SPP-SS955
7-2.
BLOCK DIAGRAM – HANDSET Section –
– 25 –
– 26 –
ASIC
IC501
CODEC
IC401
05
B+
B+
RXIP
RXIN
RXQP
RXQN
RXIP
DATAI
RXIN
RXQP
RXQN
16 BIT
REGISTER
16 BIT
REGISTER
MIC
AMP
LINE
AMP
CONTROL
REGISTER
BUZZER DRIVE
Q502
MIC AMP
Q1
VBAT (FOR RX)
CN501
RFU501
RF UNIT
ANT501
(ANTENNA)
LNAATN
RXEN
AGC
LNAATN
RXEN
AGC
•
SIGNAL PATH
: RX
: TX
: BELL
51
MODULATOR &
FILTER
MODULATOR &
FILTER
29
CDCDATAO 25
FRAME
20
CDCFRAME 32
ICLK
21
CDCICLK 28
MCLK
26
CDCMCLK 26
RESETB
25
DATAO
30
RESETO 27
CDCDATAI 24
LINE-IN
SP401
(SPEAKER)
BZ401
(BUZZER)
13
MICIN
MIC401
(MIC)
11
33
LED1
B+
EEPROM
IC502
89
83
52
53
54
43
44
60
1
6
5
4
3
7
2
8
TX.DATA
TXPWR0
TXPWR1
TXEN
TXDATA
TXPWR0
Q504
Q504, 505
TX POWER
ATTENUATOR
Q505
TXPWR1
TXEN
62
ARTI
RESETI
96
VBAT (FOR PLL)
VBAT (FOR TX)
CN502
TXRXSW
SYNDATA
SYNCLK
10
2
7
4
5
6
12
11
SYNSTB
13
SYNEN
15
REFOSC
TXRXSEL
SYNDATA
SYNCLK
SYNSTB
SYNEN
SYNTH5MCLK
14
3
49
85
80
79
82
65
71
72
75
66
NVDI
NVDO
SKDI
DO
76
77
X501
9.6MHz
XTALO
XTALI
97
98
5
6
SPEAKER
AMP
LINE
AMP
LINEO
17
SPKPO
19
LEVEL SHIFT
Q503
SPKMO
18
KEYPADI0 –
KEYPADI5
10 – 15
KEYPADB0 – KEYPADB3
36, 35, 31, 22
RINGOFF
OFF
ON
D501
TALK/BATT
LOW
S501
RING
KEY MATRIX
SW1 – 15, 17, 19, 20, S502
PARKP
RESET SIGNAL
GENERATOR
IC301
CHARGE ON
DETECT
Q301
RESET SWITCH
Q302, 303
B+
CHARGE
TERMINAL
D301 – 304
D305
RECHARGEABLE
BATTERY
(BP-T24)
ART
+
–
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
