Samsung SGH-A188 Block Diagram

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3-1

3. SGH-A100/A110/A188 Block Diagrams

LCD

CON.

- KS0 723( Ω± )

MEMORY

-16MFLASH &
2M SRA M

-ONECHIP( S HARP)

EEPROM

-126K

MMI CON.

-30PIN

IRDA

- HSDL- 3201

IF CON.

- HSDL- 3201

VPACVCCD

VCCA1

VOSC

VRF
VTI C
VSIM
VSYN

VSW
Vba t

Vsi m_Ref

Vtest

Pwr _OnOf f

PM IC

20436

Spkr +
Spkr -

Led_c t l
Vbat

Reset _B
D[7: 0]

A(0)

A[20: 0]
D[ 15: 0 ]

Flash_Sel
Read

Wri t e
Cl k _Rqst
Reset _B
Audi o_Fl ash
Upper _B yte
Lower _Byte

Ram _Sel

Kbd_St rb[7 : 0]
Kbd _Rt n[ 2: 0 ]

Red_Led_En
Gr een_Led_Eb
Lde_Ct l
Fli p_Sns

I r da_En
Sds_Rx

Sds_Tx

Sds_Rx
Sds_Tx

Debug_Rx
Debug_Tx

Mi c ­Mi c +

Ta_Det
Vext
Bp_V f

Rx_E n1
Tx_En1
Sys_Ee

Pwr_OnOff
Al arm

Ta_Det
S_D at

S_C lk
Reset _ B

Si m _Reset
Si m _Cl k

Si m _Dat
Si m _En

Boost _ En

S_D at
S_C l k

VSI M

Cl k _Rqst
Por

Lcd_Se
Mi r _E n

Psw_Sn s

VCCD /VBAT

M4 6

CS 3/LCD_SEL
MO TOR_E N

A[20 : 0]
D[ 1 5: 0]
FLASH_S EL
RD

WR
CLKR EQ
RE SET
CS 4/AUD_FLAS
H

BS1
BS0
RA M_S E L
SDA
SCL

KBDS RB[7:0]
KBDRTN[2:0]

RE D_LED _EN
GR EE N_LED
LED_CNTL
FLI P_SNS

PSW_SNS

IRDA _EN
SDS_RX
SDS_TX

Si m _ C l a mp

SYS_CLK

F_ RT

RX CLK

RXD ATA

RXR ATE
CDCR AT E
DECDATA
ENCD ATA

CDC CL K
CTLRATE
CTLDATA

RE SPDAT A

CTLCLK

TRES
TCLK

TMS
TDI

TDO

Bu zz er _En

XTL0
XTLI

VRTC

Vse t

Ba t _Det _E n

Ta_Present

Char ger_Disable

Send_End
Hdst_Det

Rmt _ Ct l

Dai _Clk

Cl k_ Rqs t

Reset_B

Sys_Cl k
F_Rt
Rx_Clk

Rx_Dat
Rx_Rt
Cdc_Rt
Dcdr_Dat
Encdr _Dat

Cdc_Cl k
Cnt l _ Frm
Cnt l _ Dat
Rspns_Dat
Cnt l _ Cl k

JTAG

GND

Buzze r

ci rcui t

X- t al

32. 768ß’

BAT

GND

OSC1 0 1

19.5MHz

Por

Vext
VBat

Bp_Vf
Bat _Det _En

Ta_Present
Ta_Det

Charger_Disable

Dai _R eset

Bp_Det

VCCA1/ V CCD /VOs c

20420

CLK_RQS T
RE SET_B

SYS_ C LK
F_R T
RX _CLK
RX _DAT

RX _RT
CD C_RT

DE C_DAT
ENC_DAT
CD C_CLK
C LT_FRM

CTL_DAT _IN
CTL_DAT _OUT
CTL_CL K

XT AL _OUT
XT AL _I N

Mi c +
Mi c -

Spkr +
Spkr -

Por
Bp_Det

Pow er I c

RX_IF_ P
RX_IF_ M

TX_EN1
RX _EN1

SYN_EN

TX_EN0
TX_EN2

SYN_R EF

RX _GAIN0

HI _BA ND_SE L

AUX_ADC _IN

TX_PWR_P
TX_PWR_M

Li ne_Q­Li ne_Q+

Li ne_I+
Li ne_I-

Mi c _B i as

SYN_CLK
SYN_D AT
SYN_EN1

SYN_LCK

TXL_P

TXL_M
TX_Q_P
TX_Q_M

Rx_Gai n0

Temp_Sns

Audi o c i r c ui t

Rx_I f +
Rx_I f -

Tx_En1
Rx_E n1
Syn_En

Tx_En0
Tx _ En2

Syn_Ref

Syn_Cl k
Syn_Dat
Syn1_En

SYN0_ LCK

Tx_I+
Tx_I­Tx_Q+

Tx_Q-

Highband

CERAMI C

FILTE R

LC

filter

LM 60CIM

Rxmxo

( 14.6MHz)

Txi f+
Txi f-

Txmop
Txmom

VRF

RX MO

IFI2+
IFI2­IF20+
IF20-

TX_ENA
RX ENA
SXENA

FR EF

CLK
DA TA
LE

LD

I+
I­Q+
Q-

TXIF+
TXIF-

TXMO+
TXMO-

VSYN VRF

RF137

385. 4MHz
mi xe r &

Amp

Tx_Pwr +
Tx_Pwr -

IFIN+

IFI N-

UH F_TUNE

VHF_TUNE

VCC 6
RES 1

RES 2
VCC 5

LOI N

LOINR

TXIN

TXI NR

TLCPO

Uh f _Tune
Highband

Vhf _Tun e

Txl o1

Txrf1

Tl c po

GSM369MHz
DCS 358MHz

Hi g h ba nd

Tx _En1

TFS400B7

(SAW

400MHz)

OUT2 I N 2
OUT1 I N 1

OSC3 01

RXV CO

MQW010

Tx VCO

OUT2

VC

OUT1

SW1
SW2

Gsm_Sw

GAT E

RF142

VPCGS M

VAPC+
VAPC-

VPCDC S

BAND

TX_EN2

RFPC +

Rfifin+

Rfifin-

Rxl o1

Dcs _Sw

RF210

RM 008

GSMIN
DCS IN

PA M

GSMA PC
DC SAPC

Dcs _Sw
Tx_En2

FI R ST
MIXER

&

LNA

GSM OUT
DCSOUT

Rf _ C p l

Hi ghband ( M46)
Rx_E n1 ( 204 20 )
Rx_Ga i n0 ( 2 04 20 )

Gsm_Pa
Dcs _Pa

SAW-FILTER

FAR- F5CE

SAW-FILTER

FAR- F5CE

Dc s _ Rx

DU AL _COUPLER

(LDC15D)

FL_OUT

FL

FH_OUT

FH

Gsm_Rx

GSM : 935~960MHz
DCS : 1805~1880MHz

ANT_SWIT CH

(LMC36- )

RX _GSM
RX _DCS

TX_GSM
TX_DCS

ANT
VC1

VC2
VC3
VC4

Gsm_Tr
Dcs _Tr

GSM : 890~ 915M Hz
DC S : 1710~1785MHz

MHC- 17 3

Hi ghband ( M46)
Tx_En0 ( 20420)