Kenwood TS-990S Service Manual page 71

Pin No. Name I/O
42 GND - GND
43 VDDINT I Internal (core) supply voltage (1.2V)
44 DATA4 I/O Data bus for fl ash memory
45 DATA5 I/O Data bus for fl ash memory
46 DATA2 I/O Data bus for fl ash memory
47 DATA3 I/O Data bus for fl ash memory
48 DATA0 I/O Data bus for fl ash memory
49 DATA1 I/O Data bus for fl ash memory
50 VDDEXT I External (I/O) supply voltage (3.3V)
51 GND - GND
52 VDDINT I Internal (core) supply voltage (1.2V)
53 VDDINT I Internal (core) supply voltage (1.2V)
54 GND - GND
55 VDDEXT I External (I/O) supply voltage (3.3V)
56 ADDR0 O Address bus for fl ash memory
57 ADDR2 O Address bus for fl ash memory
58 ADDR1 O Address bus for fl ash memory
59 ADDR4 O Address bus for fl ash memory
60 ADDR3 O Address bus for fl ash memory
61 ADDR5 O Address bus for fl ash memory
62 GND - GND
63 VDDINT I Internal (core) supply voltage (1.2V)
64 GND - GND
65 VDDEXT I External (I/O) supply voltage (3.3V)
66 ADDR6 O Address bus for fl ash memory
67 ADDR7 O Address bus for fl ash memory
68 ADDR8 O Address bus for fl ash memory
69 ADDR9 O Address bus for fl ash memory
70 ADDR10 O Address bus for fl ash memory
71 GND - GND
72 VDDINT I Internal (core) supply voltage (1.2V)
73 GND - GND
74 VDDEXT I External (I/O) supply voltage (3.3V)
75 ADDR11 O Address bus for fl ash memory
76 ADDR12 O Address bus for fl ash memory
77 ADDR13 O Address bus for fl ash memory
78 GND - GND
79 VDDINT I Internal (core) supply voltage (1.2V)
80 AVSS - GND
81 AVDD I Analog supply voltage (1.2V)
82 GND - GND
83 CLKIN I System clock input (24.576MHz)
84 XTAL O System clock output (24.576MHz)
85 VDDEXT I External (I/O) supply voltage (3.3V)
86 GND - GND
SEMICONDUCTOR DATA
Function Pin No. Name I/O
87 VDDINT I Internal (core) supply voltage (1.2V)
88 ADDR14 O Address bus for fl ash memory
89 GND - GND
90 VDDEXT I External (I/O) supply voltage (3.3V)
91 ADDR15 O Address bus for fl ash memory
92 ADDR16 O Address bus for fl ash memory
93 ADDR17 O Address bus for fl ash memory
94 ADDR18 O Address bus for fl ash memory
95 GND - GND
96 VDDEXT I External (I/O) supply voltage (3.3V)
97 ADDR19 O Address bus for fl ash memory
98 ADDR20 O Address bus for fl ash memory
99 ADDR21 O Address bus for fl ash memory
100 ADDR23 O No connection (low level output)
101 ADDR22 O No connection (low level output)
102 nMS1 O Chip enable for fl ash memory
103 nMS0 O Output enable for buffer IC
104 VDDINT I Internal (core) supply voltage (1.2V)
105 VDDINT I Internal (core) supply voltage (1.2V)
106 GND - GND
107 VDDEXT I External (I/O) supply voltage (3.3V)
108 nSDCAS O No connection (high level output)
109 nSDRAS O No connection (high level output)
110 SDCKE O No connection (high level output)
111 nSDWE O No connection (high level output)
112 nWR O Write enable for fl ash memory
113 SDA10 O No connection (low level output)
114 GND - GND
115 VDDEXT I External (I/O) supply voltage (3.3V)
116 SDCLK0 O No connection
117 GND - GND
118 VDDINT I Internal (core) supply voltage (1.2V)
119 nRD O Output enable for fl ash memory
120 ACK I No connection (internal pull up)
121 PDN O Power down for ADC/DAC
122 FLAG2 I VDDEXT connect
123 FLAG1 I VDDEXT connect
124 SDRET I Communication request to SRX-DSP
SDMO-
125 O Audio serial I/F (data) for TXMRX-DSP
SI1
126 GND - GND
127 VDDINT I Internal (core) supply voltage (1.2V)
128 GND - GND
129 VDDEXT I External (I/O) supply voltage (3.3V)
SDMI-
130 I Audio serial I/F (data) form TXMRX-DSP
SO1
TS-990S
Function
71