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參數資料
| 型號： | LC723461W |
| 文件頁數： | 1/12頁 |
| 文件大小： | 128K |
| 代理商： | LC723461W |
Ordering number : ENN
*
6650
N3001TN (OT) No. 6650-1/12
Overview
The LC72314W, LC72315W and LC72316W are
ultralow-voltage (0.9 to 1.8 V) electronic tuning
microcontrollers that include a PLL that operates up to
250 MHz and a 1/4 duty 1/2 bias LCD driver on chip. This
IC includes an on-chip DC-DC converter that can easily
create the power supply voltages needed for electronic
tuning and contribute to reducing end product costs. This
IC is optimal for portable audio equipment that must
operate from a single battery.
Function
Program memory (ROM):
— 4096
×
16 bits (8K bytes) : LC72314W
— 6144
×
16 bits (12K bytes): LC72315W
— 8192
×
16 bits (16K bytes): LC72316W
Data memory (RAM):
— 256
×
4 bits: LC72314W
— 512
×
4 bits: LC72315W/72316W
Cycle time: 40 μs (all 1-word instructions)
Stack: 8 levels
LCD driver:
48 to 112 segments (1/4 duty, 1/2 bias drive)
Interrupts: Two external interrupts
Timer interrupts (1, 5, 10, and 50 ms)
A/D converter: Four input channels
(6-bit successive approximation conversion)
Input ports: 11 ports (of which three can be switched for
use as A/D converter inputs)
Output ports: 8 ports (of which 1 can be switched for use
as the beep tone output and 4 are open-drain ports)
I/O ports: 29 ports (of which 16 can be switched for use
as LCD ports and as mask options, of which 3 can be
switched for use as serial I/O ports)
Serial I/O: One system (LC72315W/72316W)
PLL: Reference frequencies:
1, 3, 3.125, 5, 6.25, 12.5, and 25 kHz
Input frequencies:
FM band: 10 to 250 MHz
AM band (high): 2 to 20 MHz
AM band (low): 0.5 to 10 MHz
Input sensitivity:FM band:
35 mVrms (130 MHz to 250 MHz: 50 mVrms)
AM band (high, low): 35 mVrms
IF counter: HCTR input pin 0.4 to 15 MHz (35 mVrms)
External reset input: During CPU and PLL operations,
instruction execution is started from location 0.
Continued on next page.
Package Dimensions
unit: mm
3220-SQFP80
14.0
12.0
0.5
1.25
1.25
1
1
1
1
0
1
20
21
40
41
60
61
80
0
0.5
1
1
0.5
0.2
0.135
Preliminary
SANYO: SQFP80
[LC72314W, 72315W, 72316W]
LC72314W, 72315W, 72316W
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Ultralow-Voltage ETR Controller
with On-Chip LCD Driver
CMOS IC
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
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相關代理商/技術參數 |
參數描述 |
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| LC723462W | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LC72346W | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Ultralow-Voltage ETR Controller with On-Chip LCD Driver |
| LC72347 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Ultralow-Voltage ETR Controller with On-Chip LCD Driver |
| LC72347W | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Ultralow-Voltage ETR Controller with On-Chip LCD Driver |
| LC723481W | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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