NEC N8 Service Manual page 127

100-Ball FSBGA Signal Name
A11 MICIN
A10 MICOUT
A12 AUXIN
B12 AUXOUT
B10 VXVCM
E11 AOUTAP
E10 AOUTAN
C12 AOUTBP
D11 AOUTBN
B11 VREG
C11 REFC
A9 DAIRN
C9 DAIDI
A8 DAIDO
B9 DAICK
G11 TxIP
G12 TxIN
H11 TxQP
H12 TxQN
H10 TxP
F12 AFC
K11 RXIP
K12 RXIN
L12 RXQP
L11 RXQN
K10 RAREF1
J12 RAREF2
L6 MC
B1, C1, C2, C3, DB[15:0]
D1, D2, D3, E1,
E2, E3, F2, G1,
G2, H1, H3, H2
J2, K1, K2, L1, AB[8:0]
M1, M2, M3,
K3, L3
J1 RWN
J3 IO
M4 DINTR
L4 CINTR
C10 RESETN
PIN INFORMATION
Type* Description
I, A Voice band microphone input.
O, A Voice band microphone feedback.
I, A Voice band auxiliary input.
O, A Voice band auxiliary feedback.
I, A Voice band external bypass capacitor, reference.
O, A Voice band positive output number 1.
O, A Voice band negative output number 1.
O, A Voice band positive output number 2.
O, A Voice band negative output number 2.
O, A Voice band regulated voltage for electrect cond.
microphone.
O, A Voice band external capacitor for internal voltage
regulator.
I, D, PD Voice band digital audio interface reset not. Active-low.
I, D, PD Voice band digital audio interface data in.
O, D Voice band digital audio interface data out. Reset state
is low.
O, D Voice band digital audio interface clock. Reset state is
high.
O, A Baseband transmit I component positive output.
O, A Baseband transmit I component negative output.
O, A Baseband transmit Q component positive output.
O, A Baseband transmit Q component negative output.
O, A Baseband transmit power control DAC output.
O, A Automatic frequency control DAC output.
I, A Baseband receive I component positive input.
I, A Baseband receive I component negative input.
I, A Baseband receive Q component positive input.
I, A Baseband receive Q component negative input.
O, A RX baseband analog reference for ADC.
O, A RX baseband analog reference for ADC.
I, A Small-signal master clock single-ended input.
I/O, D Data bus 15-0
I, D Address bus 8-0.
I, D Read/write not (low = write, high = read).
I, D Chip select to enable data bus I/O.
O, D Interrupt output to DSP. Active-high, reset state is low.
O, D Interrupt output to microcontroller. Active-high, reset
state is low.
I, D Reset not. Active-low.
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