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参数资料
| 型号： | LC7040N |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封装： | QIP-64 |
| 文件页数： | 1/9页 |
| 文件大小： | 125K |
| 代理商： | LC7040N |
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.
CMOS IC
ID LOGIC Interface with PLL
Ordering number:ENN4306A
LC7040N
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
O1501TN (KT)/N3095HA/N1293JN No.4306–1/9
Overview
The LC7040N is the central IC to the ID LOGIC Module
and Electronic Tuning Radio.
It performs the interface between the receiver’s main mi-
croprocessor and ID LOGIC’s 256kB database ROM and
its 2kB update RAM. The LC7040N also contains the
Phase-Locked Loop (PLL) circuitry responsible for elec-
tronic tuning and it offers several I/O ports.
The LC7040N permits the easy integration of the ID LOGIC
Module in a receiver. It contains all the appropriate soft-
ware to send and receive serial instructions and data to and
from the receiver’s main microprocessor. An instruction is
given simply by having the main microprocessor send a
one byte-long function code followed, when necessary, by
the appropriate data. Upon execution, the LC7040N returns
its response data, if any, to the microprocessor for display
or other processing.
Note
It is necessary to enter into an “ID LOGIC Licensing Con-
tract” with PRS. Corp. before sample devices can be
shipped.
Functions
ID LOGIC ON/OFF
ID LOGIC mode ON/status read.
ID LOGIC mode OFF/status read.
Read current (receiver) location.
Read cbroadcast station location.
State/province set
Set/read state up.
Set/read state down.
City set (in current state)
Set/read city up.
Set/read city down.
Travel
1 grid move north.
1 grid move east.
1 grid move south.
1 grid move west
Set preset location (1 of 8).
Return to preset location (1 of 8).
Display main (largest) city in grid.
DX status and search control
Set LCL ON (Local=1 grid search).
Set DX ON (DX=9 grid search).
Format scanning
Format search up (1 of 7 general format keys) in se-
lected LCL/DX.
Search up another format.
Write to RAM last station format.
Read from RAM last station format.
User formats
Read user format in key (1 of 8 user keys).
User format search up (1 of 8 user keys).
Search up another user format.
Initiate user set format.
Display user format up (1 of 32 formats).
Display user format down.
Set user format (1 of 32 formats in 1 of 8 user keys).
Write to RAM last station user format.
Read from RAM last station user format.
Prior multi-station
Set prior multi-station.
Reset prior multi-station.
Updates (tuning changes)
Update mode ON.
Update mode cancel.
Update mode OFF (completed).
Change frequency.
Change call sign.
Change format up/down.
Enter new station.
Reset 1 updated station (cancel update).
Reset all update stations memories (cancel all updates).
Tuning (seek or manual)
Tune 1 channel up.
Tune 1 channel down.
Read status upon tuning change (Can be canceled mid-
way by applying a LOW pulse signal (10
s or longer)
to the INT pin).
Continued on next page.
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