Semiconductor Data - Kenwood TKR-750 Service Manual

TKR-750
DSP : 320VC5402PGE (TX-RX unit IC618)
Pin Function
Pin No. Name I/O
1,2 NC1,NC2
3 Vss
4 DVDD
5 A0
6 HD0
7~11 A1~A5
12 NC3
13 HAS
14 Vss
15 NC4
16 CVDD
17 HCS
18 HR/W
19 READY
20 PS
21 DS
22 IS
23 R/W
24 MSTRB
25 IOSTRB
26 MSC
27 XF
28 HOLDA
29 IAQ
30 HOLD
31 BIO
32 MP/MC
33 DVDD
34 Vss
35~38 NC5~NC8
39 HCNTL0
40 Vss
41 BCLKR0
42 BCLKR1
43 BFSR0
24

SEMICONDUCTOR DATA

Function
– Not used (No connection)
– GND
– VDD for I/O pins (+3.3V)
O Not used (No connection)
I/O HPI data bus
O Not used (No connection)
– Not used (No connection)
I HPI address strobe (Pull up)
– GND
– Not used (No connection)
– VDD for core CPU (+1.8V)
I HPI chip select
I HPI read/write
I Data ready (Pull up)
O Not used (No connection)
O Not used (No connection)
O Not used (No connection)
O Not used (No connection)
O Not used (No connection)
O Not used (No connection)
O Not used (No connection)
O CODEC control
H : Power down, L : Active
– Not used (No connection)
– Not used (No connection)
I Hold (Pull up)
I Serial data syncronize input
I Not used (Pull down)
– VDD for I/O pins (+3.3V)
– GND
– Not used (No connection)
I HPI control 0
– GND
I Receive clock input
(SCLK : 516.09375kHz)
– Not used (No connection)
I Frame sync. for receiver input
(LRCK : 16.128kHz)
Pin No. Name I/O
44 BFSR1 I Frame sync. for receiver input
(LRCK : 16.128kHz)
45 BDR0 I Serial data receive input
46 HCNTL1 I HPI control 1
47 BDR1 – Not used (No connection)
48 BCLKX0 I Transmit clock input
(SCLK : 516.09375kHz)
49 BCLKX1 O Master clock output
(MCLK : 4.12875MHz)
50 Vss – GND
51 HINT/TOUT1 O Boot mode select (Pull up)
52 CVDD – VDD for core CPU (+1.8V)
53 BFSX0 I Frame sync. for transmitter input
(LRCK : 16.128kHz)
54 BFSX1 I Frame sync. for transmitter input
(LRCK : 16.128kHz)
55 HRDY – Not used (No connection)
56 DVDD – VDD for I/O pins (+3.3V)
57 Vss – GND
58 HD1 I/O HPI data bus
59 BDX0 O Serial data transmit output
60 BDX1 – Not used (No connection)
61 IACK – Not used (No connection)
62 HBIL I Byte identification (HPI)
63 NMI I Not used (Pull up)
64 INT0 I Command interrupt from host CPU
65 INT1 I Not used (Pull up)
66 INT2 I Boot mode select (Pull up)
67 INT3 I Not used (Pull up)
68 CVDD – VDD for core CPU (+1.8V)
69 HD2 I/O HPI data bus
70 Vss – GND
71~74 NC9~NC12 – Not used (No connection)
75 DVDD – VDD for I/O pins (+3.3V)
76 Vss – GND
77 CLKMD1 I Clock mode select (Pull down)
78 CLKMD2 I Clock mode select (Pull up)
79 CLKMD3 I Clock mode select (Pull down)
Function