ATR0622-DK1 ATMEL [ATMEL Corporation], ATR0622-DK1 Datasheet - Page 10

• Manufacturer Part Number: ATR0622-DK1
• Description: GPS Baseband Processor
• Manufacturer: ATMEL [ATMEL Corporation]

Table 3-2.
10
Note:
JTAG/ICE
CONFIG
LDOBAT
POWER
Module
CLOCK
RESET
LDO18
GPS
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
ATR0621P1
(internal pull-down resistors). The USB transceiver is enabled if VDD_USB is within 3.0V and 3.6V.
ATR0621P1 Signal Description (Continued)
GPSMODE0-12
NANTSHORT
TIMEPULSE
STATUSLED
NAADET0-1
MCLK_OUT
LDOBAT_IN
NEEPROM
VDD_USB
LDO_OUT
DBG_EN
NRESET
LDO_EN
SIGLO0
SIGLO1
VBAT18
LDO_IN
ANTON
NTRST
SIGHI0
SIGHI1
VDD18
CLK23
VDDIO
Name
VBAT
GND
TMS
TDO
TCK
TDI
Function
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
Test mode select
Test data in
Test data out
Test clock
Test reset input
Debug enable
Clock input
Master clock output
Reset input
LDO in
LDO out
LDO enable
Output
Output
Output
Output
Output
Power
Power
Power
Power
Power
Power
Power
Power
Type
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Out
I/O
Active Level Comment
High
Low
Low
Low
Low
Low
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
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
Internal pull-up resistor
Internal pull-up resistor
Output high in RESET state
Internal pull-up resistor
Internal pull-down resistor
Internal pull-down resistor
Interface to ATR0601, Schmitt
trigger input
PIO-controlled after reset
Open drain with internal pull-up
resistor
Core voltage 1.8V
Variable I/O voltage 1.65V to 3.6V
USB voltage 0 to 2.0V or
3.0Vto 3.6V
Ground
2.3V to 3.6V
1.5V to 3.6V
1.8V backup voltage
2.3V to 3.6V
1.8V core voltage, maximum
80 mA
(1)
4975BS–GPS–05/08