User Guide

Nokia Customer Care 6255/6255i/6256/6256i (RM-19) Schematics / Layouts 6255/6255i/6256/6256i (RM-19)
Issue 2 05/2005 ©2005 Nokia Corporation Company Confidential Page A-22
Low Power Radio Frequency (LPRF)
HOST_WAKEUP
PURX
UART_RX
SYSCLK
UART_RTS
PCM_CLK
PCM_IN
BT_ResetB
UART_CTS
UART_TX
PCM_OUT
BT ANTENNASTRIP
J6005
VIO
PCM_SYNC
BT_WAKEUP
J6003
10k
R6002
C6004
10n
GND
GND
10k
R6001
10n
C6008
VBAT
GND
22nH
L6004
GND
3n9H
L6001
C6007
10n
GND
C6010
10n
GND
GND
GND
L6000
3n9H
R6000
1M0
C6006
2u2
Bal
Bal
GND
J6004
GND
2441.75MHz
Z6000
LFB2H2G44BB2A257
Unbal
DC
GND
VR3
VIO
GND
C6005
3p3
J6000
J6007
R6005
2R2
C6009
15p
1p2
C6000
J6002
U1
R6003
2k7
C6002
2p2
GND
GND
GND
2x1u
C6011
/2 1u?
J6001
C6003
10n
J6006
GND
GND
74LX1G04BJR
D6000
1
4= VR3
2= GND
13
0R
R6007
VIO
15p
C6001
K3
XTAL_IN
K4
VDD_ANA
K5
NC
VREG_IN
K6
VDD_MEM
K7
VDD_IO
K9
VDD_MEM
H6
UART_RTS
H7
UART_CTS
H8
UART_RX
H9
J10
UART_TX
VSS_ANA
J2
XTAL_OUT
J3
J4
VSS_ANA
AIO2
J5
J6
VDD_MEM
VSS_ANA
K2
G1
VSS_VCO
PCM_SYNC
G10
VSS_VCO
G2
NC
G3
G8
PCM_OUT
G9
PCM_IN
H1
VDD_VCO
H10
PCM_CLK
H2
LOOP_FILTER
AIO0
H4
AIO1
H5
TX_B
E10
VDD_CORE
E2
VSS_RADIO
PIO11
E3
BT_WakeUp/PIO4
E8
VSS_CORE
E9
F1
TX_A
F10
Host_WakeUp/PIO6
VSS_RADIO
F2
PIO5
F8
F9
PIO7
C5
PIO8
TEST_EN
C6
RESET
C7
SPI_MOSI
C8
SPI_CSB
C9
D1
RF_IN
VDD_IO
D10
VSS_RADIO
D2
D3
AUX_DAC
D8
RESETB
E1
B1
PIO0
B2
PIO1
B3
UART_RTS_P/PIO2
UARTS_CTS_P/PIO3
B4
B8
FLASH_EN
B9
SPI_MISO
C1
VDD_RADIO
SPI_CLK
C10
VDD_RADIO
C2
PIO9
C3
PIO10
C4
J9,K10,A1,A2,D9,B5,B7,A10,B10,J7,F3= GND
TJA4CHD13T_LF
N6000
A3
VDD_IO
VDD_MEM
A6
A7
VDD_MEM
A9
VDD_MEM
L6003
22nH
LP3987ITLX
-2.85-NOPB
N6001
VEN
MODE
GND
VOUT
VIN
GND
C6011
2x1u
/2 1u?
TIKU_GPIO(27)
TIKU_GPIO(29)
TIKU_GPIO(28)
PUSL(1)
PUSL(3:0)
GND
J6008
GND
TIKU_GENIO(22)
TIKU_GENIO(13)
TIKU_GENIO(20)
RFCLK
TIKU_GENIO(21)
TIKU_GENIO(30:0)
PUSL(0)
TIKU_GPIO(63:0)
TIKU_GPIO(26)
TIKU_GENIO(12)
TIKU_GENIO(16)
TIKU_GPIO(20)