Motorola A760 Schematics

RX MID CHANNELS

850: CH190 -- 881,6

GSM: CH 62 -- 947,4 MHz

EGSM: CH 37 -- 942,4Mhz

DCS: CH 700 -- 1842,8MHz

PCS: CH 661 -- 1960MHz

Mecanical

Antenna Switch

J301

Low Band

Internal
Antenna

High Band

A100

19
20
13

14

3
4

Dual Saw Filter

1
2

(VCC)

V_RXTX_SYN

Balanced
Matches

EXC_EN

FL130

High Band

1800/ 1900 MHz

Low Band

850/ 900MHz

U300

ATHENA

Antenna

Switch

18

Switch
Control
Circuit

ALGAE

1710 - 1785 MHz

880 - 915 MHz

36

39

6

9

23

13

U150

850/ 900MHz

Low Band

RF Det.

AGC

1800/ 1900 MHz

High Band

3.6 - 3.9 GHz

TX VCO FRQ. RANGE

25

RF_OUT_DCS

LP

LP

RF_OUT_GSM

RF Det.

AGC

RX VCO

2

4

38

850: 824 - 850Mhz

GSM:890 - 915 MHz
EGSM: 880 - 915MHz
DCS: 1710 - 1785MHz
PCS: 1850 - 1910MHz

Combiner Network

4
2

TX_OUT_LO

TX_OUT_HI

Matching and

31

3

3

PACII IC

PMA

(Post Mixer Amplifier)

30

2

2

LP Filter

3.4 - 3.7 GHz
TX VCO

TX VCO MID CHANNELS

850: CH 190 - 836,6

GSM: CH 62 - 902,4MHz

EGSM: CH 37 - 897,4Mhz

DCS: CH 700 - 1747,8MHz
PCS: CH 661 - 1880 MHz

Power Detector

L & H

Band

5

4

B+B+

VCC

2

1

1

TRK_CLK_OUT

35

Tracking
Control

AAF

CMOS
PA Bias
Circuit

( 26MHz for Digital IF Filter syncronisation)

100kHz

IF Amp.

2 Pole Filter

100kHz

Synth F/B

Super Filter

Generator

7, 8, 10, 11, 37, 43, 48

3937

720 - 915 MHz

2,45V

(VCC)

VRF_TXRX

16,34
10
8,28,33

12
11

27
29

9

27

BB

28

Out

26
29

BB

30

Out

47

42
41

44

32
33

SPI

34

31

IO_2,65V

AOC_DRIVE
GSMB_DCS
TX_EN

RX_ANT_EN
EXC_EN

PA_REF
PA_DET

VRF_TXRX

CM_IN

RX

Loop

Filter

TX

Loop

Filter

(VCC)

RF_CS
RF_DATA

RF_CLK

EXC_EN

VRXTX_SYN

BB_I

BB_IX

(decoupling analog GND)

BB_Q
BB_QX

VRF_TXRX

RX_CP

VM_REG_FIL

SYNTH_FD_P
SYNTH_FB_N
TX_CP

TX_MOD

26 MHz

3

Y800

EXTAL

1

3

PA_REF
PA_DET

GSMB_DCS
TX_EN

RX_ANT_EN

EXC_EN

XTAL

NEPTUNE

U800

C5

Tracking Osc.

C8
B8

Dual ADC

D8

Analog / Digital

A7

Converter

A8

C6

RX

A1

Charge

D4

Pump

B5
A5

B1

TX
CP

D7

HP-Filter

A3

26 MHz
OscillatorB3

P8, L8, N7

B9

PA Control

A9

(PAC)

A10

M5
P6

L1 Timer

P7
M7

UART / USB

Interface

D12

A13

A14

(ICL_RTS) NEP_RTS_XRXD

(ICL_CTS) NEP_SE0_IN

(ICL_RX) NEP_TXD_VPOUT

Dalhard- Neptune

Communication

Keypad
Interface

G1B13

(Neptune ready indication)

(ICL_TX) NEP_RXD_VMIN

Synthesizer

F2

H4

BP_RDY

MCU_INT_SW

(forces Neptune into Flash Mode)

HS_INT

(Flip detect)

N

Digital Channal

Filters

If Mixer

and LO

Phase
Detect

Prescaler

GMSK Mod &
Mod DAC

(TX)

On
Off

R7

R14

L9

TC_MM_EN

CKO

DAI_MODE

(13 MHz)

(13MHz Request)

(signal for Data Muliplexer U902)

Digital

Clock Generator

MQSPI

M9

M10

L10

BB_SPI_MISO

BB_SPI_MOSI

BB-SPI_CLK

Neptune PCap

Communication

PCAP_CS

SPI

A12

PCAP_PRI_INT

DSP Peripherals

accelerator, encryption
Timer, Interupts

DMA

Direct
Memory
Access

Controller

Timer

Interface

N10

G2

E3

E2

STANDBY

BP_ROW5

(BP- PCapWatchdog)

Buffer

Buffer

U909

U903

STANDBY

CLK_32_768K

DSP

UltraLite
104 MHz

Shared Memory

1Mbit RAM

MCU

ARM7

52 MHz

P10

G4

B11

NEP_RESET*

BB_WDI

BB_WDI2

(BP-AP Watchdog)

(VCC + 1,575V)

VBB_REF

(VCC + 2.775V)

VBB_IO
VBB_CORE

SIM_DIO
SIM_RST
SIM_CLK
BATT_DETB

DSP

Memory

POWER

SIM

Interface

J7
H6
H7

K3
J2

ADDRESS BUS
DATA BUS

MCU

Memory

BaseBand

Serial Audio Port

Interface

R8

OW_DATA

USER_OFF

One Wire data from Battery

Dalhard to Neptune Sleep Indicator

(rx)

E10

E6

A11

D11

(framesync)

(clock)

V_AUDIO

(tx)
B10

External

Memory

Interface

MQSPI

Display

GPIO

STDA
SRDA
SC2A
SCKA

(from/to U400,

U900, U600)
for Audio and

IC Communication

D13

G12

R15

G5

P14
L15

H13
P14
H12

K2

J5
J6

J4
F5

R7
L6
G18
F16
M6

VCCQ
EB1_B
EB0_B
CS1B
R_WB
OEB

BURSTCLK
LBAB
CS0B
ECBB

K1

VSIM_EN
PCAP_RESET*
TC_MM_EN

RX_EN
OPTION1
OPTION2
EXT_B+_EN

(SIM_PD)

E1,D6
B2
A1

B5
G5
A2

(VCC +1,875V)

M901

C7

Connector

C2

1.8 or 3V

C3

SIM Card

U802

SRAM
2 Mbyte

SIM

NC

C6

GND

C5

SIM_VCC

C1

A1-23
D0-15

VCCQ
VBB_CORE
BURSTCLK

R_WB

LBAB

CS0B

OEB

NEP_RESET*

ECBB

E1,G6
A4,G4,A5

B4
C5

C4

E7
F8
B5
D3

U801

Flash

4 Mbyte

Software

EE Prom

A760

Revision Overview

Rev. 1.0: Initial Block Diagram

GSM SERVICE SUPPORT GROUP 2003.07.21

LEVEL 3 AL Block Diagram Rev. 1.0

A760

Michael Hansen Page 1of 2

(VCC + 2.75V)

VAP_MEMORY

A760

J904

4

1
5

2
3

Ear

15

16

7
6

4
5

13
14

8
3

2

11

9

10

12

1

2
1

RS232/

U409

1

Reg.

HS_MIC_IN
HS_SPKR_L
HS_SPKR_R-

EAR_SPKR-_out
EAR_SPKR+_out

SW_B+
USB_PWR

USB+_UTXD
USB-_URXD

OPTION1
OPTION2

CTS_HOOK_SW

RAW_EXT_+

BATT_FDBK

VBT_RF

Stereo
Headset Jack

Speaker

P900

J850

17-20

VAP_VCCQ

PWR_EN

(VCC + 2.75V)

VAP_VCCQ

VAP_VCCQ

5

BTRF_REG

To Flip

Connector

AD8

DATALOG

DAI_MODE

4

Y602

1

SDRAM

(16MB)

U601

E7, A9,.....

Hook Switch

1

U602

(forces Neptune into Flash Mode)

Dalhard to Neptune Sleep Indicator

USER_OFF

Internal
Antenna

E403

ANTENNA

BT_TMO

HS_MAKE_DET
ST_CMP

A1

C1

FL902

A3

C3

A1

C1

FL832

A3

C3

Ringer

ON2

AUDIO_OUT
AUDIO_IN

Q901

( to Dalhard)

( toPCap + U903)

( toPCap + U903)

16

U902

12

2, 10

3

2

31
11,20,21

19

23

( Stereo Detect )

AL_OUT
AR_OUT

EXT_BP_EN
B+

R925

8

4

3,6864 MHz

ADDR. BUS

DATA BUS

F2
F3
F9
F8
F7

G9

SDRAM_nSDCS0

F1

E8

(Flip detect)

(13MHz Request)

TC_MM_EN

MCU_INT_SW

U906

Dalhard- Neptune

Communication

Bluetooth

U400

(rx)

(tx)

(from/ to U600)

for Audio and

IC Communication

INT_MIC_BIAS
INT_MIC_OUT

1

J902

2

USB_PU

AD6

9

7

DTR_DumbSel1

1

15
3

5

13

11

32,768 KHz

SDRAM_CLK1
SDRAM_CKE1

SDRAM_nWE
SDRAM_RAS

SDRAM_CAS

SDRAM_UDQM
SDRAM_LDQM

HS_INT

OPTION1
OPTION2

PWR_EN

Neptune ready indication

BP_RDY
ICL_RTS

ICL_CTS
ICL_RX
ICL_TX

BT_TXD

5

BT_RXD

35

BT_CTS

33

BT_RTS

28

BT_RESET

24

BT_WAKEUP

12

BT_HOSTWAKE

10

34
29

27
26

CLK_32_768K

6

SCKA
SC2A
SRDA
STDA

EAR_SPKR­EAR_SPKR+

LOUDSPEAKER­LOUDSPEAKER+

EXT_OUT

SRDA

SC2A

DCD_FS
RI_DumbSel2

SCKA

STDA

DSR_DumbSel0

Y600

5V

(framesync)
(clock)

K14
K16

K15

XTAL

INT.

F3
F4

MEM.

L13
G2

INT.

G5
G4

E4
T10

E8
D11

GPIO

U16
G18
F16

K17
M18

T17
R16
N15

UART

P15
D14

A16
D15
C16

R18
C12

GPIO

A4

Codec1

(Voice, BT Audio)

(tx) (rx)

F14

F15

E17

SC2A

SCKA

J2

J8

H7

H2
G2

CODEC

13 BIT

W2

PHONE

W1
U1

AUDIO

R2

AMPL.

J3
J1

N1
E1

MAGIC

G14

CP VCC

A9
B9

USB

B7

INTERF.

C7

BACKl.
CONTR.

MEMORY

W17

HOLD

VSIM

N20( 1,8/ 3V ) SIM_VCC

C12

VSIM_EN

(Application Aud.)

(rx)

E16

B11

STDA

SRDA

B1

H3

(tx) (rx)

STEREO

M20

N20

( 5,0V ) VRXTX_SYN

( 1,575V ) VBB_RF

VHOLD_EXT_EN

Codec2

C11

D10

AUDIO_SYNC

(tx) (rx)

CODEC

16 BIT

V8V9V10

J21( 0V ) Not used

Dalhart

(Aplication Processor)

USB/RS232

(communication)

(tx)
A11

AUDIO_BITCLK

D16

E14

AUDIO_SDATA_OUT

USB_VPIN

D8C9A7B8G8

USB/RS232

(communication)

U900

PCAP3

N19

K18

( 2,775V )VRF_TXRX

( 2,775V )VAP_VCCQ

U600

D13

RTS_XRXD

K20

CPU

Flash
32MB

C15

N18

TXD_VPOUT

RXD_VMIN

Q901

IRDA

6

IR_TXD

IR_RXD

UART/

GPIO

C17
B16
P18

A7

C14

T16

RXD
TXD

(Enable)

CAMERA_3_6MHz
CAMERA_EN
CAMERA_TRI_EN

AP

A8
C8
C9

B8
C2
B12

TFT

D3

TOUCH

B3
C3

SCREEN

A3

DISPLAY

V11

INTERF.

D4
C4
E7

B4
B7
C6
D7
B6
C7
A6
E6

H14
T18
N17

Keypad

L14

GPIO

L17

UART
GPIO

PWR_SW_B

W14

CHARGE

TOUCH

SCREEN

INTERF.

STEREO

AD

CONV.

D/A

IO

OVER
VOLT.
CNTL.

LED

CNTL.

SPI

CNTL.

DET.

K13
A12

B13
F13
C13
D8
K13

VBB_IO

AD6

LOGIC

Neptune PCap

M15

TXENB

SE0_IN

C8

2nd Serial

Interface

C10

M16

SYS_RESTART

Y8

2nd SPI

CNTL.

LOGIC

Dalhard PCap
Communication

GPIO/

D9

B10

AP_SPI_MOSI

AP_SPI_MISO

A10

AP_SPI_CLK

Y9M9Y10

M17

AP_SPI_CS

W9

U604

INT_SEC

Y12

and U400)

(to Neptune

CKO (13 MHz)

RTC_BATT

CLK_32_768K

B6

E2

V16

BB_WDI2

B4

TIMER

GPIO/

Timer

F1

E5

J13

J14

WDI_AP

(from Neptune)

BP_ROW5

BB_RESET*

BB_WDI

(from Neptune)

U904

(from Neptune)

STANDBY

WDI_PCAP

Y900

PCAP_MCU_RESET*

B5

Y20

R14

T18

POWER/

FAIL DET.

E9

PCAP_RESET*

Y12

U905

J15

F8

nRESET_OUT

NEP_RESET*

(to Neptune)

FAIL DET.

J16

POWER

nBATT_FAULT

U906

POWER_FAIL

Y14

LOGIC

VAP_MEMORY

ON2

Y13

ON

Logic

V1V2V3V4V5V6V7

H20

Y1

K19

L21

Switcher 1

Switcher 2

Switcher 3

Buck Mode

Buck Mode

Boost Mode

F19

D20

C20

H18, Y2, ...........

VIB

B+ Sense

to Vibra

DRIVE

R19

LCD_PCLK
LCD_HSYNC
LCD_VSYNC
LCD_OE

LCD_PXL_15

LCD_FL

LCD_PXL_14
LCD_PXL_13
LCD_PXL_12
LCD_PXL_11
nLCD_EN
LCD_PXL_10
LCD_PXL_9
LCD_PXL_0
LCD_PXL_8
LCD_PXL_1
LCD_PXL_7
LCD_PXL_2
LCD_PXL_6
LCD_PXL_3
LCD_PXL_5
LCD_PXL_4

VOICE_REC
KEYPAD_C1

KEYPAD_C2
KEYPAD_C3
KEYPAD_R1
KEYPAD_R2

RI_DumbSel2

DSR_DumbSel0
DTR_DumbSel1
DCD_FS
CTS_HOOK_SW

KEYPAD_SCAN_EN

( 2,75V)

, VAP_CORE_VCC

This resistor is IN the
Charger accessory and

is used for identification

R966

CR903

Y5

AA19

AA20

V18
W6

Y19
V6

Y20
Y7

U21

W18

LED_RED
LED_GRN

TSY2
TSY1
TSX2
TSX1AA3

PCAP_PRI_INT
BB-SPI_CLK
BB_SPI_MOSI

BB_SPI_MISO

PCAP_CS

HS_MAKE_DET
ST_CMP

AA2

Communication

D4
B3

V14
W11

W10
V10

R11

D4

Y4
Y3

B3

(1,1V )

BATT_FDBK

BATT_+

RAW_EXT_B+ (OV_SENSE)
AD4_BATT_THERM
I_SENSE

(from AUDIO_IN)

AD8

CHRG_C
THERMBIAS

MAIN_FET

OV_GATE

D900

( Stereo Detect )

U603

7

J603

6

8
2
3
10

11-16

J600

2

8
10

14

16
17
18

20

22

24

27

28

30

31

32

33

34

35

36

37

38

39

R612­R614

, VAP_VCCQ

Neptune PCap

Communication

3,8

VAP_VCCQ

(VCC + 2.75V)

5

1

Camera Connector

4
5

GND

7
9

VAP_VCCQ

Touchscreen

Display Connector

4
6

9
11
12

GND

23
26
29
30

NC

25

TSY2

1
3

TSY1
TSX2

5

TSX1

7

B+

13
15

B+

19

VAP_VCCQ
VAP_VCCQ

21

(2,775V)

BATTERY
CHARGER

EXT_B+

G

Q907

V2

( to PCap )

( 4.2V)

( 2.775V )

R976

OW_DATA
AD4-BATT_THERM

S

D

Battery to B+

D

G

G

Over Voltage

and EXT_B+ to B+ Switch

Q905

Q903

Switch

S

CR904

D
S

Protection

BATT CONN.

2,63,7

B+

RAW_EXT_B+

U9451

4,8

VOICE_REC

KEYPAD_R1
KEYPAD_R2
KEYPAD_C2
KEYPAD_C3

KEYPAD_R1
KEYPAD_R2
KEYPAD_C2
KEYPAD_C1

INT_MIC_OUT
INT_MIC_BIAS
VAP_VCCQ

PWR_SW_B

1,5

GND

BATT+

P600

6
5

4
2

9
8

7

1

VOICE_REC

JEG_DIAL_R

JEG_DIAL_L

JEG_DIAL_M

Keyboard

MENUE

UP

DOWN

MIC

3,

GND

10­16

POWER

VIBRATOR

M900

B+

Vibrator

GSM SERVICE SUPPORT GROUP 2003.07.21

( 1,875 ) VBT_RF

( 5,5V ) VBOOST

( 2,775V ) V_AUDIO

( 2,775V ) VBB_IO

VAP_MEMORY ( 2,775V )

Revision Overview

( 1,1V ) VAP_CORE_VCC

( 1,875V ) VBB_CORE

Rev. 1.0: Initial Block Diagram

LEVEL 3 AL Block Diagram Rev. 1.0

A760

Michael Hansen Page 2of 2