EN 236
3139 785 31681
9.
Circuit- and IC Description
Symbol
Pin
Number
Type
DESCRIPTION
(5v tol)
4mA
low.
In serial mode, the TDI is the Pulse Synchro output (S_PSYNC)
TMS
16
I/O
T
(5v tol)
4mA
Test Mode Select. This input signal provides the logic levels needed to
change the TAP controller from state to state.
In normal mode of operation, TMS must be set to high.
In serial mode TMS is the data Enable output (S_DEN).
GPIO[3:0]
26, 25,
23, 21
I/O
OD
T
4mA
General purpose IO’s. When used as output, could provide either
synchronization or interrupt internal flags, or variable control voltages
through
ΔΣ
outputs filtered by external RC networks. When used as input,
allow the host to read/monitor external events or switches.
SCL_TUN
3
OD
4mA
SCL_TUN can be configured to output SCL_TUN input. SCL_TUN is an
open drain output and therefore requires an external pull up resistor.
SDA_TUN
4
I/OD
(5v tol)
4mA
SDA_TUN is equivalent to SDA I/0 of TDA10046A but can be tri-stated
by I2C programmation. SDA_TUN is an open drain output and therefore
requires an external pull up resistor.
VIP
62
I
Positive input to the A/D converter. The input of the A/D converter can be
either AC-coupled by means of one capacitor or DC-coupled when
connected directly to the input signal (the choice is made by I2C).
The differential input range can be chosen by I2C between 2.0 Vpp or 1.0
Vpp. Differential input is of course recommended for better performances,
but in case of single-ended input, the input signal should be connected to
VIP by means of a coupling capacitor.
VIM
61
I
Negative input to the A/D converter. This input of the A/D converter can
be either AC-coupled by means of one capacitor or DC-coupled when
connected directly to the input signal (the choice is made by I2C).
The differential input range can be chosen by I2C between 2.0 Vpp or 1.0
Vpp. Differential input is of course recommended for better performances,
but in case of single-ended input, VIM should be connected to GND.
VD33_ADC
64
PS
ADC Digital Power Supply 3.3V typical
VDA33_ADC
60
PS
ADC Analog Power Supply 3.3V typical
VSA_ADC
63
GND
ADC Analog Ground level 0V typical
VD18_PLL_ADC
59
PS
ADC and PLL Digital Power Supply 1.8V typical
VSA_PLL_ADC
58
GND
ADC and PLL Digital Ground level 0V typical
VDA18_PLL
57
PS
PLL Analog Power Supply 1.8V typical
VSA_OSC
56
GND
OSC Analog Ground level 0V typical
VDA18_OSC
53
PS
OSC Analog Power Supply 1.8V typical
VDDI18
50,42,
22,5
PS
Core Digital Power Supply 1.8V typical
VDDE33
47,34,
19
PS
Pads Digital Power Supply 3.3V typical
VSS
52, 45,
40,29,
24, 15,
7
GND
Pads/Core Digital Ground level 0V typical
Содержание DVDR9000H/10
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