NEC Confidential & Proprietary
PIN INFORMATION (CONTINUED)
100-Ball FSBGA
Signal Name
Type*
Description
B8, C8, B7, A7,
A6, B6, A5, C5,
B5, C4, A4, B4,
OCTL[11:0]
O, D
Output control pins. Controlled by state machine; reset
state is low
M11
XTALA
I, A
External 32 kHz crystal and capacitor connection.
M10
XTALB
I, A
External 32 kHz crystal and capacitor connection.†
L5
XOENA
O, D
External 13 MHz oscillator enable. Programmable
active state, reset state is high.
K4
XOENAQ
I, D
Override for XOENA signal. XOENA remains high while
XOENAQ is high.
K8
SERCK
O, D
Serial clock for programming external synthesizer.
Reset state is low.
M8
SERDA
O, D
Serial data out for programming external synthesizer.
Reset state is low.
L7
SERLE
O, D
Serial data latch for programming external synthesizer.
Program-mable active state, reset state is high
†
M7
SERLE2
O, D
Serial data latch for programming external synthesizer.
Program-mable active state, reset state is high †
L8
TDO
O, D
JTAG test data output. Reset state is 3-state†
K9
TCK
I, D
JTAG test clock.
M9
TDI
I, D, PU
JTAG test data input.
L9
TMS
I, D, PU
JTAG test mode select.
M5
RFOVL
I, D
RF receive chain overflow detector flag (used to be
called EXTDI).
A3, B3
UC‡
---
Unconnected.
D10
V
DD
A
PWR
3 V analog supply voice band.
D12
G
ND
A
GND
Analog ground voice band.
J10
V
DD
B
PWR
3 V analog supply baseband (for RX and TX).
J11
G
ND
B
GND
Analog ground baseband (for RX and TX).
F11
V
DD
C
PWR
3 V analog supply baseband (for AFC and BGAP).
E12
G
ND
C
GND
Analog ground baseband (for AFC and BGAP).
L10
V
DD
D
PWR
3 V quiet digital supply (for 32 kHz oscillator).
M12
G
ND
D
GND
Quiet digital ground (for 32 kHz oscillator).
A2, F1, K5
V
DD
[2:0]
PWR
3 V digital supply.
A1, B2, L2, M6
V
SS
[3:0]
GND
Digital ground
.
*I = input, O = output, A = analog, D = digital, PWR = power, GND = ground, PD = on-chip pull-down resistor, and PU = on-chip
pull-up resistor.
† Can be configured as digital input for use with external 32 kHz oscillator.
‡ UC=Unconnected
Summary of Contents for N8
Page 1: ...N8 Service Manual Level 3 ...
Page 3: ...NEC Confidential Proprietary Next Section Main Menu Section 1 Precautions for Repair Work 1 ...
Page 24: ...NEC Confidential Proprietary PROGRAMMING CABLE Picture ...
Page 29: ...NEC Confidential Proprietary KEY SHEET ASSEMBLY ...
Page 30: ...NEC Confidential Proprietary INTER CONNECTION ...
Page 31: ...NEC Confidential Proprietary RF BLOCK DIAGRAM ...
Page 52: ...NEC Confidential Proprietary DATA CABLE ...
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Page 69: ...NEC Confidential Proprietary 8 Key Sheet Assy LOWER KEY SHEET ASSY INTO FRONT COVER M ...
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Page 110: ...NEC Confidential Proprietary IC251 MAY YB0002 T001 PSC2011CHRS DT BLOCK DIAGRAM ...
Page 111: ...NEC Confidential Proprietary OUTLINE DIAGRAM TOP SEE THROUGH ...
Page 112: ...NEC Confidential Proprietary PIN INFORMATION ...
Page 113: ...NEC Confidential Proprietary PIN INFORMATION CONTINUED ...
Page 114: ...NEC Confidential Proprietary PIN INFORMATION CONTINUED ...
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