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NEC Confidential & Proprietary
TRIDENT 2 IC301
The Trident 2 is a single chip that consists of an ARM7TDMI baseband CPU, a DSP
16000 core and internal ROM and RAM. It is designed for wireless terminals. The CPU is
a 32-bit processor, operates from the 26MHz small signal system clock which is obtained
by double the frequency of 13MHz from TRX portion.
Trident2 performs the following functions :
Communication protocol of GSM
Interface for data to / from Helen 1
Signal coding / decoding
Data interleaving / de interleaving
Error detection / correction
20
DMA
CONTROLLER
PERIPHERAL
BRIDGE
PIC
ROM
ICE,
JTAG
EMI
GPRS
TIMERS
SIMCARD
KEYBOARD
INTERFACE
SMARTCARD0
TIC
RESET,APLL,
POWERDOWN
RTC
A/D
ACC1
ACC0
SSI
PPI
ICP/PDP
DUAL-PORT RAM
512
×16
EMI
RAM
ROM
SWPATCH
JTAG,HDS
BIO
TIMER
DPLL
POWER
T_REQA,
T_REQB
RESET
RAM
ARM7TDMI CORE
(IACK) (VEC[4:0])
SMALL-
SIGNALB
UFFER
POWER
UP
RESET
DSP16000 CORE
IDB
XYB
T_ACK,
TICMODE
(PLLTOA)
(CKO)
RSTB
CKI1
DB[15:0]
PA[36:0]
(MI)
(MO)
(SCLK)
(IRDATx)
AB[8:0],RWN,
Rx0
(IM0)
(IOM1)
(IOM0)
(OM0)
(OM1)
(IRDARx)
(Tx1)
X1RTC
/CKI
32X
OSC32
(Rx1)
X2RTC
BSWN
(RTC
ALARM
)
(AG[3:0])
(V
REF
)
IOBIT1
TDO
TDI,TCK,
TMS,TRST
DINTR
A[21:0],BE[1:0],OEN,
WEN,CSROMEN,
CS[5:0]N,CSRAMEN
D[15:0]
(WAITN),BOOTSEL
(DRQ0/CKO)
(DRQ1)
IRQ[6:1]
EMULATION[71],
(TRACE[10])
TDI
CP
,TCK
CP
,
TMS
CP
,TRSTN
CP
(PWM1)
(PWM2)
(PWM3)
SIM_CLK
SIM_DATA
(KEYBOARD[9:0])
(APB)
(ASB)
9
22
GSM MEMORY
(FlashROM,StaticRAM)
JTAG
JTAG
To or from
Each block
TRX
OSC
13MHz
AFC_SW
IOBIT2
TP
DPRAM
A[22:1],MWRB,RDZ,
BENZ[1:0],CS[11:0]
D[15:0]
PHEASANT
I/O
TDO
CP
15
21
23
from GSM DPRAM
CSP1093C
Tritent2 Block Diagram
Содержание N8
Страница 1: ...N8 Service Manual Level 3 ...
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Страница 52: ...NEC Confidential Proprietary DATA CABLE ...
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Страница 107: ...NEC Confidential Proprietary OUTLINE DIAGRAM TOP VIEW ...
Страница 110: ...NEC Confidential Proprietary IC251 MAY YB0002 T001 PSC2011CHRS DT BLOCK DIAGRAM ...
Страница 111: ...NEC Confidential Proprietary OUTLINE DIAGRAM TOP SEE THROUGH ...
Страница 112: ...NEC Confidential Proprietary PIN INFORMATION ...
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Страница 115: ...NEC Confidential Proprietary IC301 MAY YB0003 B001 TR09BFTGB17IN2B DB BLOCK DIAGRAM ...
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Страница 130: ...NEC Confidential Proprietary IC854 MAY YC0068 T001 MM1612FN BLOCK DIAGRAM OUTLINE DIAGRAM PIN INFORMATION ...
Страница 133: ...NEC Confidential Proprietary U111 MAY YY0020 T001 RF3110 BLOCK DIAGRAM OUTLINE DIAGRAM ...
Страница 134: ...NEC Confidential Proprietary PIN INFORMATION ...
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