atr0622p1 ATMEL Corporation, atr0622p1 Datasheet - Page 7

• Manufacturer Part Number: atr0622p1
• Description: Gps Baseband Processor
• Manufacturer: ATMEL Corporation

3.2
Table 3-2.
4973AS–GPS–12/07
Note:
CONFIG
Module
USART
APMC
USB
AGC
RTC
GPS
EBI
AIC
SPI
PIO
Signal Description
1. The USB transceiver is disabled if VDD_USB < 2.0V. In this case the pins USB_DM and USB_DP are connected to GND
(internal pull-down resistors). The USB transceiver is enabled if VDD_USB is within 3.0V and 3.6V.
NPCS1 to NPCS3
ATR0622P1 Signal Description
GPSMODE0-12
RXD1 to RXD2
SCK1 to SCK2
TXD1 to TXD2
BOOT_MODE
NANTSHORT
AGCOUT0-1
NSS/NPCS0
TIMEPULSE
STATUSLED
NAADET0-1
EXTINT0-1
NEEPROM
P0 to P31
USB_DM
USB_DP
NSLEEP
XT_OUT
NSHDN
SIGLO0
SIGLO1
RF_ON
ANTON
SIGHI0
SIGHI1
Name
XT_IN
MOSI
MISO
SCK
Function
Boot mode input
Transmit data output
Receive data input
External synchronous serial clock
USB data (D+)
USB data (D-)
External interrupt request
Automatic gain control
Sleep output
Shutdown output
Oscillator input
Oscillator output
SPI clock
Master out slave in
Master in slave out
Slave select
Slave select
Programmable I/O port
Digital IF
Digital IF
Digital IF
Digital IF
GPS synchronized time pulse
GPS mode
Status LED
Enable EEPROM support
Active antenna power on output
Active antenna short circuit
detection input
Active antenna detection input
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Type
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Active Level Comment
High/
Edge
Low/
Low
Low
Low
Low
Low
Low
Low
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
PIO-controlled after reset,
internal pull-down resistor
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
Interface to ATR0601
PIO-controlled after reset
Interface to ATR0601
PIO-controlled after reset
Interface to ATR0601
Connect to pin LDO_EN
RTC oscillator
RTC oscillator
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
Input after reset
Interface to ATR0601
Interface to ATR0601
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
ATR0622P1
7