Port Allocations - Icom ID-51E User Manual

4-4 PORT ALLOCATIONS

• CPU (LOGIC UNIT: IC5)
Pin
Line Name
No.
A10 DICK1 [DIAL] (outer dial) (S12) phase-A
PLL unlock detection. (Band A)
A11 AUNLK
L=Unlocked.
A12 DALD D/A converter serial strobe.
A13 KS0
Key matrix strobe.
A14 KS2
A4 BLV Lock voltage. (Band B)
Key inputs from the external mi-
A5 REMOTE*
crophone.
A6 VIN External power supply voltage.
WX alert signal (1050 Hz). (Band
A7 ATONE
A)
TX power AMP temperature sens-
A8 TTEMP
ing voltage.
Response signal from the audio
A9 AUDI
IC.
DTMF tone, european tone and
B1 DTMF
beep sound signals.
B10 DIUD1 [DIAL] (outer dial) (S12) phase-B
B11 CLSFT1** CPU clock frequency shift control. O
B13 KS1 Key matrix strobe.
B15 KR0 Key matrix return.
B4 BRSSI RSSI voltage. (Band B)
B5 ALV Lock voltage. (Band A)
B7 TXI-V Transmit current sensing voltage.
Charging circuit temperature sens-
B8 TEMP
ing voltage.
Audio IC reset.
B9 AURES
L=Reset.
C10 DIUD2 [DIAL] (inner dial) (S12) phase-B.
TSQL/DTCS fi lter switching con-
C11 DTCS trol.
H= While the DTCS tone is used.
C13 KS3 Key matrix strobe.
C14 KR1 Key matrix return.
External power supply connection
detect.
C15 DCIN
L= An external power supply is
connected.
C2 CTCSS CTCSS/DTCS tone signal.
TSQL/DTCS tone signal. (Band
C4 BCTCIN
B)
*; Key input sensing voltage.
Pushed key
None of key is pushed.
VOX headset
[ ]
[ ]
A key
B key
Key locked.
**; Clock frequency shifting range.
Line name CLSFT1
H
Line state H
L
Description I/O
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Voltage range
2.698–3.300 V
2.216–2.468 V
1.708–2.213 V
1.283–1.705 V
0.932–1.280 V
0.637–0.928 V
0.000–0.634 V
CLSFT2 Shifting range
H –1.2 kHz
L ± 0 kHz
L ± 1.2 kHz
Pin
Line Name
No.
C5 VOX
C7 ACTCIN
C9 CLSFT2**
D1 DATA
D10 DICK2
D11 CK
D12 KR2
D13 BTDET
D14 PWRSW
D15 SCLK_R
D2 G_RXD
D4 BTONE
D5 BTSENC
D6 BTVIN
D7 ARSSI
D8 AUSTB
D9 SEN_R
E13 RES_R
E14 SDIO_R
E4 G_TXD
F12 CHGC
F13 TXLED
F14 FMMUTE
F15 BLED
G12 INTMIC
G14 CHGH
G15 PCON
G3 LIGHT
G4 DIM
H12 G_WKUP
J1 BR3C
J12 MMUTE
4 - 8
Description
VOX sensing voltage.
TSQL/DTCS tone signal. (Band
A)
Clock frequency shift control.
Common serial clock to the PLL,
D/A converter, expander and au-
dio IC.
[DIAL] (inner dial) (S12) phase-A.
Common serial clock to the PLL,
D/A converter, expander and au-
dio IC.
Key matrix return.
Battery type detection.
L= An appropriate battery pack is
attached.
[POWER] key input.
L= Pushed.
Radio IC serial clock.
UART data from the internal GPS
module.
WX alert signal (1050Hz). (Band
B)
Battery type detection.
Battery voltage.
RSSI voltage. (Band A)
Audio IC serial strobe.
Radio IC serial strobe.
Radio IC reset.
L= Reset.
Radio IC serial data.
UART data to the internal GPS
module.
Charging circuit control.
H= While charging.
TX LED control.
H= Lights.
RX AF mute control.
H= While receiving in the FM/FM-N
mode.
Busy LED control.
H= Lights.
MIC line switching control.
H= While the internal MIC is used.
Charging current control.
H= While charging using.
Main power supply line control.
H= Power ON.
LCD backlit and key backlit con-
trol.
H= Light.
LCD backlit and key backlit bright-
ness control.
H= Bright.
GPS module wake-up control.
H= Power ON.
Receive circuit power control.
(Band B)
H= While receiving on band B.
MIC mute control.
H= Mute.
I/O
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