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LC72338

Features: • High-speed programmable divider• Program memory (ROM)- LC72336: 6143 * 16 bits (12 kB)- LC72338: 8191 * 16 bits (16 kB)• Data memory (RAM): 512 * 4 bits• All instructions are one-word instructions• Cycle time: 1.33 s• Stack: 8 levels• LCD drive...

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SeekIC No. : 004391844 Detail

LC72338: Features: • High-speed programmable divider• Program memory (ROM)- LC72336: 6143 * 16 bits (12 kB)- LC72338: 8191 * 16 bits (16 kB)• Data memory (RAM): 512 * 4 bits• All inst...

LC72338 Data Sheet

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Part Number:
LC72338
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• High-speed programmable divider
• Program memory (ROM)
- LC72336: 6143 * 16 bits (12 kB)
- LC72338: 8191 * 16 bits (16 kB)
• Data memory (RAM): 512 * 4 bits
• All instructions are one-word instructions
• Cycle time: 1.33 s
• Stack: 8 levels
• LCD drivers: Up to 96 segments (1/3 duty, 1/3 bias)
• Serial I/O: Up to 3 channels (8-bit 3-wire type)
• External interrupts: 2 interrupts (INT0, INT1) Interrupt on rising or falling edge (selectable)
• Internal interrupts: 3 interrupt Two built-in timer interrupts and 1 serial I/O interrupt
• Nested interrupt levels: 4 levels
• D/A converter: 4 channels (8-bit PWM output)
• A/D converter: 4 channels (6-bit successive approximation)
• General-purpose ports:
- Input ports: 8
- Output ports: 12 (16 maximum)
- I/O ports: 8 (20 maximum, can be switched between input and output in bit units.)
• PLL block: Supports 4 types of dead zone control, and includes a built-in unlock detection circuit.
Supports 12 different reference frequencies.
• Universal counter: 20 bits (Can be used for either frequency or period measurement.)
• Timers: Eight types of time measurement
• Beep function: Six beep tones
• Reset: Built-in voltage detection type reset circuit
• Halt mode: Stops the controller operating clock.
• Operating supply voltage: 4.5 to 5.5 V (3.5 to 5.5 V if only the controller block operates.)




Pinout

Connection Diagram




Specifications

Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDD max
0.3 to +6.5
V
Input voltage
VIN
All input pins
0.3 to VDD + 0.3
V
Output voltage
VOUT 1
 Port PJ
0.3 to +15
V
VOUT 2
All output ports other than VOUT (1)
0.3 to VDD + 0.3
V
Output current
IOUT 1
Port PJ
0 to +5
mA
IOUT 2
PE, PF, PG, PK, PM, PN, EO1, EO2
0 to +3
mA
IOUT 3
Ports PB and PC
0 to +1
mA
IOUT 4
S1 to S32
300
A
IOUT 5
COM1 to COM3
3
mA
Allowable power dissipation
Pd max
 Ta = 45 to 85°C
300
mW*
Operating temperature
Topr
-40to+85
°C
Storage temperature
Tstg
-45to+125
°C





Description

The LC72336 and LC72338 are single-chip microcontrollers for use in electronic tuners. These products include on chip a PLL circuit that can operate at up to 150 MHz and 1/3 duty LCD drivers. They feature a highly efficient instruction set and powerful hardware.




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