UPD17073 NEC, UPD17073 Datasheet - Page 4

• Manufacturer Part Number: UPD17073
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM
• Manufacturer: NEC

BLOCK DIAGRAM
P0C0, P0C1
P0D2, P0D3
4
P0A0-P0A3
P0B0-P0B3
P1A0-P1A3
P1B0-P1B3
REG
REG
CAP
CAP
LCD14
COM0
COM3
REG1
LCD0
P1C0
X
LCD
LCD
LCD
LCD
X
OUT
IN
0
1
0
1
LCD
Controller
/Driver
XTAL
Voltage
Regulator
Doubler
Voltage
OSC
Port
CPU
Peripheral
3072 16 bits ( PD17072)
4096 16 bits ( PD17073)
Program Counter
SYSTEM REG.
ALU
176 4 bits
Instruction
2 12 bits
Decoder
ROM
12 bits
Stack
RAM
Basic Timer0
Basic Timer1
Frequency
PLL
Voltage
Regulator
Controller
Converter
Interface
Interrupt
Counter
Serial
BEEP
Reset
PLL
A/D
PD17072,17073
SCK/P0B2
SI/SO1/P0B3
SO0/P1C0
BEEP
INT
AD0/P1A2
AD1/P1A3
FMIFC/AMIFC/P0D3
AMIFC/P0D2
EO
VCOH
VCOL
REG0
V
CE
GND
DD