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參數(shù)資料
| 型號： | TDA7522 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Digital Servo & Decoder(用于CD-ROM的數(shù)字伺服和解碼器) |
| 中文描述： | 數(shù)字伺服 |
| 文件頁數(shù)： | 8/23頁 |
| 文件大?。?/td> | 183K |
| 代理商： | TDA7522 |
TDA7522
8/23
Table 2. Main DC Characteristics (I)
Table 3. Main DC Characteristics (II)
4.0 STANDARD VERSION MEMORY MAP
The memory spase, as seen by ST7 is defined in table 4; please take note that there are registers which
are used for less than 8 bit or, on the other side, when read only certan bit contain useful information. Re-
ferr to appendix a to have a complete list of register structure.
Table 4. TDA7522 Memory Map
Current input
Condition
Min
Typ
Max
Unit
A+C diode input
1
16
μA
B+D diode input
1
16
μA
E diode input
1
16
μA
F diode input
1
16
μA
Voltage input
Condition
Min
Typ
Max
Unit
A+C diode input
45
700
mVpp
B+D diode input
45
700
mVpp
E diode input
45
700
mVpp
F diode input
45
700
mVpp
Address
Block
Register name
Reset
Status
Remarks
0000h
0001h
0002h
0003h
Port A
Data Register
Data Direction Register
Option Register
Pull Up Register
00h
00h
00h
00h
R/W Register
R/W Register
R/W Register
R/W Register
0004h
0005h
0006h
0007h
Port B
Data Register
Data Direction Register
Option Register
Pull Up Register
00h
00h
00h
00h
R/W Register
R/W Register
R/W Register
R/W Register
0008h
........
000Bh
Reserved
000Ch
ST7 Miscellaneous Register
00h
See specifications
000Dh
Not Available
000Eh
000Fh
0010h
Reserved for ST7 TEST
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