Rainbow Electronics ATR0622 - Manual (Page 14)

14
4891CS–GPS–01/06
ATR0622 [Preliminary]
3.4 External Connections for a Working GPS System
Figure 3-2. Example of an External Connection
ATR0601
ATR0622
SIGH
SIGL
SC
PURF
PUXTO
SIGHI
SIGLO
CLK23
RF_ON
see Table 3-15
see Table 3-15
see Table 3-15
see Table 3-15
see Table 3-15
GND
NC
NC
NC
NC
NC
NC
(see Power Supply)
+3V
NC
USB_DM
USB_DP
P18
Optional
USART 2
Optional
USART 1
Optional
USB
P31
P21
VDDIO
VDD_USB
XT_OUT
XT_IN
P22
P20
P8
NRESET
P9
P12 - 17
VBAT
VBAT18
LDO_IN
LDOBAT_IN
VDD18
LDO_OUT
LDO_EN
NSHDN
GND
DBG_EN
TDO
NTRST
TDI
TCK
TMS
P23 - 27
P19
P0 - 2
STATUS LED
TIMEPULSE
NSLEEP
see Table 3-15 P29 - 30
32.368 kHz
(see RTC)
NC: Not connected
(see Power Supply)
+3V
GND
+3V
(see Power Supply)
+3V
(see Power Supply)