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參數(shù)資料
| 型號： | TZA1047HL/M1B |
| 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, 1.4 MM HEIGHT, PLASTIC, MS-026, SOT314-2, LQFP-64 |
| 文件頁數(shù)： | 38/69頁 |
| 文件大?。?/td> | 324K |
| 代理商： | TZA1047HL/M1B |
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9397 750 14664
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 02 — 1 June 2005
43 of 69
Philips Semiconductors
TZA1047
Preprocessor IC for CD and DVD rewritable
Examples of valid read transmissions are shown in Figure 25.
7.15.2 Power-on reset
The TZA1047 is equipped with a Power-on reset circuit to avoid unwanted situations at
start-up. This will reset some, but not all, registers to a predened state. Only those
registers that could cause damage or unwanted states are initialized, all other register bits
should be initialized by the controller prior to operation; they will contain random data after
start-up.
The states of the relevant bits are given below:
STBY = 1; EFMTST = 0.
It is decided not to reset RST, ENRS, ENRW and SMPLON. To assure proper operation of
the sample signals without running EFMTIM these signals need to be set via I2C-bus rst.
Reason not to do this is to limit the complexity of the change to I2C-bus FSB.
The Power-on reset circuit monitors the supply voltage between GNDD and VDDD. Reset
occurs when the supply voltage is less than 3.3 V.
The registers are dened in Table 24.
Fig 25. Examples of valid read transmissions.
001aab426
read one
register:
read with
auto-increment:
read with
auto-increment
wrap-around:
read without
auto-increment:
DATA
00h
START
BIT
ADDRESS
34h
SUB-ADDRESS
00h
START
BIT
START
BIT
STOP
BIT
START
BIT
STOP
BIT
START
BIT
STOP
BIT
STOP
BIT
STOP
BIT
ADDRESS
34h
SUB-ADDRESS
00h
START
BIT
ADDRESS
34h
SUB-ADDRESS
31h
START
BIT
ADDRESS
34h
SUB-ADDRESS
85h
READ-BACK
ADDRESS
35h
DATA
00h
DATA
01h
DATA
STOP
BIT
DATA
READ-BACK
ADDRESS
35h
DATA
31h
DATA
00h
DATA
01h
READ-BACK
ADDRESS
35h
START
BIT
STOP
BIT
STOP
BIT
DATA
05h
DATA
05h
DATA
05h
READ-BACK
ADDRESS
35h
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