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부품번호 | TDA1306T 기능 |
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기능 | Noise shaping filter DAC | ||
제조업체 | NXP Semiconductors | ||
로고 | |||
전체 24 페이지수
INTEGRATED CIRCUITS
DATA SHEET
TDA1306T
Noise shaping filter DAC
Product specification
Supersedes data of September 1994
File under Integrated Circuits, IC01
1998 Jan 06
Philips Semiconductors
Noise shaping filter DAC
BLOCK DIAGRAM
Product specification
TDA1306T
1998 Jan 06
Fig.1 Block diagram.
4
4페이지 Philips Semiconductors
Noise shaping filter DAC
Product specification
TDA1306T
Table 2 Pseudo-static application mode
PIN
MNEMONIC
APP0
PIN NUMBER
17
TDA1305T
FUNCTION
ATSB
APP1
APP2
APP3
16 DSMB
15 MUSB
13 DEEM1
VALUE
0
1
0
1
0
1
0
1
DESCRIPTION
12 dB attenuation (from full scale) activated
(only if MUSB = logic 1)
full scale (only if MUSB = logic 1)
double-speed mode
normal-speed mode
samples decrease to mute level
level according to ATSB
de-emphasis OFF (44.1 kHz)
de-emphasis ON (44.1 kHz)
MICROCONTROLLER APPLICATION MODE (APPL = LOGIC
1 AND APP3 = LOGIC 0)
In this mode, the device operation is controlled by a set of
flags in an 8-bit mode control register. The 8-bit mode
control register is written by a microcontroller interface
where:
APPL = logic 1
APP0 = Data
APP1 = Clock
APP2 = RAB
APP3 = logic 0.
The correspondence between serial-to-parallel
conversion, mode control flags and a summary of the
effect of the control flags is given in Table 3.
Figures 3 and 4 illustrate the mode set timing.
MICROCONTROLLER WRITE OPERATION SEQUENCE
The microcontroller write operation follows the following
sequence:
• APP2 is held LOW by the microcontroller
• Microcontroller data is clocked into the internal shift
register on the LOW-to-HIGH transition on pin APP1
• Data D7 to D0 is latched into the appropriate control
register on the LOW-to-HIGH transition of pin APP2
(APP1 = HIGH)
• If more data is clocked into the TDA1306T before the
LOW-to-HIGH transition on pin APP2 then only the last
8 bits are used
• If less data is clocked into the TDA1306T unpredictable
operation will result
• If the LOW-to-HIGH transition of pin APP2 occurs when
APP1 = LOW, the command will be disregarded.
1998 Jan 06
Fig.3 Microcontroller timing.
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부품번호 | 상세설명 및 기능 | 제조사 |
TDA1306T | Noise shaping filter DAC | NXP Semiconductors |
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