IC BLOCK DIAGRAM & DESCRIPTION
IC601 IC LC72338-9B55 (Single-Chip PLL + Controller)
PIn name Pin No. I/O I/O FormatFunctionsPIn name Pin No. I/O I/O FormatFunctions
LCD driver segment output, general-porpose input/output andLCD driver segment output, general-porpose input/output and
serial I/O portsserial I/O ports.
The IOS instruction is used to switch between the LCD driverThe PF0 to 3 inputs are in the Schmidt format.
segment output, general-purpose I/O, and serial I/O functions,The IOS instruction is used to switch between the LCD driver
and to switch between input and output of the general-purposesegment output, general-purpose I/O, and serial I/O functions, and
input port function.to switch between input and output of the general-purpose input
? For use as segment outputport function.
These pins can be set in bit units. ? For use as segment output
The IOS instruction with Pn=ODH specifies segment output These pins can be set in 4 bits units. The IOS instruction with
use in bit units. Pn=OEH specifies segment output use in bit units.
b0=S17/PE0 0 ? ? ? Segment output b0=S21 to 24/ PF0 to 3 0 ? ? ? Segment output
b1=S18/PE1 1 ? ? ? PE0 to 3 output 1 ? ? ? PE0 to 3
b2=S19/PE2 ? For use as general-purpose input /output port
b3=S20/PE3 These pins can be set to input /output in bit units. (1 bit I/O)
? For use as general-purpose input /output portCMOS b1=SI/O 1 0 ? ? ? Genetal-purpose port
These pins can be set for input /output in bit units.S21/PF035 three 1 ? ? ? SI/O port
(1 bit I/O)S22/PF1/SCK134 value Input /output is specified with the IOS instruction in bit units.
I/O
b2=SI/O2 0 ? ? ? Genetal-purpose portS23/PF2/SO133 output PF ? ? ? Pn=5 0 ? ? ? Input
CMOS
1 ? ? ? SI/O portS24/PF3/SI132and 1 ? ? ? Output
S17/PE039 three
Input /output is specified with the IOS instruction in bit units.push-pull ? For use as serial I/O port
S18/PE1/SCK238 value
S19/PE2/SO237 I/O PE ? ? ? Pn=4 0 ? ? ? Inputoutput The serial I/O port function is specified with the IOS instruction
1 ? ? ? Output (Pn=0). The contents of the serial I/O data buffer can be saved
S20/PE3/SI236and
? For serial I/O port and loaded with the INR and OUTR instructions.
push-pull
The serial I/O port function is specified with the IOS instruction *Pin setup states when used as a serial I/O port
(Pn=0). PF0 ? ? ? General-purpose input /output
The contents of the serial I/O data buffer can be saved and PF1 ? ? ? SCK1 output in internal clock mode
loaded with the INR and OUTR instructions. SCK1 output in external clock mode
*Pin setup states when used as a serial I/O port PF2 ? ? ? SO1 output
PE0 ? ? ? General-purpose input /output PF3 ? ? ? SI1 input
PE1 ? ? ? SCK2 output in internal clock modeIn CLOCK STOP mode, if this port is used as a general-purpose
SCK2 output in external clock modeI/O port or as a serial I/O port, the pins go to the input disabled
PE2 ? ? ? SO2 outputhigh-impedance state. If used for segment output, the pins are
PE3 ? ? ? SI2 inputfixed at the low level. The segment output port function is selected
In CLOCK STOP mode, if this port is used as a general-purposeafter a power-on reset.
I/O port or as a serial I/O port, the pins go to the input disabled Segment output/general-porpose input port 1/ BEEP tone output
high-impedance state. If used for segment output, the pins fixed at pins. The IOS instruction is used to switch between the segment
the low level. The segment output port function is selected after a output port and the PN0 to 3 functions. The BEEP instruction
power-on reset.switches between the general-purpose output port and BEEP tone
LCD driver segment output, general-porpose input /output ports.function.
The IOS instruction is used to switch between the LCD driver ? For use as segment output
segment output, general-purpose I/O port, and serial I/O to switch These pins can be set in 3 bits units. The IOS instruction with
between input and output of the general-purpose input /output Pn=OEH specifies segment output use in bit units.
port function. b2=S29 to 32/ PN0 to 3 0 ? ? ? Segment output
? For use as segment output 1 ? ? ? PN0 to 3
These pins can be set in 4 bits units. The IOS instruction with ? For use as general-purpose output.CMOS
CMOSS29/PN0/BEEP26 three
Pn=OEH specifies segment output use in bit units.
S25/PM030 threeS30/PN125 The general-porpose output port function is selected with the value
b0=S25 to 28/PM0 to 3 0 ? ? ? Segment outputO BEEP instruction (b3=0).
S26/PM129 valueS31/PN224 output
I/O 1 ? ? ? PM0 to 3 PN1 to 3 are dedicated general-purpose output function pins.
S27/PM228 output ? For use as general-purpose input /output portS32/PN323and
S28/PM327and ? For use as BEEP output pinpush-pull
These pins can be set for input /output in bit units. The BEEP instruction with b3=1 sets the BEEP output.
push-pull
Input /output is specified with the IOS instruction in bit units. The BEEP instruction bit b0,b1 and b2 sets the frequency.
PM ? ? ? Pn=OCH 0 ? ? ? Input When this is set as the BEEP port, executing an output
1 ? ? ? Output instruction will rewrite the internal latch data but has no
In CLOCK STOP mode, if this port is used as a general-purpose influence on the output.
I/O port, the pins go to the input disabled high-impedance state. If These pins go to the output high-impedance state in clock stop
used for segment output, the pins are fixed at the low level. The mode. If used for segment output, the pins are fixed at the low level.
segment output port function is selected after a power-on reset.These pins go to the output high-impedance state during the
power-on reset and hold that state until an output instruction is
executed.
IC411 LC75392 (Function & Electric Volume)IC412 TA8229K (Power Amplifier)
LTOUT
LT2LT4VCC2VCC1
(RT2)(RT4)(RTOUT)
LT1LT3LTCOMLVRINLVROUT
84
(RT1)(RT3)(RTCOM)(RVRIN)(RVROUT)
8,2 7,2 6,255,264,273,282,291,30
L16B.S.1
12
(R1)
L2
IN-111-
(R2) 11
Ch-15OUT-1
L3
(R3) 10NF110+
L4
(R4) 9
BIAS CIRCUIT
RIPPLEPOWER
9THERMAL CUT-OFF7
TERMINALGND
PROTECTION
Vref 18
LATCHIN-212-
Ch-23OUT-2
NF213+
DECODER
2B.S.2
CL14
DI15CONTROL
SHIFT REGISTER1415
CE16
PREPRE
13 17
GND1GND2
VDD VSS
- 12 - |
ACEC
