A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
K
L
M
N
HTR-2064/NS-B20/NS-C20/NS-SWP20
78
DIGITAL 2/4
★
Components having special characteristics are marked
⚠
and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
IC222
CB223
CB222
CB221
CB224
IC221
: R5F364AMNFB
Single chip 16-bit microprocessor
Timer
(16-bit)
Internal peripheral functions
Three-phase motor control
circuit
Outputs (timer A): 5
Inputs (timer B): 6
Watchdog timer
(15-bit)
Real-time clock
PWM function
(8-bit x 2)
Remote control signal
receiver
(2 circuits)
VCC1 ports
VCC2 ports
A/D converter
(10-bit resolution x 26
channels)
System clock generator
PLL frequency synthesizer
On-chip oscillator
(125 kHz)
XIN-XOUT
XCIN-XCOUT
M16C/60 series
Microprocessor core
Port P0
8
Port P1
Port P1
Port P3
Port P4
Port P5
Port P10
Port P9
Port P8
Port P7
Port P6
ISP
USP
INTB
SB
CRC arithmetic circuit
(CRC-CCITT or CRC-16)
DMAC
(4 channels)
On-chip debugger
Voltage detector
Power-on reset
Multiplier
Memory
ROM
(1)
(2)
RAM
FLG
PC
UART or
clock synchronous serial I/O
(6 channels)
Clock synchronous serial I/O
(8-bit x 2 channels)
Multi-master I
2
C-bus interface
(1 channel)
CEC function
D/A converter
(8-bit resolution x 2
circuits)
R0L
R0H
R1H
R1L
R2
R3
FB
A1
A0
8
8
8
8
8
8
1. ROM size depends on MCU type.
2. RAM size depends on MCU type.
Notes:
8
8
8
8
IC222
: BR25S320FJ-WE2
SPI BUS 32k-bit EEPROM
INSTRUCTION DECODE
CONTROL CLOCK
GENERATION
HIGH VOLTAGE
GENERATION
INSTRUCTION
REGISTER
CSB
1
8bit
12bit
DATA
REGISTER
ADDRESS
REGISTER
STATUS REGISTER
VOLTAGE
DETECTION
ADDRESS
DECODER
32.768bit
EEPROM
READ/WRITE
AMP
WRITE
INHIBITION
8bit
12bit
SO
2
WPB
3
GND
4
SI
5
SCK
6
HOLDB
7
Vcc
8
EEPROM
32 kbit
to DIGITAL 4/4
to DIGITAL 3/4
to DIGITAL 1/4
to DIGITAL 4/4
to DIGITAL 3/4, 4/4
No replacement part available.
to FM TUNER