Kenwood TK-90, Service Manual

Page: 119 / 142

TK-90
122
Pin No. Port Name I/O Function
24 MSTRB_ O NC
25 IOSTRB_ O NC
26 MSC_ O NC
27 XF O TP
28 HOLDA_ O NC
29 IAQ_ O NC
30 HOLD_ I Not used
31 BIO_ I Not used
32 MP/MC_ I Mode select
33 DVdd - +3.3V
34 Vss - GND
35~38 NC
39 HCNTL0 I Host port interface (control 0)
40 Vss - GND
41 BCLKR0 I AK4550VTP (SCLK)
42 BCLKR1 O AK4550VTP (MCLK)
43 BFSR0 I AK4550VTP (LRCK)
44 BFSR1 O TP
45 BDR0 I AK4550VTP (SDTO)
46 HCNTL1 I Host port interface (control 1)
47 BDR1 I NC
48 BCLKX0 O AK4550VTP (SCLK)
49 BCLKX1 O AK4550VTP (Reset)
50 Vss - GND
51 HINT_/TOUT1 O Host interrupt output
52 CVdd - +1.8V
53 BFSX0 O AK4550VTP (LRCK)
54 BFSX1 O AK4550VTP (BERCLK)
55 HRDY O Host port interface (ready)
56 DVdd - +3.3V
57 Vss - GND
58 HD0 I/O Host port interface (data bus)
59 BDX0 O AK4550VTP (SDTI)
60 BDX1 O AK4550VTP (BERDAT)
61 IACK_ O NC
62 HBIL I Host port interface (byte identification)
63 NMI_ I Not used
64 INT0_ I Interrupt
65 INT1_ I Not used
66 INT2_ I Host port interface (interrupt)
67 INT3_ I Not used
68 CVdd - +1.8V
69 HD1 I/O Host port interface (data bus)
70 Vss - GND
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