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ICK2 VHiM65847AFP1: Key Control (M65847AFP)
Terminal
Pin No.
Name
1
ADCONT
2
DACONT1
3
DACONT2
4*
KEYDOWN
5*
KEYUP
6*
CLKO/KEY0
7
SDATA/KEY1
8
SCK/KEY2
9
STROBE/KEY3
10
KEY4
11
KEY5
12
REF
13
GND
14
VCC
15
MIXOUT
16
MIXIN
17
LPF2OUT
18
LPF2IN
19
HPFOUT
20
HPFIN
21
LPF1OUT
22
LPF1IN
23
ADINTIN
24
ADINTOUT
25
DAINTIN
26
DAINTOUT
27*
MODE1
28*
MODE2
↓ : With pull-down resistor
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Port Name
Input/Output
A/D control
—
D/A 1 control
—
D/A 2 control
—
Key down
Input: CMOS
50 kohms ↓
Key up
Input: CMOS
50 kohms ↓
Clock output/
Output: CMOS
Key0
Serial data/
Input: CMOS
Key1
Schmidt
Output: CMOS
Shift clock/
Input: CMOS
Key2
Schmidt
Output: CMOS
Strobe/Key3
Input: CMOS
Schmidt
Output: CMOS
Key4
Input: CMOS
20 kohms ↓
Output: CMOS
Key5
Input: CMOS
20 kohms ↓
Output: CMOS
Reference
—
GND
—
Power supply
—
Mix output
Output: Operational
amplifier output
Mix input
Input: Operational
amplifier input
Low-pass filter Output: Operational
2 output
amplifier output
Low-pass filter
Input: Operational
2 input
amplifier input
High-pass filter Output: Operational
output
amplifier output
High-pass filter Input: Operational
input
amplifier input
Low-pass filter Output: Operational
1 output
amplifier output
Low-pass filter
Input: Operational
1 input
amplifier input
A/D integrator
Input: Operational
input
amplifier input
A/D integrator
Output: Operational
output
amplifier output
D/A Integrator
Input: Operational
input
amplifier input
D/A Integrator
Output: Operational
output
amplifier output
mode1
Input: CMOS
20 kohms ↓
mode2
Input: CMOS
20 kohms ↓
Self mode
Determines adaptive time constant for A/D conversion by ADM system
Determines adaptive time constant for D/A conversion by ADM system
Determines adaptive time constant for D/A conversion by ADM system
Key conversion
Clock output
(down)
at pin 6 is
controlled by
Key conversion
(up)
setting pins 4 and 5.
Key setting status
output:
LEDs can be driven
Key setting input:
directly.
Key setting status can
Voltage applied to each
pin sets a key
be
indicated
by
connecting LEDs to
outside.
Analog reference
1/2Vcc
GND
Power supply
Combine key-controlled low-pass signal and through high-pass signal
Combine key-controlled low-pass signal and through high-pass signal
Forms Post-filters following D/A conversion for key control
Forms Post-filters following D/A conversion for key control
Forms High-pass filter
Forms High-pass filter
Forms Pre-filter precedent A/D conversion for key control
Forms Pre-filter precedent A/D conversion for key control
Forms A/D conversion integrator with external C
Forms A/D conversion integrator with external C
Forms D/A conversion integrator with external C
Forms D/A conversion integrator with external C
Set to L.
Set to H.
Set to H.
Set to L.
– 57 –
CD-K7000V,CP-C7000
Function
Easy mode
MCU mode
L
L
L
H
320 450
OFF
kHz kHz MHz
Serial data input
Shift clock input
Strobe input
Normally set to "L"
—
Set to L.
Set to L.
H
H
L
H
2
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