SAA1575HL Datasheet, PDF (5/56 Pages) NXP Semiconductors – Global Positioning System GPS baseband processor

Philips Semiconductors
Global Positioning System (GPS)
baseband processor
5 BLOCK DIAGRAM
Product specification
SAA1575HL
handbook, full pagewidth
80C51XA PROCESSOR MODULE
STATIC RAM
(2 kbytes WORDS)
80C51XA
CORE
UART 0
UART 1
TIMER 0, 1
83
TXD0
84
RXD0
81
TXD1
82
RXD1
XTAL1
14
XTAL2
15
SYSTEM CLOCK
GENERATOR
ADDRESS
AND
DATA
TIMER 2
WATCHDOG
TIMER
D15 to D0
WRH
WRL
RD
IF1
IF2
RCLK
SCLK
T1S
TEST1
TEST2
48, 49, 53 to 59, 62 to 64, 67 to 70
45
46
47
EXTERNAL BUS
INTERFACE
10, 11, 18 to 24, 27 to 29, 32 to 36, 39, 40
41
73
93 CORRELATORS
CONTROL
92
CHANNEL 0
98
CHANNEL 1
CHANNEL 2
1
CHANNEL 3
CHANNEL 4
2
CHANNEL 5
CHANNEL 6
CHANNEL 7
SAA1575HL
CONTROL
REGISTERS
REAL-TIME
CLOCK
89
90
91
5 to 7, 87, 88,
94 to 96
76
75
74
52
RESET
43
CONTROLLER
78
77
99
100
8, 9
16, 25,
12, 30, 37, 51,
13, 17, 26, 31,
38, 50, 60, 65,
97 72 80 66
61, 86 71, 79, 85
4
3
42 44
A19 to A1
PMCS
DMCS
RFDAT
RFCLK
RFLE
GPIO7 to GPIO0
XTAL3
XTAL4
PWRFAIL
PWRDN
RSTIME
PWRM
PWRB
n.c. VCC(R) VCC(B) VCC(core) VCC(P) VSS
TP4 TP3 TP2 TP1
MHB460
1999 Jun 04
Fig.1 Block diagram.
5