P i n
No.
Port Name
Function
Name
(P.C.B.)
Full on
Power off MCU sleep
AC off
Detail of Function
1
TB4IN
N_TUN_INT
TMR
O
O
O
Tuner GPIO2 input
Low Fix
Low Fix
Low Fix
2
DA0
AMP_LMT
DA
O
O
O
Limiter control output
Low Fix
Low Fix
Low Fix
3
SOUT3
DSP_MOSI
SO
O
O
O
Synchronous data output for DSP, DIR, DAC
Low Fix
Low Fix
Low Fix
4
SIN3
DSP_MISO
SI
I-
I-
I-
Synchronous data input for DSP, DIR, DAC
5
CLK3
DSP_SCK
SO
O
O
O
Synchronous clock output for DSP, DIR, DAC
Low Fix
Low Fix
Low Fix
6
BYTE
BYTE
MCU
MCU
MCU
MCU
Data but width change input
When in single chip mode: L (16 bit)
7
CNVSS
E8A_CNVSS
MCU
MCU
MCU
MCU
Processor mode select
Low: Single chip mode
8
P8_7
VOL_RB
I+
I+
I+
I+
Volume rotary encoder B
9
P8_6
VOL_RA
I+
I+
I+
I+
Volume rotary encoder A
10 N_RESET
N_CPU_RST
MCU
MCU
MCU
MCU
Reset input
11 XOUT
XOUT
MCU
MCU
MCU
MCU
Oscillation circuit output
12 VSS
DGND
MCU
MCU
MCU
MCU
Microprocessor GND
13 XIN
XIN
MCU
MCU
MCU
MCU
Oscillation circuit input
14 VCC1
+3.3M
MCU
MCU
MCU
MCU
Microprocessor power supply
15 NMI
HDM_CEC
I+
I+
I+
I+
HDMI CEC input
16 N_INT2
REM_IN
IRQ
IRQ
IRQ
I
Remote control pulse input
17 N_INT1
HDM_MUT
IRQ
I-
I-
I-
HDMI mute input
H: Mute
O
18 N_INT0
HDM_INT
IRQ
I-
I-
I-
Interrupt input from HDMI Rx
19 P8_1
N_MIC_DET
I-
I-
I-
I-
MIC detection
L: MIC available
20 P8_0
HTX_PON
O
O
O
O
HDMI Tx +5V power regulator control
H: Regulator ON
High Act
Low Fix
Low Fix
Low Fix
21 TA3IN
N_DSP_INT
TMR
I+
O
I+
Interrupt input from DSP
Low Fix
22 P7_6
(no use)
O
O
O
O
Low Fix
Low Fix
Low Fix
Low Fix
23 TA2IN
N_PDET
TMR
I+
I+
I+
AC power detection
L: Power down
24 P7_4
(no use)
O
O
O
O
Low Fix
Low Fix
Low Fix
Low Fix
25 P7_3
N_FLD_RST
O
O
O
O
FL driver reset
Low Act
Low Fix
Low Fix
Low Fix
26 P7_2
N_FLD_CS
O
O
O
O
FL driver chip select
Low Act
Low Fix
Low Fix
Low Fix
27 SCL2
HDM_SCL
SI
O
O
O
HDMI Rx/Tx I2C SCL output
Low Fix
Low Fix
Low Fix
28 SDA2
HDM_SDA
SO
O
O
O
HDMI Rx/Tx I2C SDA input/output
Low Fix
Low Fix
Low Fix
29 TXD1
E8A_TXD
SO
SO
I+
I+
30 RXD1
E8A_RXD
SI
SI
I+
I+
31 CLK1
E8A_SCLK
O
O
I+
I+
32 P6_4
E8A_BUSY
I-
I-
I-
I-
33 SDA0
TUN_SDA
SI
O
O
O
Synchronous data input/output for tuner I2C
O
Low Fix
Low Fix
Low Fix
34 SCL0
TUN_SCL
SO
O
O
O
Synchronous clock output for tuner I2C
Low Fix
Low Fix
Low Fix
35 P6_1
N_HRX_RST
O
O
O
O
HDMI Rx reset
Low Act
Low Fix
Low Fix
Low Fix
36 P6_0
N_HTX_RST
O
O
O
O
HDMI Tx reset
Low Act
Low Fix
Low Fix
Low Fix
57
HTR-2064/NS-B20/NS-C20/NS-SWP20
HTR-2064/NS-B20/
NS-C20/NS-SWP20