Rainbow Electronics ATR0630 - Manual (Page 10)

10
4920A–GPS–01/06
ATR0630 [Preliminary]
Boot Section
C6 BOOT_MODE DIGITAL IN - Leave open, internal pull down
Reset
A7 NRESET DIGITAL IN Low Reset input; open drain with internal pull-up resistor
APMC/Power Management
E9 NSHDN DIGITAL OUT Low Shutdown output, connect to LDO_EN (C11)
C11 LDO_EN DIGITAL IN - Enable LDO18
E10 NSLEEP DIGITAL OUT Low Power-up output for GPS XTAL, connect to PUXTO (F4)
F4 PUXTO DIGITAL IN - Power-up input for GPS XTAL
G4, H4 PURF DIGITAL IN - Power-up input for GPS radio
F10 RF_ON DIGITAL OUT - Power-up output for GPS radio, connect to PURF (G4, H4)
Advanced Interrupt Controller (AIC)
A11, B10 EXTINT0-1 DIGITAL IN
High/Low/
Edge
External interrupt request
USART
C10, D10 RXD1/RXD2 DIGITAL OUT - USART receive data output
C7, E6 TXD1/TXD2 DIGITAL IN - USART transmit data input
H6, G7 SCK1/SCK2 DIGITAL I/O - External synchronous serial clock
USB
C9 USB_DP DIGITAL I/O - USB data (D+)
D9 USB_DM DIGITAL I/O - USB data (D-)
SPI Interface
F8 SCK DIGITAL I/O - SPI clock
H7 MOSI DIGITAL I/O - Master out slave in
G5 MISO DIGITAL I/O - Master in slave out
B6 NSS/NPCS0 DIGITAL I/O Low Slave select
F7, D6, D5
NPCS1/NPCS2
/NPCS3
DIGITAL OUT Low Slave select
PIO
A11, B[6,10],
C[6-8,10],
D[5-8,10],
E[6,7], F[6-
8], G[5-8],
H[6,7]
P0 to P31 DIGITAL I/O - Programmable I/O ports
Configuration
B[6,10],
D[5,6,8], F[6-
8], H[6,7]
GPSMODE0-
12
DIGITAL IN - GPS mode pins
G8 NEEPROM DIGITAL IN Low Enable EEPROM support
GPS
D7 STATUSLED DIGITAL OUT - Status LED
G7 TIMEPULSE DIGITAL OUT - GPS synchronized time pulse
Table 3-2. Signal Description (Continued)
Pin Number Pin Name Type Active Level Pin Description/Comment