atr0621p ATMEL Corporation, atr0621p Datasheet - Page 16

• Manufacturer Part Number: atr0621p
• Description: Atr0621p Gps Baseband Processor
• Manufacturer: ATMEL Corporation

3.4
Figure 3-2.
16
GND
NC: Not connected
External Connections for a Working GPS System
ATR0601
ATR0621P
Example of an External Connection
+3V
(see Power Supply)
PuXTO
PuRF
SIGH
(see Power Supply)
SIGL
SC
see Table 3-15
see Table 3-15
see Table 3-15
see Table 3-15
see Table 3-15
see Table 3-15
+3V
GND
NC
NC
NC
NC
NC
NC
NC
NC
EM_A1 - 19
SIGHI
SIGLO
CLK23
RF_ON
NSLEEP
NRESET
EM_DA0 - 15
P0 - 7
P9 - 15
P16 - 17
P19
P23 - 30
TMS
TCK
TDI
NTRST
TDO
DBG_EN
GND
NSHDN
LDO_EN
LDO_OUT
VDD18
LDO_IN
LDOBAT_IN
VBAT18
VBAT
ATR0621P
VDD_USB
USB_DM
USB_DP
XT_OUT
VDDIO
XT_IN
P20
P31
P18
P22
P21
P8
STATUS LED
TIMEPULSE
+3V
(see Power Supply)
USART 1
USART 2
32.368 kHz
(see RTC)
Optional
Optional
Optional
USB
+3V
(see Power Supply)
4890G–GPS–01/08