saa1575hl NXP Semiconductors, saa1575hl Datasheet - Page 40

• Manufacturer Part Number: saa1575hl
• Description: Global Positioning System Gps Baseband Processor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1999 Jun 04
handbook, full pagewidth
Global Positioning System (GPS)
baseband processor
V CC
GND
PL101
JMP3
GND
GND
C105
100 nF
C101
1 nF
C103
1 nF
GND
GND
C107
1 F
(20 V)
C115
1 F
(20 V)
SD
FB
IN
ADJ
ADJ
IN
IN
LP2951CM
8
3
7
U103
GND
1
1
3
3
LM317T(3)
LM317T(3)
4
LL4007
LL4007
GND
D101
U101
D103
U102
GND
1
5
2
6
BATT_OFF
C109
10 F
(10 V)
C116
10 F
(10 V)
OUT
ERR
SNSE
VTAP
2
2
OUT
OUT
GND
GND
R106
18 k
R108
12 k
Fig.27 Power supply circuitry.
1 M
R110
R118
270
R120
240
R121
390
R122
330
R119
820
GND
3 V/5 V
C106
100 nF
JP101
C112
470 nF
R111
1 M
D102
LL4007
D104
LL4007
1
2
GND
V CC
GND
GND
V101
BC848
C111
10 F
(6.3 V)
40
470
R103
R109
1
C102
1 nF
C104
1 nF
V DD(IN)
TP103
GND
GND
GND
V102
BC848
C108
22 F
(5 V)
C110
22 F
(5 V)
R101
R102
1
1
V DD
TP101
TP102
V CC
VRF
MHB294
47 k
47 k
R113
R114
R112
1 M
V CC
VRF
V CC
V DD
V103
BC858
V104
BC858
GND
GND
BC858
BC858
C114
22 F
(6.3 V)
C113
22 F
(6.3 V)
V105
V106
V BAT
V BAT
10 M
10 M
R115
R116
V BAT
SAA1575HL
GND
Product specification
R117
1 k
B101
3 V
170 mAh
BATT_ON
V BB
VRTC