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5-6
Samsung Electronics
5-6 Logic Schematic (Level 2) Circuit Diagram
VCC
VCC
(SHEET 8)
(Keypad B’d)
(SHEET 6)
(SHEET 7)
(SHEET 9)
(SHEET 10)
(Keypad B’d)
A
VCC
VCC
A
VCC
A
VCC
TEMPERA
TURE
TXCLK
TXDA
T
A
TXEN2
TXPOWER
TXRDY
TXSFM
VCC
WR
uP_ON_OFF
RD
REF
ADCN
REF
ADCP
RS232_CTS
RS232_R
TS
RS232_RXD
RS232_TXD
RST
R
TC_INT
RXCLK
RXDA
T
A
RXEN1
RXEN2
RXRDY
RXSFM
SCL
SDA
SIMALIM
SIMCLK
SIMDA
T
A
SIMRST
SIM_5V3V
SP
SYNCLK
SYNDA
T
A
SYNEN
SYNEN1
A(0:19)
AFC
AGC
A
VCC
BA
T_TYPE
BA
T_VOL
T
BFI
BOOT
CLK13M
CLK13M_K
CSRAM
CSROM
CSVOC
D(0:15)
DCIN
EXT_INT
GND1
GND2
KIRXN
KIRXP
KQRXN
KQRXP
LCD_A2
LCD_WR
MAX_VOL
T
MAX_VOL
T
MIC2N
MIC2P
RS232_CTS
RS232_R
TS
RS232_RXD
RS232_TXD
SCL
SDA
SPK2N
SPK2P
VCC
VCC
KERNEL BLOCK
+3VR
TC
MIC2P
RD
RST
RXCLK
RXDA
T
A
RXRDY
RXSFM
SP
SPK2N
SPK2P
TXCLK
TXDA
T
A
TXRDY
TXSFM
VCC
WR
VCC
INTERFACE
+VBA
TT
ANT
BA
T_TYPE
BOOT
DCVOL
T
GND
VOCODER BLOCK
+VBA
TT
A(0:19)
A
VCC
BFI
CLK13M_K
CSVOC
D(0:15)
GND1
GND2
MIC2N
VCC
SIM INTERFACE BLOCK
GND
SIMALIM
SIMCLK
SIMDA
T
A
SIMRST
SIM_5V3V
VCC
LCD AND KEYBOARD BLOCK
+VBA
TT
D(0:15)
LCD_A2
LCD_WR
WR
BASEBAND FILTERS BLOCK
A
VCC
GND
IRXN
IRXP
KIRXN
KIRXP
KQRXN
KQRXP
QRXN
QRXP
RXEN2
VCC
A
VCC
MEMORY BLOCK
A(0:19)
CDROM
CSRAM
D(0:15)
GND
RD
VCC
SYNEN
QRXN
TXEN2
TXEN1
KEYBOARD_ROW(0:4)
KEYBOARD_ROW(0:4)
TXEN1
REFTXN
KEYBOARD_COL(0:4)
KEYBOARD_COL(0:4)
GND
VCC
REFTXN
REFTXP
LCDEN
LCDEN
REFTXP
QTXN
BACKLIGHT
BACKLIGHT
ON_OFF
QTXN
QTXP
RI_LIGHT
RI_LIGHT
QTXP
ITXN
ITXN
ITXP
R
TC_ON_OFF
ITXP
+3VRTC
DCIN
ON_OFF
RTC_INT
GND
uP_ON_OFF
REFADCN
REFADCP
SYNDATA
EXT_INT
RXEN1
RXEN2
AGC
AFC
TXPOWER
VCC
SYNCLK
SYNEN1
BAT_VOLT
TEMPERATURE
AVCC
GND
IRXP
IRXN
QRXP
+VBATT
DCVOLT
CLK13M
RTC
_ON_OFF
05-Schematic Diagrams 7/21/99 11:31 AM Page 6