Panasonic KX-NT553RU-B / KX-NT556RU-B Service Manual ▷ View online
81
KX-NT553RU/KX-NT553RU-B/KX-NT556RU/KX-NT556RU-B
F10
VDDIO_DDR
PI
VDDIO_DDR (1.8)
F11
PLL2_AVDD
PI
PLL2_AVDD (1.2)
F12
PLL1_AVSS
P
PLL1_AVSS
F13
PLL1_AVDD
PI
PLL1_AVDD (1.2)
F14
SPI1CS0
O_
LCD_CS
F15
D1TX
O_ _low
UCFG2(strap)
F16
TEST
I_
TEST
F17
T1SCLK
O_ _low
UCFG3(strap)
F18
TRST
I_
TRST
F19
XO25M
O_
XO25M
G 1
MEMCLK
O_
SD_CLK
G 2
MEMXA12_EXTINT14
O_
XA12
G 3
MEMCS0_LCDD0
O_ _low
NC
G 4
MEMCS1_LPCLK
O_ _low
NC
G 5
VDDIO
PI
VDDIO (3.3)
G 6
GND
P
GND
G 7
GND
P
GND
G 8
GND
P
GND
G 9
GND
P
GND
G10
GND
P
GND
G11
VDDIO_DDR
PI
VDDIO_DDR (1.8)
G12
PLL2_AVSS
P
PLL2_AVSS
G13
PLL3_DVDD
P
PLL3_DVDD (1.2)
G14
SPI1DI
O_
LCD_A0
G15
TCK
I_
TCK
G16
TDI
I_
TDI
G17
EXTINT15_SYNCPORT
O_ _low
NC_TP(GPIO3)
G18
RF_RADIO_EN_EXTINT9
O_
ST3
G19
MAIN_CLK_OUT
O_
25MOUT
H 1
MEMXD8_LCDD12
I/O_
XD8
H 2
MEMDQMBLS0_LCDD17
O_
DQMBLS0
H 3
MEMCS2_EXTINT6
O_
SD_CS
H 4
MEMCS3_EXTINT7
I_
PHY_INT
H 5
VDD
PI
VDD (1.2)
H 6
VDDIO
PI
VDDIO (3.3)
H 7
GND
P
GND
H 8
GND
P
GND
H 9
GND
P
GND
H10
GND
P
GND
H11
GND
P
GND
H12
GND
P
GND
H13
PLL3_AVSS
P
PLL3_AVSS
H14
ETEST
I_
ETEST
H15
TMS
I_
TMS
H16
TDO
O_
TDO
H17
RF_SDATA_IN_SD_D3
O_
LCD_RST
H18
RF_TR_DATA_EXTINT10
O_
LCD_CONTRAST_A
H19
RF_SLOT_CTRL_SD_DETECT
O_
LCD_CONTRAST_B
J 1
MEMXD9_LCDD13
I/O_
XD9
J 2
MEMXD7_LCDD11
I/O_
XD7
J 3
MEMDQMBLS1_EXTINT5
O_
DQMBLS1
J 4
MEMWR
O_
SD_WE
J 5
VDDIO
PI
VDDIO (3.3)
J 6
GND
P
GND
J 7
GND
P
GND
J 8
GND
P
GND
J 9
GND
P
GND
J10
GND
P
GND
J11
GND
P
GND
J12
OSC25M_VSS
P
OSC25M_VSS
J13
OSC25M_VDD12
PI
OSC25M_VDD12
J14
IF_T_DATA
O_ _low
NC
J15
IF_RX1
O_ _low
NC
J16
RF_SEN_SD_WR_PROT
O_
ST2
J17
RF_SCLK_SD_D2
O_
ST1
J18
RF_SDATA_OUT_SD_D1
O_
ST0
J19
IF_EN_DA
O_ _low
NC
Pin No.
Terminal Name
I/O Setting
Function
Remark
82
KX-NT553RU/KX-NT553RU-B/KX-NT556RU/KX-NT556RU-B
K 1
MEMXD6_LCDD10
I/O_
XD6
K 2
MEMXD5_LCDD7
I/O_
XD5
K 3
MEMXD10_LCDD14
I/O_
XD10
K 4
MEMXD11_LCDD15
I/O_
XD11
K 5
VDD
PI
VDD (1.2)
K 6
GND
P
GND
K 7
GND
P
GND
K 8
GND
P
GND
K 9
GND
P
GND
K10
GND
P
GND
K11
GND
P
GND
K12
VDDIO
PI
VDDIO (3.3)
K13
VDD
PI
VDD (1.2)
K14
IF_INT_ANA
O_ _low
NC
K15
IF_MLSE
O_ _low
NC
K16
IF_NARES
O_ _low
NC
K17
IF_DATA_DA
O_ _low
NC
K18
AMPOUT0
AO
AMPOUT0
K19
AMPOUT1
AO
AMPOUT1
L 1
MEMXD3_LCDD5
I/O_
XD3
L 2
MEMXD13_LCDD19
I/O_
XD13
L 3
MEMXD14_LCDD20
I/O_
XD14
L 4
MEMXD2_LCDD4
I/O_
XD2
L 5
VDDIO_RGMII
PI
VDDIO_RGMII (3.3)
L 6
VDDIO
PI
VDDIO (3.3)
L 7
GND
P
GND
L 8
GND
P
GND
L 9
GND
P
GND
L10
GND
P
GND
L11
GND
P
GND
L12
GND
P
GND
L13
PLL3_AVDD
PI
PLL3_AVDD (1.2)
L14
IF_EN_AD
O_ _low
NC
L15
IF_DATA_AD
O_ _low
NC
L16
IF_CLK_IF
O_ _low
NC
L17
AMPOUT2
AO
NC
L18
AMPOUT3
AO
NC
L19
DIFFIN1P
AI
DIFFIN1P
M 1
MEMXD1_LCDD3
I/O_
XD1
M 2
MEMXD4_LCDD6
I/O_
XD4
M 3
MEMXD15_LCDD21
I/O_
XD15
M 4
MEMXD0_LCDD2
I/O_
XD0
M 5
VCC_USB2
PI
VCC_USB2 (3.3)
M 6
VDDL_USB1
PI
VDDL_USB1 (1.2)
M 7
OSC12M_VSS
P
OSC12M_VSS
M 8
VDD
PI
VDD (1.2)
M 9
GND
P
GND
M10
VDD
PI
VDD (1.2)
M11
GND
P
GND
M12
GND
P
GND
M13
VDDIO_APU
PO
VDDIO_APU (1.8)
M14
VDDIO_RFAPU
PI
VDDIO_RFAPU (1.8)
M15
VCC_AMP_OUT
PI
VCC_AMP_OUT (3.3)
M16
GND_AMP_OUT
P
GND
M17
DIFFIN0N
AI
DIFFIN0N
M18
DIFFIN0P
AI
DIFFIN0P
M19
DIFFIN1N
AI
DIFFIN1N
N 1
MEMXD12_LCDD18
I/O_
XD12
N 2
MIIRXER_EXTINT12
O_
E_RST
N 3
MII_TXER_SPI1CS1
O_
E_TXER
N 4
MDC
O_
E_MDCLK
N 5
VDDA_USB1
PI
VDDA_USB1 (3.3)
N 6
USB1VRES
I_
USB1VRES
N 7
OSC12M_VDD12
PI
OSC12M_VDD12
N 8
VDDIO_NFLQSPI
PI
VDDIO_NFLQSPI (3.3)
N 9
VDDIOC
PI
VDDIOC (3.3)
N10
VDDIO
PI
VDDIO (3.3)
Pin No.
Terminal Name
I/O Setting
Function
Remark
83
KX-NT553RU/KX-NT553RU-B/KX-NT556RU/KX-NT556RU-B
N11
DGPIO30
O_ _low
NC
N12
VDD
PI
VDD (1.2)
N13
VDD_ANA
PO
VDD_ANA (1.8)
N14
MICPWR1
PO
NC
N15
SINGIN0
AI
NC
N16
VCCA
PI
VCCA (3.3)
N17
GNDA
P
GND
N18
XI13M
AI
NC
N19
BCLK
O_ _low
NC
P 1
MIIRXD1_RGMIIRD1
I_
E_RXD1
P 2
MIIRXD3_RGMIIRD3
I_
E_RXD3
P 3
MIIRXD2_RGMIIRD2
I_
E_RXD2
P 4
MIIRXCRS_U2TX
I_
E_CRS
P 5
USB1ID
I_
USB1ID
P 6
USB1VBUS
PI
USB1VBUS (5.0)
P 7
KEY_COL6
O_
LED FF1(Green)
P 8
KEY_ROW9
O_
LED AUTO ANS(Red)
P 9
KEY_ROW8
O_
LED INTERCOM(Green)
P10
KEY_ROW7_IIC2SDA
O_
LED FF3(Red)
P11
U1CTS_DIGMIC_DATA
O_
LED SP-PHONE
P12
DGPIO31
O_ _low
NC
P13
TPX2
O_ _low
NC
P14
VREF
PO
VREF
P15
MICPWR0
PO
MICPWR0
P16
SINGIN1
AI
NC
P17
DCIN2
AI
NC
P18
TPS
O_ _low
NC
P19
XO13M
O_ _low
NC
R 1
MIIRXCK_RGMIIRXC
I_
E_RXCLK
R 2
MIICRS_DV_RGMIIRX_CTL
I_
E_RXDV
R 3
MIIRXD0_RGMIIRD0
I_
E_RXD0
R 4
MDIO
I/O_
E_MDIO
R 5
NFLREADY1_MEMXA22
I_
NFLREADY
R 6
NFLD7_MEMXA21
I/O_
NFLD7
R 7
EXTINT3_CLK_REF_OUT
O_
CLK_REF_OUT
R 8
EXTINT1_IIC1SCL
O_
25M50MSTRAP
R 9
KEY_ROW3
I_PU
KEY_IN3
R10
KEY_COL5
O_
LED FF1(Red)
R11
U1RX
O_PU
NC_TP(URX)
R12
U1RTS_DIGMIC_CLK
O_
LED RINGER
R13
FORCEMUTE
I_
FORCEMUTE
R14
LEDSINK2
O_ _low
NC
R15
VDD12_DCLS
PI
VDD12_DCLS
R16
VSS
P
GND
R17
VSS
P
GND
R18
TPY1
O_ _low
NC
R19
DCIN0
AI
NC
T 1
MIITXEN_RGMIITX_CTL
O_
E_TXEN
T 2
MIIREFCK_RGMIITXC
I_
E_TXCLK
T 3
MIICOL_U2RX
I_
E_COL
T 4
NFLRD_MEMXA24
O_
NFLRD
T 5
NFLCS0_MEMXA18
O_
NFLCS0
T 6
NFLD4_QDQ3
I/O_
NFLD4
T 7
NFLD5_QCS0
I/O_
NFLD5
T 8
KEY_ROW0 * P.34
I_PU
KEY_IN0
T 9
KEY_COL1
O_
KEY_OUT1
T10
KEY_COL4
O_
KEY_OUT4
T11
U1TX
O_ _low
UCFG1(strap)
T12
TEST_ANA
I_
TEST_ANA
T13
EXT_REG_CTL
O_
T14
DCDC_VSENS
I_
DCDC_VSENS
T15
SINK_DCLS
P
SINK_DCLS0
T16
SINK_DCLS
P
SINK_DCLS1
T17
TPX1
O_ _low
NC
T18
TPY2
O_ _low
NC
T19
GNDI
P
GND
U 1
MIITXD1_RGMIITD1
O_
E_TXD1
Pin No.
Terminal Name
I/O Setting
Function
Remark
84
KX-NT553RU/KX-NT553RU-B/KX-NT556RU/KX-NT556RU-B
U 2
MIITXD0_RGMIITD0
O_
E_TXD0
U 3
USB1N
I/O_
USB1N
U 4
NFLALE_MEMXA17
O_
NFLALE
U 5
NFLWR_MEMXA23
O_
NFLWR
U 6
NFLD1_QDQ0
I/O_
NFLD1
U 7
EXTINT0_IIC1SDA
O_ _low
NC
U 8
KEY_ROW1
I_PU
KEY_IN1
U 9
KEY_COL0
O_
KEY_OUT0
U10
KEY_ROW6_IIC2SCL
O_
LED FF2(Green)
U11
EXTINT8_DRV_Vbus
O_
LED FF3(Green)
U12
DCINS
AI
NC
U13
PWM0
O_ _low
NC
U14
VCC5V_DCDC
PI
VCC5V_DCDC
U15
VDD18_DCLS
PI
VDD18_DCLS (1.8)
U16
VCC5V_DCLS
PI
VCC5V_DCLS
U17
VCC5V_DCLS
PI
VCC5V_DCLS
U18
VSS
P
GND
U19
DCIN1
AI
NC
V 1
MIITXD3_RGMIITD3
O_
E_TXD3
V 2
MIITXD2_RGMIITD2
O_
E_TXD2
V 3
USB1P
I/O_
USB1P
V 4
NFLD3_QDQ2
I/O_
NFLD3
V 5
NFLCLE_MEMXA25
O_
NFLCLE
V 6
NFLD2_QDQ1
I/O_
NFLD2
V 7
EXTINT2_CLK_OUT
O_ _low
NC_TP(CL101)
V 8
KEY_ROW4
I_PU
KEY_IN4
V 9
KEY_COL3
O_
KEY_OUT3
V10
KEY_ROW5
I_PD
KEY_IN5(HOOK)
V11
SD_D0
O_ _low
CKOUT0_STRAP
V12
RSTN
I_
RSTN
V13
LEDSINK1_PWM1
O_ _low
NC
V14
COIL_DCDC
PO
COIL_DCDC
V15
VDD18_DCDC
PO
VDD18_DCDC
V16
VCC33SW_DCLS
PI
VCC33SW_DCLS (3.3)
V17
VCC_ANA
PI
VCC_ANA (3.3)
V18
PAOUTN
AO
PAOUTN
V19
PAOUTP
AO
PAOUTP
W 1
USB2N
I/O_
NC(USB2N)
W 2
USB2P
I/O_
NC(USB2P)
W 3
XI12M
I_
XI12M
W 4
XO12M
O_
XO12M
W 5
NFLD0_QCLK
I/O_
NFLD0
W 6
NFLD6_QCS1
I/O_
NFLD6
W 7
KEY_COL7_SPI2CS
O_
LED FF2(Red)
W 8
KEY_ROW2
I_PU
KEY_IN2
W 9
KEY_COL2
O_
KEY_OUT2
W10
SD_CLK
O_PU
CKOUT1_STRAP
W11
SD_CMD
O_PU
UCFG0(strap)
W12
VCC_ANA
PI
VCC_ANA (3.3)
W13
GND_DCDC
P
GND
W14
SINK_DCDC
P
SINK_DCDC
W15
DCDC_VRP
PO
DCDC_VRP
W16
VCC33_DCDC
PO
VCC33_DCDC (3.3)
W17
VDDSW_DCLS
PI
VDDSW_DCLS (1.8)
W18
VSS
P
GND
W19
DCIN3
AI
NC
Pin No.
Terminal Name
I/O Setting
Function
Remark
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