Model MASS
2 Version V_1.0
Prepared by
H/W
Date
22/01/2008
Subject Technical
Manual Page
15/42
PIN
NAME
FUNCTION
K7
A9
G9
H9
B10
B4
K4
H3
C9
E9
E1
D1
C1
B9
D2
E2
F2
H2
G2
J7
H10
K9
H8
J9
K10
B7
F9
F1
J1, J2, J3,
D9, D10,
A8,
B8, C8, A5,
B5, C5, D5
J4
H5
K2
D3, E3, E4,
F3, F4, G3,
G4, G5, G6,
G7, H4, H6,
H7, D7, D8,
E7, E8, F7,
C3, C4, C6,
C7, D4, D6
J10
C10
K1
PWRKEY
PWRBB
SRCLKEN
SIMVCC
BAT_ON
DC_OV
VM_SEL
SEL1_EN
RTC_SEL
VD_SEL
AC
USB
V_USB
INT
GDRVUSB
GDRVAC
ISENSE
SEL1
SEL2
SIMIO
SIMRST
SIMCLK
SIO
SRST
SCLK
RSTCAP
RESET
VBAT
PWRIN
VB_OUT
ISENSE_OUT
BP/VREF
GND
VD
VIO
VA
Power on button input. Active low
Power on/off from microprocessor. Active high
VTCXO and VA enable. High = enable. Low = disable
VSIM enable. High = enable. Low = disable.
Indication that Li-ion battery is inserted
DC/DC protection input. OV threshold voltage is 1V.
External memory supply selection. 1 = 2.8V, 0 = 1.8V
Enable the “pre-charge indication” function. 1 = enable, 0 = disable.
VRTC output voltage selection. 1 = 1.5V, 0 = 1.2V
VD output voltage selection. 1 = 1.8V/1.5V, 0 = 1.2V/0.9V
AC-DC adaptor input
USB power input
3.3V USB power output
Interrupt PIN. Active low
Control output to the gate of the external p-channel FET for the USB charger.
Control output to the gate of the external p-channel FET for the AC charger.
Charger current sensing input
Control output to the gate of the external PMOS for the AC charger input
Control output to the gate of the external PMOS for the VBAT input
Non level-shifted SIM data (3V)
Non level-shifted SIM reset input (3V)
Non level-shifted SIM clock input (3V)
Level-shifted SIM data (1.8/3V)
Level-shifted SIM reset output (1.8/3V)
Level-shifted SIM clock output (1.8/3V)
Reset delay time capacitance
System reset. Low active.
Battery input voltage
Power input
Battery output voltage. Switchable.
ISENSE output voltage. Switchable.
Bandgap reference and bypass capacitance
Ground
Digital core supply
Digital IO supply
Analog supply
Auxiliary analog supply. Switchable.
Summary of Contents for MASS2
Page 20: ...Model MASS 2 Version V_1 0 Prepared by H W Date 22 01 2008 Subject Technical Manual Page 9 11 ...
Page 31: ...Model MASS 2 Version V_1 0 Prepared by H W Date 22 01 2008 Subject Technical Manual Page 9 59 ...
Page 88: ...Model MASS 2 Version V_1 0 Prepared by H W Date 22 01 2008 Subject Technical Manual Page 7 42 ...
Page 89: ...Model MASS 2 Version V_1 0 Prepared by H W Date 22 01 2008 Subject Technical Manual Page 8 42 ...
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