HBD-N590/N790W/N890W/N990W/N995W/T79
77
Pin No.
Pin Name
I/O
Description
AB18,
AB19
DGND12_K
-
Ground terminal
AB20
AVSS33_LDO
-
Ground terminal
AB21
AVDD12_LDO
-
Not used
AB23
MDIO
-
Not used
AB24
CEC
-
Not used
AB25
HDMISCK
I/O
Two-way I2C clock bus with the HDMI ARC OUT connector
AB26
HDMISD
I/O
Two-way I2C data bus with the HDMI ARC OUT connector
AB27
TXVN_0
O
Transmit data (negative) output to the ethernet connector
AB28
TXVP_0
O
Transmit data (positive) output to the ethernet connector
AC1
RDQS1_B
O
Data strobe signal (positive) output to the SD-RAM
AC2
RDQS1__B
O
Data strobe signal (negative) output to the SD-RAM
AC3
DDRVCCIO1
-
Power supply terminal (+1.5V)
AC4
DGND12_K
-
Ground terminal
AC5
AVDD33_MEMPLL
-
Power supply terminal (+3.3V)
AC7
DDRVREF_C
I
Reference voltage (+0.75V) input terminal for SD-RAM
AC8
RDQM2
O
Data mask signal output to the SD-RAM
AC9
DGND12_K
-
Ground terminal
AC10
RBA0
O
Bank address signal output to the SD-RAM
AC11
DDRVCCIO1
-
Power supply terminal (+1.5V)
AC12
RA6
O
Address signal output to the SD-RAM
AC14
DDRVCCIO1
-
Power supply terminal (+1.5V)
AC15
RBA1
O
Bank address signal output to the SD-RAM
AC17,
AC18
RDQ10, RDQ15
I/O
Two-way data bus with the SD-RAM
AC19
DDRVCCIO1
-
Power supply terminal (+1.5V)
AC21
NFRBN2
-
Not used
AC24
GPIO27
-
Not used
AC25
DDC_SCL_RX2
O
I2C clock signal output to the HDMI IN 2 connector
AC26
CEC2
-
Not used
AC27
TXVN_1
I
Receive data (negative) input from the ethernet connector
AC28
TXVP_1
I
Receive data (positive) input from the ethernet connector
AD1
RDQM0_B
O
Data mask signal output to the SD-RAM
AD2,
AD3
RDQ6_B, RDQ7_B
I/O
Two-way data bus with the SD-RAM
AD4
AVSS33_MEMPLL
-
Ground terminal
AD8
RA13
O
Address signal output to the SD-RAM
AD9
RRESET
O
Reset signal output to the SD-RAM “L”: reset
AD10
RCAS_
O
Column address signal output to the SD-RAM
AD11 to
AD15
RA14, RA8, RA1,
RA10, RA12
O
Address signal output to the SD-RAM
AD16 to
AD18
RDQ8, RDQ12,
RDQ14
I/O
Two-way data bus with the SD-RAM
AD19
DDRVCCIO1
-
Power supply terminal (+1.5V)
AD20
AVDD33_LDO
-
Power supply terminal (+3.3V)
AD21
NFRBN
O
Ready/busy selection signal output to the NAND
fl
ash “L”: busy, “H”: ready
AD22
NFCLE
O
Command latch enable signal output to the NAND
fl
ash
AD23
MDC
-
Not used
AD24
DDC_SDA_RX2
I/O
Two-way I2C data bus with the HDMI IN 2 connector
AD25
PWR5V_RX
I
Power supply voltage (+5V) input from the HDMI IN 1 connector
AD26
HTPLG_RX_2
O
Hot plug detection signal output to the HDMI IN 2 connector
AD27
REXT
-
External reference resistor connection terminal
AD28
HTPLG
I
Hot plug detection signal input from the HDMI ARC OUT connector
AE3
RDQ4_B
I/O
Two-way data bus with the SD-RAM
AE5
DDRVCCIO1
-
Power supply terminal (+1.5V)
AE6 to
AE8
RDQ29, RDQ31,
RDQ30
I/O
Two-way data bus with the SD-RAM
AE9
RWE_
O
Write enable signal output to the SD-RAM
AE10
RODT
O
On die termination enable signal output to the SD-RAM
AE11
RRAS_
O
Row address signal output to the SD-RAM
AE12
RA3
O
Address signal output to the SD-RAM