30
PMOR30B
PMOR30R
PMOR30S
Pin No.
Signal
I/O
Description
69
XTAL
IN
Internal clock oscillation frequency control input setting.
The internal clock frequency is set by inserting the ceramic filter oscillation circuit with
respect to XTAL.
70
Vcc
IN
Power source voltage : +5V.
The power source voltage to drive LSI is input to Vcc terminal. Connected to VCC.
71
AS
OUT
Terminal not used.
72
RD
OUT
Read strobe signal is output to RD terminal of IC5.
73
HWR
OUT
Write strobe signal is output to WR terminal of IC5.
74
LWR
OUT
Terminal not used.
75-76
MD0-MD1
IN
Connected to VCC.
77
MD2
IN
Connected to GND.
78
Avcc
IN
A/D converter power source voltage : +5V.
The power source voltage to drive the A/D converter. Connected to VCC.
79
Vref
IN
A/D converter power source voltage : +5V.
The power source voltage to drive the A/D converter. Connected to VCC.
80
AN0
IN
When a magnetron generates abnormally the detecting signal is input to AN0 terminal.
81
AN1
IN
To input signal which communicates the door open/close information to LSI.
Door close "L" level signal (GND). Door open "H" level signal (+5V).
82
AN2
IN
Terminal to change cooking input according to the model.
By using the A/D converter contained in the LSI, DC voltage in accordance with the
Model in operation is applied to set up its cooking constant.
83
AN3
IN
Terminal to judge whether the model has the sensor cooking function or not.
By using the A/D converter contained in the LSI, DC voltage in accordance with the
Model in operation is applied to judge whether the model has the sensor cooking
function or not.
84
AN4
IN
AH sensor input.
This input is an analog input terminal from the AH sensor circuit, and connected to the
A/D converter built into the LSI.
85
AN5
IN
Used for initial balancing of the bridge circuit (absolute humidity sensor). This input is
an analog input terminal from the AH sensor circuit, and connected to the A/D converter
built into the LSI.
86
DA0
OUT
Terminal not used.
87
DA1
OUT
The signal for the power source to drive the LCD is output to IC3.
88
Avss
IN
A/D converter power source voltage : GND(0V).
The power source voltage to drive the A/D converter. Connected to GND.
89
IRQ0
IN
Signal synchronized with commercial power source frequency.
This is the basic timing for time processing of
LSI.
90-91
P81-P82
OUT
Terminal not used.
92
CS1
OUT
Chip select signal is output to CS terminal of IC5.
93
CS0
OUT
Chip select signal is output to CE terminal of IC2.
94
Vss
IN
Power source voltage : GND (0V).
The power source voltage to drive the LSI is input to Vss terminal.
95-99
PA0-PA4
OUT
Used for initial balancing of the bridge circuit (absolute humidity sensor).
100
PA5
OUT
Clock signal is output to IC5.
16.7 msec.
H : +5V
L : GND
