saa1575hl NXP Semiconductors, saa1575hl Datasheet - Page 5

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

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