ATR0621 Datasheet, PDF (3/20 Pages) ATMEL Corporation – GPS Baseband Processor

Figure 1-1. Block Diagram
NSHDN
NSLEEP
XT_IN
XT_OUT
RF_ON
CLK23
P15/ANTON
P0/NANTSHORT
P14/NAADET1
P25/NAADET0
P20/TIMEPULSE
P29/GPSMODE12
P27/GPSMODE11
P26/GPSMODE10
P24/GPSMODE8
P23/GPSMODE7
P19/GPSMODE6
P17/GPSMODE5
P13/GPSMODE3
P12/GPSMODE2
P1/GPSMODE0
P9/EXTINT0
P2/BOOT_MODE
P30/AGCOUT0
P8/STATUSLED
P16/NEEPROM
P11/EM_A21
P28/EM_A20
P10/EM_A0/NLB
P7/NUB/NWR1
P6/NOE/NRD
P5/NWE/NWR0
P4/nCS0
P3/nCS1
EM_A19
EM_A1
EM_DA15
EM_DA0
DBG_EN
NTRST
TDI
TDO
TCK
TMS
NRESET
4890AS–GPS–09/05
ATR0621 [Preliminary]
SIGLO0
SIGHI0
P21/TXD2
P22/RXD2
P18/TXD1
P31/RXD1
USB_DP
USB_DM
VBAT18
VBAT
LDOBAT_IN
LDO_OUT
LDO_IN
LDO_EN
3