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8. Block Diagrams
8-1
CPU
MODEM
AVDD (2.6V)
+VDD_IO_HIGH (2.9V)
+VDD_IO_LOW (1.8V)
AVDD_HFA (2.6V)
SIM
SPI_I/F (LCD_CLK/ SI/ nCS)
KBC(0:1)
KBR(1:2)
HA(1:23) / HD(0:15)
DPRAM
128Kbit
HA(1:13) / HD(0:15)
AUDIO
CODEC
AC97 I/F
- SDATA_IN
- SDATA_OUT
- SYNC
- nAC97_RST
- BITCLK
RF BLOCK
ANT
S/W
TRx
TCXO
26MHz
RX_TX_QP/RX_TX_QN
RX_TX_IP /RX_TX_IN
PHONE
POWER
PDA
POWER
SIM I/F (SIMCLK/SIMRST/SIMIO)
USB
PHONE_ON
VCC_3.3V_BATT
VCC_1.8V
VCC_3.0V
VCC_1.4V_APPS
VCC_1.8V_SYS
VCC_1.4V_SRAM
SIM
SIM I/F(SIM_CLK/_IO/_RST)
PCM I/F (BT_PCM_CLK, SYNC, IN, OUT)
32.768kHz
VBAT
13MHz
32.768kHz
SYS_EN
PWR_EN
FONE_ON
nPHONE_ON
BA(1:13) /BD(0:15)
RCV
RCV_P
RCV_N
AFC
EAROUT_R
EAROUT_L
LDO
SYS_EN
VAUDIO_3.0V
I2C (PWR_SCL/_SDA)
V7
VCC30
32KHz_DIGIT
PMU_RSTON
IT_PMU
VSAVE
VCC18
CS1n_RAM/CRE/BE1n/
nINT_DPRAM
nWE/nOE/BE1n/HA(0)
nDPRAM_INT
CSn/WEn/OEn
VBAT
nRESET_IN
V1
V2
V3
V4
V5
VTF_3.0V
UART
REF_ON
nINT_MODEM
PWR_EN
PDA_ACTIVE_O
PHONE_ACTIVE
RTC
BATT
_RSO
_MR
(RESET_IN)
VAUDIO_3.3V
UART IF
(BT_TXD, RXD, RTS, CTS)
PHONE_ACTIVE
DPRAM_CS_N
nCS_DPRAM
PHONE_ACTIVE
nGPIO_RESET
PS_HOLD_PDA
PH,PHONE_MIC-
MIC
Dual SPDT S/W
EAR_MIC_P
EAR_MIC_N
MAIN_MIC_N
MAIN_MIC_P
MIC-
MIC+
VMICBIAS_2.7V
D-Class
AMP
SPK
CODEC_OUT_R
CODEC_OUT_L
VBAT
AMP_EN (From CPU)
TSMX,Y TSPX,Y
CAM_I/F (CAM_D(0:7)/
PCLK
/HSYNC/VSYNC)
CAM_MCLK
CAM_RST
VCAM_2.8V_A
CAM_EN
I2C_I/F
(I2C_SCL/_SDA)
BVDE
VBAT
VBT_3.0V
LDO
RGB_I/F
(LCD_D(0:17) /DE /
MCLK
/HSYNC/VSYNC)
LCD_nRST
DC/DC
LCD
MAIN LCD
2.8", TFT
320x240
LCD_BLU_DATA
VBAT
LED+_16V
LED-_16V
+VDD_GSM_CORE
VBAT
IF_CON_SENSE
MAIN
BATT
PS_HOLD
V_BAT
Wired
OR
VCC_3.3V_BATT
ON_SW
nPOWER
Initialization Circuit
PS_HOLD
LDO
VBAT
LDO
VCAM_1.8V_D
BT_EN
PDA UART (PDA_RX/_TX)
PON_RESET_PDA_N
RSTON
PMU_RSTON
+VDD_IO_LOW
PHONE_ UART (PHONE_RXD/_TXD)
PHONE USB (_D-)
+VDD_GSM_CORE
VBAT
DC/DC
(LM3671)
EA
R
_S
PK
+/E
A
R
_S
PK
-
PH
O
N
E_
M
IC
+,P
H
O
N
E_
M
IC
-
/EAR_SPK-
PON_TX
+VDD_RX_TX
PAM
V_BAT
PON_PA / MODE_SELECT
BAND_SEL
GSM900
PCS1900
DCS1800
VDD_SLEEP
BKBT
VCC_3.3V_BATT
RF serial control bus
(
RF_CLK/D_REF_CLK
/ RF_DATA / RF_EN)
nR
E
SE
T_
IN
VBAT
AUXADC1
VCC_AF_3.0V
UtRAM
64Mb(4Mx16bit)
NOR
128Mb(8Mx16bit)
HA(0)
CLKBURST
WEn/OEn/ADVn
WAITn
CS0n_Flash
RSTON/FLASH_WPB
PHONE MEM
T_
FL
AS
H
_D
(0
:3
),
T_
FL
AS
H
_
C
LK
, T
_F
LA
SH
_
C
M
D
)
VCAM_2.8V_IO
switch
SPK_L
SPK_R
EARCOM
V_BAT
USB_DETECT
S20
IF_CON_SENSE
nJACK_INT
JTAG_VBUS / RXD / TXD / D+ / D- / IF_CON_SENSE
Phone power
(from MONAHAN)
+VDD_IO_LOW
MAIN_MIC_P/N , LED(RED,GREEN,BLUE)
Quad FEM
TA_nCONNECTED
CHG_ING_N
CHARGER IC
EXT_5V
V_BAT
TA_EN
SPK_SW
LDO
(R1114)
PHONE_USB_EN
VEXT_5V
+VDD_USB
USB_DETECT(from S20)
DUPLISIM
( SIM +
MICRO SD
)
VEXT_5V
LDO
+VDD_SYN_RF
VBAT
GSM850
G
SM
90
0
PC
S1
90
0
D
C
S1
80
0
G
SM
85
0
PDA MEM
(MCP TYPE)
FLASH 2G
DDR SDRAM 1G
TSP
CAMERA
3M AF
Flash LED
LDO
VMOTOR_3.0V
MOTOR
M
VIB_EN
ISA1000
Vibtonez
VIB_EN
VIBTONE_FREQ
MOTOR_V-
VLCD_3.0V
THIN
PAD
SPI I/F
(THIN_SPI_TXD
THIN_SPI_RXD)
LEVEL SHIFT
THIN_SPI_CLK
THIN_SPI_nCS
SPI IF_1.8V
THIN_SPI_CLK_1.8V
THIN_SPI_nCS_1.8V
THIN_MOTION_1.8V, THIN_NRST_1.8V
LCD_EN
OVP
FET
CHG_SEL
IDC
GPS
(GSC3LTF)
BLUETOOTH
16.369MHz
GPS_ED0, ED1(3.0V)
LEVEL SHIFT
UART I/F
(GPS_RXD_3.0V,
TXD_3.0V)
VBAT
UART I/F_1.8V
GPS_ED0, ED1(1.8V)
32.768KHz
LDO
THIN_EN
VTHIN_3.0V
VTHIN_1.8V
VDOPARO_3.3V
FM RADIO
I2C I/F
(I2C_SCL I2C_SDA)
FM_RESET_N, FM_INT
32K_CLK_OUT
FM_LOUT
FM_ROUT
VBAT
T_
FL
AS
H
_D
ET
E
C
T
(FROM MONAHAN)
LDO
VDOPARO_3.3V
LEVEL SHIFT
I2C_I/F
(CAM_SCL/_SDA)
GPS_ON/OFF
REFCLK_13M
LOAD S/W
USB
TRANSCIVER
ULPI_D(0:7)
ULPI_CLK
REFCLK_13M
ULPI_STP,NXT,DIR
ULPI_RESET
LDO
(R1114D331D)
D+
D-
ULPI_EN
EXT_5V
4.096MHz
PHONE_D-
+VDD_IO_HIGH
VCC_3.3V_BATT
VCC_3.0V
Voltage
Detector
VBAT
nGPIO_RESET
D+
D-
FM__ANT
(TO CPU)
SPK_N
SPK_P
AUXADC3
NCP15WB
VDD_SLEEP
VBAT
nRESET_OUT
LCD_FB_SEL
DC/DC
nRESET_OUT
CAM_FLASH_EN
EN
CAM_FLASH_P
CAM_FLASH_N
VBAT
VCC_3.0V
RF_RESET
REF_ON
RAMP, REF_ON
+VDD_IO_LOW
RAMPOUT
+VDD_SYN
VC1, VC2
FM__ANT
GPS_EN
VF
FET
LCD_MODE_SEL
FET
VF
VCC_3.0V
ADC
VBAT
Summary of Contents for SGH-I740c
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