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No.
Signal Name
Function
Connection
Status
21
VIB_ON
Vibrator control signal
Extended I/O: Q(3)
H: Vibration On
L: Vibration Off
22
nON_HOOK
ON HOOK detection
signal
10(9) of GEMINI
H: Off Hook
L: On Hook
23
PA_RAMP
RF Output power control
signal of PA
APC of VEGA(5bitDA)
64 step
24
VBAT
Battery Power Supply
BAT
VOLT:ADIN1(10bitAD)
Li-lON: 7.2V
Ni-MH: 4.8V
25
DCOUT
3.5V DC/DC output
power supply
3.44V ±5%
26
D5V
5.0V DC/DC output
power supply for SIM
5.0V ± 2.4%
27
EXT_PWR
External Power Supply
nEXT_PWR: lO(2) of
GEMINI
9.4V Max
28
VDD
Power supply for Vibrator
29
GND
30
13MHZCLK
13MHz Main (Master)
Clock
MCLK (more than 0.5V)
31
SERIAL_UP
Serial Interface (Uplink)
GEMINI USART(8251)
Baud rate:115.2, 57.6,
38.4, 28.8, 19.2, 9.6(k)
32
IGNITION
Ignition sense signal
nlGNITION: IO(4) of
GEMINI
H: Ignition On, L(Hi – Z):
Ignition Off
33
SERIAL_DOWN
Serial Interface
(Downlink)
GEMINI USART(8251)
8 bit, Even, 1 stop
34
nLOGIC_PWR
H/H power sense signal
for Optional equipment
LOGIC_PWR: lO(1) of
GEMINI
L: H/H Power On
Hi– Z: H/H Power Off
35
nHF_ON
HF Audio block control
signal
HF_ON: 10(3) of GEMINI L: HF Audio On
Hi– Z: HF Audio Off
36
BATID
Battery Cell detection
signal
BAT – ID :ADIN2 of
VEGA(10bitAD)
37
VREF_OUT
Vega reference voltage
output signal for RF
VMID of VEGA
38
DQX
Downlink nQ signal
39
DQ
Downlink Q signal
40
DIX
Downlink nl signal
41
Dl
Downlink I signal
42
GND
43
OCE
Output Cancel Enable
signal
BCAL=TSPACT(l) of
GEMINI
H: Enable
44
IFAGCEN
IF AGC Enable signal for
RX IC
TSPEN(4) of GEMINI
H: Enable
L: Disable
45
PLL_STRB
PLL serial interface
signal: Strobe
TSPACT(9) of GEMINI
H: Enable
L: Disable
46
PLL_SD
PLL and AGC serial
interface signal: Data
TSPDO of GEMINI
Issue 1
Section 2
MCUK980101G8
Revision 0
2 - 2
Technical Guide
INTERFACES AND TEST POINTS
