Atr0621 [preliminary – Rainbow Electronics ATR0621 User Manual
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4890AS–GPS–09/05
ATR0621 [Preliminary]
EM_A18
B3
OUT
EM_A19
C5
OUT
EM_DA0
B6
I/O
PD
EM_DA1
B10
I/O
PD
EM_DA2
C7
I/O
PD
EM_DA3
C10
I/O
PD
EM_DA4
D10
I/O
PD
EM_DA5
E7
I/O
PD
EM_DA6
E9
I/O
PD
EM_DA7
B7
I/O
PD
EM_DA8
B8
I/O
PD
EM_DA9
A9
I/O
PD
EM_DA10
C8
I/O
PD
EM_DA11
B9
I/O
PD
EM_DA12
D8
I/O
PD
EM_DA13
C9
I/O
PD
EM_DA14
D9
I/O
PD
EM_DA15
E8
I/O
PD
GND
A1
IN
GND
A10
IN
GND
K1
IN
GND
K10
IN
LDOBAT_IN
K8
IN
LDO_EN
H7
IN
LDO_IN
K7
IN
LDO_OUT
H6
OUT
NRESET
C4
I/O
Open Drain PU
NSHDN
G7
OUT
NSLEEP
J6
OUT
NTRST
K2
IN
PD
P0
K9
I/O
PD
NANTSHORT
P1
G3
I/O
Configurable (PD)
GPSMODE0
AGCOUT1
P2
G4
I/O
Configurable (PD)
BOOT_MODE
“0”
CLK32K
P3
H5
I/O
OH
NCS1
NCS1
“0”
P4
A7
I/O
OH
NCS0
NCS0
“0”
P5
B1
I/O
OH
NWE/NWR0
NWE/NWR0
“0”
Table 3-1.
ATR0621 Pinout (Continued)
Pin Name
LFBGA100
Pin Type
Pull Resistor
(Reset Value)
(1)
Firmware Label
PIO Bank A
PIO Bank B
Notes:
1. PD = internal pull-down resistor, PU = internal pull-up resistor, OH = switched to Output High at reset
2. VDDIO is the supply voltage for the following GPIO pins: P1, P2, P8, P12, P14, P16, P17, P18, P19, P20, P21, P23, P24,
P25, P26, P27 and P29
3. VDD_USB is the supply voltage for the following USB pins: USB_DM and USB_DP. For operation of the USB interface, sup-
ply of 3.0V to 3.6V is required.