HCD-GPX33/GPX55/GPX77/GPX88
HCD-GPX33/GPX55/GPX77/GPX88
46
46
• IC Block Diagrams
IC280 BA2903FV-E2 (MB BOARD (8/9))
IC300 USX2064-AEZG-TR (MB BOARD (8/9))
IC420 BU4829F-TR (MB BOARD (7/9))
VCC
GND
+
–
+
–
8
7
6
5
B OUTPUT
B- INPUT
B+ INPUT
1
2
3
4
A OUTPUT
A- INPUT
A+ INPUT
V-
V+
VDO 2
NC
OUT 1
3
VSS
4
Vref
+
–
IC460 RN5B801-0002 (MB BOARD (7/9))
GND 1
VDDRF VDD
VDD
FM Antenna
FM LNA
Filter
ADC
Digital
Mixer
FM
Demodulator
AM
Demodulator
Digital
AGC
RDS
Decoder
Stereo
Decoder
DAC
LOUT
ROUT
LRCK
BCLK
IISD
IIS Controller
IIS
Generator
Station
Detector
Image
Control
RSSI
Calculation
VDD
SPI
12C
HOST Controller
Serial Interface / Registers
Digital Filters
Digital Signal Process
ADC
AMP
AM LNA
LOSC
XOSC
Clock
Generator
AM
TUNE
AM Antenna
2
CP2
3
FRF1 4
GNDRF 5
ARF1
ARF2
IIC / R
DSI
LA
CK
VDD
GND
DA
IISD
IISD
LRCK / LOUT
Lch
Rch
BCLK / ROUT
BCLK
SW
VDD
X2
X1
CP1
SW
Amplifier
LRCK
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
AGC
AMP
AGC
AMP
IC504 M12L64164A-7TG2Y (MB BOARD (2/9))
Clock
Generator
Address
Command Decoder
Control Logic
Mode
Register
Row
Address
Buffer
&
Refresh
Counter
Column
Address
Buffer
&
Refresh
Counter
Bank A
Bank B
Bank C
Bank D
Sense Amplifier
Row Decoder
Column Decoder
Data Control Circuit
Latch Circuit
Input & Output
Buffer
NC 40
UDQM 39
CLK 38
CKE 37
NC 36
A11 35
A9 34
A8 33
A7 32
A6 31
A5 30
A4 29
VSS 28
VDD
27
VSS
41
DQ8
42
VDDQ
43
DQ9
44
DQ10
45
VSSQ
46
DQ11
47
DQ12
48
VDDQ
49
DQ13
50
DQ14
51
VSSQ
52
DQ15
53
VSS
54
A3
26
A2
25
A1
24
A0
23
A10/AP
22
BA1
21
BA0
20
CS
19
RAS
18
CAS
17
WE
16
LDQM
15
VDD
14
1 VDD
2 DQ0
3 VDDQ
4 DQ1
5 DQ2
6 VSSQ
7 DQ3
8 DQ4
9 VDDQ
10 DQ5
11 DQ6
12 VSSQ
13 DQ7
PHY#1
VDDCR
.
.
.
Bus-
power
detect/
Vbus pulse
Upstream
PHY
Repeater
1.2 V reg
PLL
TT
#1
TT
#2
TT
#3
TT
#4
Serial
Interface
Controller
Port
controller
Serial
interface
engine
1.2 V reg
Routing and port re-ordering logic
Port
#1
OC sense
switch driver/
LED drivers
Port
#4
OC sense
switch driver/
LED drivers
PHY#4
27
VBUS_DET
30
USBDM_UP
36
VDD
29
VDD
32
XTALOUT
34
PLLFILT
35
RBIAS
33
XTALIN
22
SDA/SMBDAT
A
23
VDD
28
SUSP_IND
31
USBDP_UP
25
HS_IND
26
RESET_N
24
SCL/SMBCLK
15
VDD
14
CRFILT
10
VDD
1
USBDM_DN1
2
USBDP_DN1
13
OCS_N1
12
PRTPWR1
11
TEST
3
USBDM_DN2
4
USBDP_DN2
5
VDD
6
USBDM_DN3
7
USBDP_DN3
8
USBDM_DN4
9
USBDP_DN4
18 PRTPWR3
21 OCS_N4
19 OCS_N3
20 PRTPWR4
17
OCS_N2
16
PRTPWR2