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參數資料
| 型號： | TLV320AIC28IRGZR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC48 |
| 封裝： | 7 X 7 MM, GREEN, PLASTIC, QFN-48 |
| 文件頁數： | 68/85頁 |
| 文件大小： | 1053K |
| 代理商： | TLV320AIC28IRGZR |
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TLV320AIC28
SLAS418B FEBRUARY 2004 REVISED MAY 2005
www.ti.com
70
n4 = 0 ; if tDEL = 0.
= 7 ; if tDEL p 0
tDEL = Programmable delay in between conversion
= 0 ; if programmable delay mode is disabled
(1) The above equation is valid only from second conversion onwards.
(2) tDEL delay is generated by using internal oscillator clock whose typical frequency is 1 MHz in internal clock mode,
or MCLK/CLKDIV (as programmed in control register 14H/page 1) in external clock mode.
Sample,Conversion &
Averaging for
AUX input
Waiting for Host to
Write into REG00
of PAGE01
REG00 of
PAGE01
Is Updated
for Continous
AUX SCAN
Mode
Reading
AUXData
Register
Sample,Conversion &
Averaging for
AUX input
Sample,Conversion &
Averaging for
AUX input
Reading
AUXData
Register
SS DEACTIVATED
Wait for Reference Power-Up Delay in Case
of Internal Ref Mode if Applicable
(PAGE01H,REG01H
[D15D14 = 01])
DAV
Port Scan Operation
The time needed to complete one set of port scan conversions is given by:
t
coordinate +
3
N
AVG
N
BITS )
1
8MHz
conv
) n
1 )
12
) 1
t
OSC )
31
t
OSC )
n
2
t
OSC
where:
n1 = 6 ; if conv = 8 MHz
7 ; if
conv ≠ 8 MHz
n2 = 0 ; if external reference mode is selected
3 ; if tREF = 0 s or reference is programmed for power up all the time.
1 + tREF /125 ns; if tREF ≠ 0 s and reference needs to power down between conversions.
tREF is the reference power up delay time.
Sample,Conversion &
Averaging for
BAT & AUX1 & AUX2 input
Reading
BAT
Data
Register
Waiting for Host to
Write into REG00
of PAGE01
Waiting for Host to Write into REG00
of PAGE01
REG00 of
PAGE01
is updated
for
PORT SCAN
Mode
Reading
AUX1
Data
Register
SS DEACTIVATED
Wait for Reference Power-Up Delay in Case
of Internal Ref Mode if Applicable
(PAGE01H,REG01H
[D15D14 = 01])
DAV
Reading
AUX2
Data
Register
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