Rainbow Electronics ATR0625 - Manual (Page 3)

3
4925A–GPS–02/06
ATR0625 [Preliminary]
Figure 1-1. ATR0625 Block Diagram
NSLEEP
NSHDN
XT_IN
NRESET
TMS
TCK
TDO
TDI
NTRST
DBG_EN
CLK23
RF_ON
P0/NANTSHORT
P15/ANTON
P31/RXD1
P18/TXD1
P22/RXD2
P21/TXD2
P2/BOOT_MODE
P16/NEEPROM
P8/STATUSLED
P30/AGCOUT0
LDO_EN
LDO_IN
LDO_OUT
LDOBAT_IN
VBAT
P1/GPSMODE0
P12/GPSMODE2
P13/GPSMODE3
P17/GPSMODE5
P23/GPSMODE7
P24/GPSMODE8
P26/GPSMODE10
P27/GPSMODE11
P29/GPSMODE12
P19/GPSMODE6
P25/NAADET0
P14/NAADET1
P9/EXTINT0
SIGHI0
SIGLO0
VBAT18
XT_OUT
P20/TIMEPULSE
USB_DM
USB_DP
Embedded
ICE
ARM7TDMI
USART1
USART2
PIO2
SPI
USB
ASB
APB
PDC2
B R I D G E
ROM 384K
USB
Transceiver
SRAM 128K
Power Supply
Manager
Watchdog
JTAG
PIO2
Reset
Controller
Interface to
Off-Chip Memory
(EBI)
Advanced
Interrupt
Controller
GPS
Accelerator
Timer
Counter
GPS
Correlators
SMD
Generator
Advanced
Power
Manage-
ment
Controller
SRAM
RTC
PIO2
Controller
Special Function