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HT-SB60
6 – 7
IC1 VHiEP92A2E : HDMI IC (EP92A2E) (2/4)
Name In/Out Description
MCLK OUT
System Clock output for audio DAC (128/256/384/512 *
F
Sampling_Clock
. Connecting a pull-up (logic 1) or pull-down (logic 0)
resistor at this pin de
nes bit 4 of the slave IIC Address
IIS_SCK OUT IIS SCK output for IIS audio port. Sampling clock output for DSD.
IIS_WS OUT
IIS WS output for all IIS audio ports.
DSD audio output port 0 (Right Channel).
IIS_SD0 OUT
IIS SD output for audio port 0 or HBR audio output.
DSD audio o
utput port 0 (Left Channel).
IIS_SD1 OUT
IIS SD output for audio port 1 or HBR audio output.
DSD audio output port 1 (Right Channel).
IIS_SD2 OUT
IIS SD output for audio port 2 or HBR audio output.
DSD audio output port 1 (Left Channel).
IIS_SD3 OUT
IIS SD output for audio port 3 or HBR audio output.
DSD audio output port 2 (Right Channel).
SPDIF OUT
SPDIF output.
DSD audio output port 2 (Left Channel).
IIS_SCK_IN IN IIS SC
K input for regenerated IIS audio.
IIS_WS_IN IN IIS WS input for regenerated IIS audio.
IIS_SD_IN IN IIS SD input for regenerated IIS audio.
Audio Inputs/Outputs
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INTb OUT
Interrupt signal. Asserted when interrupt requests occur. This pin is open drain
output when programmed as active low and external pull-up resistor is needed.
This pin is push-pull when programmed as active high. Connect this pin to the
GPIO pin of the HDMI controller externally.
SCL2/SCL3 IO
SCL signal for HDMI and HDCP Control Logic. Connect this pin to th
e GPIO pin
of the HDMI controller with pull up resistor externally.
SDA2/SDA3 IO
SDA signal for HDMI and HDCP Control Logic. Connect this pin to the GPIO pin
of the HDMI controller with pull up resistor externally.
DDC0_SCL IN IIC SCL signal for HDMI Receiver DDC Port 0
DDC0_SDA IO IIC SDA signal for HDMI Receiver DDC Port 0
DDC1_SCL IN IIC SCL signal for HDMI Receiver DDC Port 1
DDC1_SDA IO IIC SDA signal for HDMI Receiver DDC Port 1
DDC2_SCL IN IIC SCL signal fo
r HDMI Receiver DDC Port 2
DDC2_SDA IO IIC SDA signal for HDMI Receiver DDC Port 2
DDCR_SCL IN IIC SCL signal for Repeater DDC Port
DDCR_SDA IO IIC SDA signal for Repeater DDC Port
DDCT_SCL OUT IIC SCL signal for HDMI Output DDC Port
DDCT_SDA IO IIC SDA signal for HDMI Output DDC Port
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X_IN Analog
External Crystal Input, 18.432 Mhz. Connect this pin to the GPIO pin of the HDMI
controller externally.
PLL_XFC_A Anal
og For connecting a capacitor to ground for on-chip PLL
EXT_RSTb IN
External Reset input (Active Low) with internal weak pull-up. Connect this pin to
the GPIO pin of the HDMI controller externally.
REG_VIN PWR 5V input to on-chip Power Regulator
REG_VO1 OUT
Programmable voltage output from on-chip Power Regulator. The selectable
output voltage are 2.8V, 3.0V, 3.2V and 3.4V
REG_VO2 OUT
Programmable voltage output from on-chip
Power Regulator. The selectable
output voltage are 1.5V, 1.6V, 1.7V and 1.8V
DDC/IIC/MCU/EEPROM
Misc. Pins