Aiwa AM-HX70 Service Manual page 16

Pin No. Circuit Pin No.
T-10 57
R-10 56
U-11 61
T-11 60
R-11 59
U-12 62
T-12 63
R-12 64
U-13 65
T-13 66
R-13 68
U-14 69
T-14 67
R-14 146
U-17 –
U-16 –
U-15 71
T-17 –
T-16 –
T-15 70
R-17 145
R-16 72
R-15 –
P-17 75
P-16 74
P-15 73
N-17 79
N-16 77
N-15 76
M-17 81
Pin Name I/O
Address output for external DRAM (Not used).
A10 O
(Make sure to leave the pin open when external DRAM is not in use).
Address output for external DRAM (Not used).
A07 O
(Make sure to leave the pin open when external DRAM is not in use).
IXOE O Not used.
RAS output for external DRAM (Not used).
XRAS O
(Make sure to leave the pin open when external DRAM is not in use).
Address output for external DRAM (Not used).
A09 O
(Make sure to leave the pin open when external DRAM is not in use).
IXWE O Not used.
CAS output for external DRAM (Not used).
XCAS O
(Make sure to leave the pin open when external DRAM is not in use).
Data input/output for external DRAM (Not used).
D1 I/O
(Make sure to leave the pin open when external DRAM is not in use).
Data input/output for external DRAM (Not used).
D2 I/O
(Make sure to leave the pin open when external DRAM is not in use).
Data input/output for external DRAM (Not used).
D0 I/O
(Make sure to leave the pin open when external DRAM is not in use).
VDC3 – VDD for 1.8V internal logic.
VSC3 – VSS for 1.8V internal logic.
Data input/output for external DRAM (Not used).
D3 I/O
(Make sure to leave the pin open when external DRAM is not in use).
DV 1 – VDD for internal 16Mbit DRAM (2.4V).
DD
NC – Not connected.
NC – Not connected.
Output-enabling output for external DRAM (Not used).
XOE O
(Make sure to leave the pin open when external DRAM is not in use).
NC – Not connected.
NC – Not connected.
A11 O Not used.
DV 1 – GND for built-in 16Mbit DRAM.
SS
Write-enabling output for external DRAM (Not used).
XWE O
(Make sure to leave the pin open when external DRAM is not in use).
NC – Not connected.
ASYI I Playback EFM comparator slice level input.
ASYO O Playback EFM binary signal output.
MVCI I Clock input from external VCO (Not used).
AVS1 – Analog GND.
BIAS I Playback EFM comparator bias current input.
AVD1 – Analog power supply (2.4V).
FILI I Filter input for playback EFM master PLL.
Description
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