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參數(shù)資料
| 型號： | TZA1031HL |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 10 X 10 MM, 1.40 MM, PLASTIC, MS-026, SOT-314-2, LQFP-64 |
| 文件頁數(shù)： | 25/52頁 |
| 文件大?。?/td> | 207K |
| 代理商： | TZA1031HL |
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2002 Jun 06
31
Philips Semiconductors
Product specication
Signal processing IC for DVD rewriteable
TZA1031
7.9.2
OPERATION
Programming of the control registers of the device is done
by means of the serial bus. The circuitry is formed by a
serial input shift register and a number of registers to store
the data. There is no Power-on reset. Control register
settings will be random at power-on, so to ensure proper
operation all registers must be programmed at least once.
If required the bus lines can be connected in parallel with
a 3-wire interface. The protocol needs no switching of the
data line during SICL = HIGH. This means that other
3-wire interface devices will not recognise any start or stop
command. Control words addressed to the device should
uniquely go with the SILD signal. When SILD = HIGH, the
TZA1031 will not respond to any signal on SIDA or SICL.
During a transmission the serial data is first stored into an
input shift register. At the rising edge of SILD the contents
of the input register is copied into the addressed register.
This is also the moment the programmed information
becomes effective.
The input pins have CMOS compatible threshold levels for
both 3.3 and 5 V supplies.
7.10
Control register of the device
7.10.1
GENERAL CONTROL FORMAT
The device is controlled by means of a serial bit register. To keep programming fast and efficient, the control bits are sent
in 16-bit units. Four of these bits are meant as address. Each address contains 12 data bits.
Table 8
General register programming format
LSB is sent out first.
A detailed description of the programmable parameters can be found in Tables 10, 11 and 12.
Important: There is no Power-on reset function present. In order to prevent unpredictable states at power on, it is
necessary to program all registers before starting normal operation.
ADDRESS
DATA
A3
A2
A1
A0
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
MSB
LSB
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