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)： 21/69頁
文件大?。?/td> 324K
代理商： TZA1047HL/M1B
9397 750 14664
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 02 — 1 June 2005
28 of 69
Philips Semiconductors
TZA1047
Preprocessor IC for CD and DVD rewritable
7.10.4 Signal generation in external mode
In external mode, the EFM timing signals r/w, TH1, TH2, and RS are simply copies of the
signals supplied to the appropriate pins.
7.10.5 Timing parameters
The timing parameters shown in Figure 12, Figure 13 and Figure 14 are controlled by
I2C-bus registers TIM0 to TIM5 as shown in Table 12.
[1]
If the value of register TIM1 > 49, D2 will remain at 49T.
[2]
Certain values of m1 may cause the rising and falling edges of RS to coincide or to reverse position. In
these cases RS will remain LOW.
The values of run length discrimination parameter NDIS1 are specied by register TIM9
and are given in Table 13.
7.10.6 Miscellaneous
7.10.6.1
RWOUT
The r/w signal is available at pin RWOUT and can be used to drive other circuits such as
the OPU.
Table 11:
EFMTIM enabling bits
Signal
Enabling bit
Value when enabling bit = 0
r/w
ENRW
1
RS
ENRS . (r/w)
1
TH1
SMPLON . (r/w)
1
TH2
SMPLON . (r/w)
1
Table 12:
Selection of timing parameters
Timing parameter
Register
Range
D1
TIM0[4:0]
0 to 31
D2
TIM1[5:0]
0 to 49 [1]
m
TIM2[2:0]
0 to 7
n
TIM3[2:0]
0 to 7
m1
TIM4[3:0]
0 to 15 [2]
n1
TIM5[2:0]
0 to 7 [2]
Table 13:
Selection of run length discrimination
TIM9[1:0]
NDIS1 value
00
3
01
4
10
5
11
6
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