5
KAC-PS4D/X4R
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
SYSTEM µ-COM 78F0536GK011A (X09-862 : IC900)
Pin No.
Pin Name
I/O
Application
Processing / Operation / Description
1
/P_CON
I
Clear the stop mode by P-CON ON
L: Clear the stop mode (INTP0)
H: (P120)
2~5
NC
O
Not used
Output L fi xed
6
/RESET
I
Reset
7
OVF
I
ADC overfl ow detection
H: When the overfl ow is detected displays on VFD
8
NC
O
Not used
Output L fi xed
9
FLASH_W
I
Used when writing in the fl ash
10,11
NC
O
Not used
Output L fi xed
12
REGC
-
13
VSS
-
Connect to GND
14
EVSS
-
Connect to GND
15
VDD
-
Connect to VDD
16
EVDD
-
Connect to VDD
17
D2_CLK
I/O D2 control (75kHz max)
I2C BUS
18
D2_DATA
I/O D2 control
I2C BUS
19
/N-ERROR
I
Over current detection
L: Enter the protection mode when the over current is
detected. Turn off the amplifi er power supply and display the
error (E-03).
Automatically recover in 200msec.
20
NC
O
Not used
Output L fi xed
21
/OC_DET
I
Over current detection
Check current every 1ms, and when “L” is detected 15 times
in succession the over current is detected and enter the over
current protection mode. Turn off the amplifi er power supply
and display the error (E-03).
Automatically recover in 200msec.
22
/D2_RESET
O
Reset TENZING
L=RESET
23
/D2_RST_DET
I
Tenzing reset detection
When Low is detected at pin23 while the pin22 of the µ-com
is High,temporarily turn off the amplifier and reboot the
system.
24,25
NC
O
Not used
Output L fi xed
26
/PREOUT_MUTE
O
Mute the pre-out
L: MUTE ON
27
/DSP_MUTE
O
Mute TENZING
L: MUTE ON
28~30 NC
O
Not used
Output L fi xed
31
/SP_MUTE
O
Mute the speaker output
L: MUTE ON
32
OUT_OF_BOOT
I
Receive BOOT completion status from
TENZING
L: Tenzing BOOT completion (DSP is in its operation)
33
BOOT_CTRL (Not Used)
I
DSP BOOT control
(No µ-com control)
L: BOOT from µ-com
H: BOOT from EEPROM
34
ROTARY_CW
I
Encoder pulse input
Detect pulse phase difference
35
ROTARY_CCW
I
Encoder pulse input
Detect pulse phase difference
36
14V_SW
O
SW14V ON/OFF
SW14V ON/OFF
Amplifi er power supply ON: H, Initial condition L
