Atr0620 [preliminary, Figure 1-1. block diagram – Rainbow Electronics ATR0620 User Manual
Page 3

3
4574CS–GPS–05/05
ATR0620 [Preliminary]
Figure 1-1.
Block Diagram
E
m
bedded
IC
E
In
terface to
O
ff-
C
hi
p Memor
y
(EBI
)
SR
AM
128K
RO
M
288K
B
R
I
D
G
E
JT
A
G
ASB
P
DC2
U
SAR
T0
U
SAR
T1
US
AR
T
2
SP
I
PI
O2
Con
trol
ler
Watchdog
Sp
ec
ia
l
Fu
nc
tio
n
Reset
Con-
tr
oller
Po
we
r
Mana
ge-
ment
Controlle
r
PW
M
G
enerator
Cl
ock
Manage
r
(CLM)
GP
S
Ac
ce
le
ra
to
r
GPS
Correlat
ors
PIO
2
PIO
2
AR
M7TD
MI
AP
B
A
dvanced
Int
er
rup
t
Controlle
r
SR
AM
RTC
SIGHI
nSLEEP
nSHDN
PIO
2
P1/GPSMODE6
CLK32768
nRESET
TMS
TCK
TDO
TDI
nTRST
TEST_MODE
DBG_EN
EM_DA0
EM_DA15
EM_A1
EM_A19
CLK23
RF_ON
P0/RXD0
P15/TXD0
P31/RXD1
P18/TXD1
P22/RXD2
P21/TXD2
P12/GPSMODE8
P13/GPSMODE11
P14/GPSMODE0
P17/GPSMODE1
P19/GPSMODE9
P23/GPSMODE4
P24/GPSMODE2
P25/GPSMODE3
P26/GPSMODE5
P27/GPSMODE7
P29/GPSMODE10
SIGLO
P20/TIMEPULSE
P2/BOOT_MODE1
P3/nCS1
P4/nCS0
P5/NWE/NWR0
P6/NOE/NRD
P9/EXTINT0
P11/EXTINT2
P10/EM_A0/NLB
P16/NWD_OVF
P8/PDSR8
P28/EM_A20
P30/BOOT_MODE0
P7/NUB/NWR1
Po
w
er
S
upp
ly
Manage
r
LDO_EN
LDO_IN
LDO_OUT
LDOBAT_IN
VBAT18_I
VBAT18_O
VBAT
- BT-R900 (2 pages)
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- 900 (239 pages)