atr0621 ATMEL Corporation, atr0621 Datasheet - Page 9

• Manufacturer Part Number: atr0621
• Description: Gps Baseband Processor - Atmel Corporation
• Manufacturer: ATMEL Corporation

Table 3-2.
4890AS–GPS–09/05
JTAG/ICE
LDOBAT
POWER
Module
CLOCK
RESET
LDO18
GPS
PIO
SPI
WD
ATR0621 Signal Description (Continued)
GPSMODE0-12
NSS/NPCS0
TIMEPULSE
MCLK_OUT
LDOBAT_IN
NWD_OVF
VDD_USB
LDO_OUT
NPCS1-3
DBG_EN
NRESET
LDO_EN
SIGLO1
SIGLO2
VBAT18
VBAT18
LDO_IN
SIGHI1
SIGHI2
NTRST
VDD18
VDDIO
CLK23
Name
MOSI
MISO
P0-31
VBAT
TMS
TDO
GND
SCK
TCK
TDI
Function
SPI Clock
Master Out Slave In
Master In Slave Out
Slave Select
Slave Select
Watchdog Timer Overflow
Programmable I/O Port
GPS Mode
Digital IF
Digital IF
Digital IF
Digital IF
GPS synchronized time pulse
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
Power
Type
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Out
I/O
I/O
I/O
I/O
I/O
I/O
Active Level Comment
ATR0621 [Preliminary]
Low
Low
Low
Low
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
Input after reset
PIO-controlled after reset
Interface to ATR0600
Interface to ATR0600
PIO-controlled after reset
PIO-controlled after reset
PIO-controlled after reset
Internal pull-up resistor
Internal pull-up resistor
Internal pull-up resistor
Internal pull-down resistor
Internal pull-down resistor
Interface to ATR0600, Schmitt
trigger input
PIO-controlled after reset
Open drain with internal pull-up
resistor
Core voltage 1.8V
Backup power 1.8V
Variable I/O voltage
USB voltage 3.0V to 3.6V
Ground
1.8V to 3.6V
1.95V to 3.6V
1.8V backup voltage
1.65V to 3.6V
1.8V core voltage, max. 100 mA
9