Pin
No.
Port Name
Function Name
(P.C.B.)
I/O
Detail of Function
P
o
w
er On [All]
Standb
y
MCU Sleep
[When wr
iting]
1
P9_6/ANEX1/SOUT4
RY_SPA
O
O
O
Speaker relay A control
2
P9_5/ANEX0/CLK4
RY_SPB
O
O
O
Speaker relay B control
3
P9_4/DA1/TB4IN/PWM1
PSVA2
TMR
O
O
Power amplifier power voltage protection
4
P9_3/DA0/TB3IN/PWM0
DMRCON
DA
O
O
Meter Light Dimmer Level Control
Makes the light intensity of the meter LED variable by using the DA function
Provides precisely variable DIMMER using the mobile terminal application
5
P9_2/TB2IN/PMC0/SOUT3
PSVA1
TMR
O
O
Power amplifier power voltage protection
6
P9_1/TB1IN/PMC1/SIN3
NC
O
O
O
7
P9_0/TB0IN/CLK3
NC
O
O
O
8
BYTE
BYTE
[MCU]
Connected to Vss when in single chip mode
(External data bus width changed: 16 bit)
9
CNVss
CNVss
[MCU]
Low: Processor mode selected, single chip mode
Hi:
To Flash included boot mode
Boot mode: P5_5=L, CNVSS=H, P5_0=H
10 P8_7/XCIN
NC
O
O
O
11 P8_6/XCOUT
NC
O
O
O
12 nRESET
N_RST
[MCU]
Reset input
13 Xout
XOUT
[MCU]
Main clock 20MHz output
14 Vss
VSS
[MCU]
D_GND
15 Xin
XIN
[MCU]
Main clock 20MHz input
16 Vcc1
VCC1
[MCU]
+5M
17 P8_5/nNMI/nSD/CEC
N_NMI
[MCU]
MCU
MCU PullUp because of being unused
*
Nch Open Drain
18 P8_4/nINT2/ZP
REM_REAR
IRQ
IRQ
O
Remote control Rear IR input
19 P8_3/nINT1
NC
O
O
O
20 P8_2/nINT0
REM
IRQ
IRQ
O
Remove control IR input
21 P8_1/TA4IN/nU/nCTS5/nRTS5
EV_RCOM
O
O
O
Electronic volume NJU72321 Enable output / Rch#1 Common
22 P8_0/TA4OUT/U/RXD5/SCL5
EV_RTRE
O
O
O
Electronic volume NJU72321 Enable output / Rch#2 Treble
23 P7_7/TA3IN/CLK5
EV_CK
SO
O
O
Electronic volume NJU72321 Clock output
24 P7_6/TA3OUT/TXD5/SDA5
EV_DT
SO
O
O
Electronic volume NJU72321 Data output
25 P7_5/TA2IN/nW
EV_RBAS
O
O
O
Electronic volume NJU72321 Enable output / Rch #3 Bass
26 P7_4/TA2OUT/W
EV_LCOM
O
O
O
Electronic volume NJU72321 Enable output / Lch #1 Common
27 P7_3/nCTS2/nRTS2/TA1IN/nV
EV_LTRE
O
O
O
Electronic volume NJU72321 Enable output / Lch #2 Treble
28 P7_2/CLK2/TA1OUT/V
EV_LBAS
O
O
O
Electronic volume NJU72321 Enable output / Lch #3 Bass
29 P7_1/RXD2/SCL2/SCLMM/TA0IN/ SYS_RXD
SI
IRQ
I
Y Link RXD (Receive)
TB5IN
*
Nch Open Drain
30 P7_0/TXD2/SDA2/SDAMM/
SYS_TXD
SO
O
O
Y Link TXD (Transmit)
TA0OUT
*
Nch Open Drain
31 P6_7/TXD1/SDA1
WR_MOSI
SO
SO
O
For simple emulation
[MCU] Rx when writing Flash
32 P6_6/RXD1/SCL1
WR_MISO
SI
SI
O
For simple emulation
[MCU] Tx when writing Flash
33 P6_5/CLK1
WR_CK
SO
SO
O
For simple emulation
[MCU] Clock when writing Flash
34 P6_4/nCTS1/nRTS1/nCTS0/
WR_BUSY
O
O
O
For simple emulation
CLKS1
[MCU] BUSY output when writing Flash
35 P6_3/TXD0/SDA0
NC
O
O
O
36 P6_2/RXD0/SCL0
NC
I
O
O
37 P6_1/CLK0
BAL_PLTY
I
O
O
BAL Polarity SW Hi/Low detect
Hi=INV., Low=NORMAL
38 P6_0/RTCOUT/nCTS0/nRTS0
PWR_MGT_DET
I
O
O
Power management On/Off select SW detect
Hi=Power management On
45
A-S2100
A
-S21
0
0
Summary of Contents for A-S2100
Page 3: ... FRONT PANELS U K A B G L V S J models T model 3 A S2100 A S2100 ...
Page 4: ... REAR PANELS U model K model T model 4 A S2100 A S2100 ...
Page 5: ...A model B G models L model 5 A S2100 A S2100 ...
Page 6: ...V model J model S model 6 A S2100 A S2100 ...
Page 113: ...MEMO MEMO A S2100 114 ...
Page 114: ...MEMO 115 A S2100 A S2100 ...
Page 115: ...A S2100 ...