KS-FX230
1-14
25 to 40
80 to 65
1
24
64
41
to
to
1. Pin layout
2. Pin function
LC72362N-9388 (IC701) : System control
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15~18
19~22
23~26
27~30
31
32
33~36
37~40
41~43
44
45~48
49~52
53,54
55,56
57~60
61,62
63~66
67
68
69
70
71
72
73
74
75
76
77,78
79
80
XIN
TEST2
PG3/SI0
PG2/SO0
PG1/SCK0
PG0
PF3/SI1
PF2/SO1
PF1/SCK1
PF0
PE3/SI2
PE2/SO2
PE1/SCK2
PE0
PD3~PD0
PC3~PC0
PB3~PB0
PA3~PA0
V DD
PQ0
PP3~PP0
PO3~PO0
PN3~PN1
PN0/BEEP
PM3~PM0
PL3~PL0
PK3, PK2
PK1/INT1, PK0/INT0
PJ3/DAC3~PJ0/DAC0
PI1/ADI5, PI0/ADI4
PH3/ADI3~PH0/ADI0
HOLD
SNS
LCTR
HCTR
EO3
SUBPD
V DD
AMIN
FMIN
V SS
EO2,EO1
TEST1
XOUT
Pin No.
Symbol
I/O
I
I/O
O
O
I
O
O
O
O
O
I/O
I/O
Function
4.5MHz crystal oscillator connections
LSI test pin.
General-purpose input/output and serial input/output shared ports.
Output only port.
Key source signal output only ports.
General-purpose input/output port.
Output only port.
Power supply connections.
General-purpose input-output/external interrupt shared port.
General-purpose output port/DAC shared output pins.
General-purpose input/output ports.
General-purpose output port/BEEP tone shared output pins.
Key return signal input only port, of which threshold voltage is designed to be
low.
O
O
O
O
O
O
I
I
2nd PLL charge pump output pin.
Sub-charge pump output pin.
Power supply connections.
AM VCO (local oscillator) input pin.
FM VCO (local oscillator) input pin.
Power supply connections.
Main charge pump output pins.
LSI test pin.
4.5MHz crystal oscillator connections
I
I
I
I
I
General-purpose output port/ADC shared input pins.
PLL control, CLOCK STOP mode control pin.
Voltage sense/general-purpose input pin shared port.
Universal counter/general-purpose input shared input port.
Universal counter (frequency, cycle measurement)/general-purpose input
shared input port.
