maximum
data rates are 115.2 kbaud.
41
\RFR(\RFR)
Ready to Send Line
42
DP_TX_DATA(MSM_TXD)
Serial port transmitted data string. Data levels are 3.3
volt, ground referenced, unipolar digital signals.
Maximum data rates are 115.2 kbaud.
43
GPIO26
MSM GPIO26 port, not used with SAU-1900E.
44 BOOT_MODE(BOOT_MODE)
BOOT_MODE.
0 = Normal Operation.
1 = BOOT Mode.
45
GPIO27
VOCODER PCM IN port, not used with SAU-1900E.
46
LCD_SER_CS(LCD_CS)
LCD Drive line, not used with SAU-1900E.
47
LCD_SER_CLK(LCD_CLK)
LCD Drive line, not used with SAU-1900E.
48
LCD_SER_DATA(LCD_DATA) LCD Drive line, not used with SAU-1900E.
49
RINGER
MSM terminal 49, Ringer output. not used with SAU-
1900E
50
GND(Ground)
Ground to +5Volts.
ANT
Antenna(RF I/O)
The RF input / output point for the RFM. This point
connects directly to the LAU’s external RF connector.
Table 2.6.1.-1: RF Module I/O Definitions.
2.6.2. Electrical
Characteristics.
The electrical characteristics of the CDM are defined by TIA/EIA J-STD-008 and J-STD-018,
Recommended Minimum Performance Standards for 1.8 to 2.0 GHz Code Division Multiple
Access(CDMA) Personal Stations.
