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C24 Hardware Interface Manual
Version 0.3
Table of Contents
REVISION HISTORY .................................................................................................................................... 3
1
REGULATORY REQUIREMENT ........................................................................................................... 4
1.1
S
AFETY
S
TATEMENT AND
R
EQUIREMENTS
.............................................................................................. 4
1.2
A
NTENNA AND
T
RANSMISSION
S
AFETY
P
RECAUTIONS
............................................................................. 5
2
HARDWARE INTERFACE DESCRIPTION ........................................................................................... 7
2.1
O
PERATING
M
ODES
............................................................................................................................... 7
2.2
P
OWER
S
UPPLY
..................................................................................................................................... 8
2.2.1
P
OWER
C
ONSUMPTION
........................................................................................................................ 8
2.3
P
OWER
O
N
/O
FF
O
PERATION
.................................................................................................................. 9
2.3.1
T
URNING THE MODULE
O
N
................................................................................................................... 9
2.3.2
T
URNING THE
M
ODULE
O
FF
............................................................................................................... 10
2.4
L
OW
P
OWER
M
ODE
............................................................................................................................. 12
2.4.1
A
CTIVATING
L
OW
P
OWER
M
ODE
........................................................................................................ 12
2.4.2
S
ERIAL
I
NTERFACE DURING
L
OW
P
OWER
M
ODE
................................................................................. 13
2.4.3
T
ERMINATING LOW POWER MODE
....................................................................................................... 13
2.5
R
EAL
T
IME
C
LOCK
............................................................................................................................... 16
2.6
S
ERIAL
I
NTERFACES
............................................................................................................................ 17
2.6.1
P
RIMARY
UART
(UART1)................................................................................................................. 17
2.6.2
S
ECONDARY
UART
(UART2) ........................................................................................................... 18
2.6.3
USB
I
NTERFACE
...............................................................................................................................19
2.7
R
EMOVABLE
-U
SER
I
DENTIFY
M
ODULE
(R-UIM)
I
NTERFACE
................................................................... 20
2.8
A
UDIO
I
NTERFACE
................................................................................................................................ 21
2.8.1
H
ANDSET
M
ICROPHONE
P
ORT
........................................................................................................... 21
2.8.2
H
EADSET
M
ICROPHONE
P
ORT
........................................................................................................... 22
2.8.3
S
PEAKER
P
ORT
................................................................................................................................. 23
2.8.4
H
EADSET
D
ETECTION
........................................................................................................................ 24
2.8.5
A
LERT
L
OUDSPEAKER
P
ORT
.............................................................................................................. 24
2.8.6
D
IGITAL
A
UDIO
I
NTERFACE
................................................................................................................ 25
2.8.7
A
UDIO
O
PERATING
M
ODES
................................................................................................................ 26
2.8.8
A
UDIO
P
ROGRAMMING
I
NTERFACE
..................................................................................................... 27
2.9
A/D
I
NTERFACE
................................................................................................................................... 30
2.9.1
P
OWER
S
UPPLY
A/D ......................................................................................................................... 30
2.9.2
B
ATTERY
T
EMPERATURE
A/D ............................................................................................................ 30
2.9.3
G
ENERAL
P
URPOSE
A/D ................................................................................................................... 31
2.10
C
ONTROL AND
I
NDICATORS
I
NTERFACE
.............................................................................................. 32
2.10.1
R
ESET
............................................................................................................................................ 32
2.10.2
VREF
R
EFERENCE
R
EGULATOR
...................................................................................................... 32
2.10.3
W
AKE
-U
P
O
UT
................................................................................................................................ 33
2.10.4
A
NTENNA
D
ETECTION
...................................................................................................................... 34
2.10.5
CDMA
NW
D
ETECTION
.................................................................................................................. 35
2.10.6
T
RANSMISSION
I
NDICATOR
............................................................................................................... 35
2.10.7
G
ENERAL
P
URPOSE
I/O .................................................................................................................. 35
2.11
A
NTENNA
I
NTERFACE
......................................................................................................................... 36
Motorola General Business Use
Page 2 of 36
Applicant: Motorola, INC
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