Kenwood TK-250 Service Manual page 27

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SEMICONDUCTOR DATA
D/Aconverter : M62363FP (IC206)
• Block diagram
TK-250
• Pin function
Pin No.
Pin code
110
Function V 11 I
DIA converter input terminal
V01 0 8-bit resolution DIA terminal V02
0
8-bit resolution DIA terminal VI2
I
DIA converter input terminal
VOD
-
Power supply terminal
lD
When the lD terminal is at the low level, the doek input recept ion mode is entered, and data can
I
be uptaken by the 12-bit shift register. Then at the threshold rising trom low to High, the 12-bit
shift register value is loaded to the DIA output register.
ClK
I
Shift doek input terminal. With the rise ot the shift doek, the input signal trom the DI terminal is
input to the 12-bit shift register.
DI
I
serial data input terminal. Input serial data 12 bits long.
VI3
I
DIA converter input terminal
V03 0 8-bit resolution DIA terminal V04 0 8-bit resolution DIA terminal VI4
I
D/Aconverter input terminal
VI5
I
DIA converter input terminal
V05
0
8-bit resolution DIA terminal V06
0
8-bit resolution DIA terminal VI6
I
DIA converter input terminal
DO 0
12-bit shift register MSB bit data is output.
VREF - Terminal tor determining the DIA conversion reterence point level
Vo =
(VIN -
VOAref)
X
n/256
+
VOAref
RESET -
When a low level signal is input to the RESET terminal, all the DIA output register value become
low.
GND -
GND terminal
VI7
I
DIA converter input terminal
VOl
0
8-bit resolution DIA terminal V08 0 8-bit resolution DIA terminal VI8
I
DIA converter input terminal
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