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What is LC72341W?

This electronic component, produced by the manufacturer "Sanyo Semicon Device", performs the same function as "Low-Voltage Single-Chip Microcontrollers with On- Chip PLL and LCD Driver Circuits".


LC72341W Datasheet PDF - Sanyo Semicon Device

Part Number LC72341W
Description Low-Voltage Single-Chip Microcontrollers with On- Chip PLL and LCD Driver Circuits
Manufacturers Sanyo Semicon Device 
Logo Sanyo Semicon Device Logo 


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Ordering number : EN*5799
Preliminary
CMOS IC
LC72341G/W, LC72342G/W, LC72343G/W
Low-Voltage Single-Chip Microcontrollers with On-
Chip PLL and LCD Driver Circuits
Overview
The LC72341G/W, LC72342G/W, and LC72343G/W are
single-chip microcontrollers with both a 1/4-duty 1/2-bias
LCD driver circuit and a PLL circuit that can operate at up
to 250 MHz integrated on the same chip. These ICs are
ideal for use in portable audio equipment.
Reference frequencies of 1, 3, 5, 6.25, 12.5, and
25 kHz can be provided.
• Input frequency range
— FM band: 10 to 130 MHz
130 to 250 MHz
— AM band: 0.5 to 15 MHz
Functions
• High-speed programmable divider
• Program memory (ROM)
— LC72341G/W: 2048 words × 16 bits (4KB)
— LC72342G/W: 3072 words × 16 bits (6KB)
— LC72343G/W: 4096 words × 16 bits (8KB)
• Data memory (RAM)
— LC72341G/W: 128 words × 4 bits
— LC72342G/W: 192 words × 4 bits
— LC72343G/W: 256 words × 4 bits
• Instruction cycle time
— 40 µs (for all single-word instructions.)
• Stack
— 4 levels (LC72341G/W)
— 8 levels (LC72342G/W, and LC72343G/W)
• LCD driver
— 48 to 80 segments (1/4-duty 1/2-bias drive)
• Timer interrupts
— One timer circuit providing intervals of 1, 5, 10, and
50 ms.
• External interrupts
— One external interrupt (INT)
• A/D converter
— Two channels (5-bit successive approximation)
• Input ports
— 7 (Of which two can be switched to function as A/D
converter inputs)
• Output ports
— 6 (Of which one can be switched to function as the
BEEP tone output. Two ports are open-drain ports.)
• I/O
ports
— 16 (Of which 8 can be selected to function as LCD
ports as mask options.)
• PLL circuit
— Two types of dead band control are supported, and an
unlock detection circuit is included.
Package Dimensions
unit: mm
3159-QFP64G
[LC72341G, 72342G, 72343G]
SANYO: QFP64G
unit: mm
3159-SQFP64
[LC72341W, 72342W, 72343W]
SANYO: SQFP64
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
31398RM (OT) No. 5799-1/12

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LC72341W equivalent
LC72341G/W, 72342G/W, 72343G/W
Note: C1, C2, and C3 must be provided even if no LCD is used.
Electrical Characteristics at Ta = –30 to 70°C, VDD = 1.8 to 3.6 V (in the allowable operating ranges)
Parameter
Symbol
Conditions
VOH1 PB : IO = –1 mA
VOH2 PC, PD, PG, PH : IO = –1 mA
VOH3 EO : IO = –500 µA
Output high-level voltage
VOH4 XOUT : IO = –200 µA
VOH5 S1 to S20 : IO = –20 µA: *1
COM1, COM2, COM3, COM4:
VOH6 IO = –100 µA : *1
VOL1 PB : IO = –50 µA
VOL2 PC, PD, PE, PG, PH : IO = –1 mA
VOL3 EO : IO = –500 µA
VOL4 XOUT : IO = –200 µA
Output low-level voltage
VOL5 S1 to S20 : IO = –20 µA: *1
VOL6
COM1, COM2, COM3, COM4 :
IO = –100 µA : *1
VOL7 PE : IO = 5 mA
VOL8 AOUT : IO = 1 mA, AIN = 1.3 V, VDD = 3 V
Output off leakage current
IOFF1
IOFF2
Ports PB, PC, PD, PG, PH, and EO
Ports AOUT and PE
A/D conversion error
ADI0, ADI1, VDD = VDD1
Note: 1. Capacitors C1, C2, and C3 must be connected to the DBR pins.
min
VDD – 0.7 VDD
VDD – 0.3 VDD
VDD – 0.3 VDD
VDD – 0.3 VDD
2.0
Ratings
typ
2.0
–3
–100
–1/2
max
0.7 VDD
0.3 VDD
0.3 VDD
0.3 VDD
1.0
1.0
1.0
0.5
+3
+100
+1/2
Unit
V
V
V
V
V
V
V
V
V
V
V
V
V
V
µA
nA
LSB
Electrical Characteristics at Ta = –20 to 70°C, VDD = 1.8 to 3.6 V (in the allowable operating ranges)
Parameter
Symbol
Conditions
Falling supply voltage detection voltage
Rising supply voltage detection voltage
Pull-down resistance
Supply current
VSENSE1
VSENSE2
RPD2
IDD1
IDD2
IDD3
Ta = 25°C *2
Ta = 25°C *2
TEST1, TEST2
VDD1 : FIN2 130 MHz, Ta = 25°C
VDD2: In halt mode at Ta = 25°C, *3
VDD = 3.6 V, with the oscillator stopped,
at Ta = 25°C, *4
IDD4
VDD = 1.8 V, with the oscillator stopped,
at Ta = 25°C, *4
Note: The halt mode current is measured with the CPU executing 20 instructions every 125 ms.
min
1.6
VSENSE1 +0.1
Ratings
typ
1.75
10
10
0.1
max
1.9
VSENSE1 +0.2
Unit
V
V
k
mA
mA
1 µA
0.5 µA
No. 5799-5/12


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LC72341WThe function is Low-Voltage Single-Chip Microcontrollers with On- Chip PLL and LCD Driver Circuits. Sanyo Semicon DeviceSanyo Semicon Device

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