Port Alocations; Controller Cpu (Control Unit: Ic2); Voltage Block Diagram - Icom ID-5100E Service Manual

4-4 VOLTAGE DIAGRAM
W300
NOISE
FILTER
I SENS
Q302/Q306
VCC
SW
Q301
PWR
PCON
CTRL
PSC
IC309
SW
REG(6V)
IC324
IC320
LOW V
DET
PDV ALARM
To CPU To BT
MAIN UNIT
Q32/Q34
FANHV
UT8
UTX_C
REG
HV
IC310
Q27/Q28
CURRENT VT8
IDET
VTX_C
DETECT REG
VCC
IC313
+8
REG
IC321
CTRL8V
CONT8V
REG
IC404
1.3V
DSP1.3V
REG
Q303 IC319 IC403
5V 3.3V
SW DSP3.3V
REG REG
5VS
IC323 C1340
IC314
4.2V SUPER 3.3V 3VS
REG CAP REG
IC311
3.3V
CPU3.3V
REG
IC306
BT3V
BT3.3V
REG
IC305
SD3V
SD3.3V
REG
4-5 PORT ALLOCATIONS

• CONTROLLER CPU (CONTROL UNIT: IC2)

Ball
Line Name
No.
UT8
7 TWDTX
VT8
14 RESET
15 R_VOLV
16 R_SQLV
8V
17 L_VOLV
18 L_SQLV
25 G_TXD
26 G_RXD
29 DIM_DA
30 G_RES
31 GPSC
32 LCDRST
33 TEMP
38– LCDD4–
41 LCDD7
47 FLTXD
48 FLRXD
51 L_DIALB
52 L_DIALA
53 R_DIALB
54 R_DIALA
58 LCDCD
61 LCDD0
62 LCDD1
65 TWCS
66 TWBUSY
78 TWPIRQ
79 TWDCLC
80 TWDRX
81 LCDD2
86 LCDWR0
88 LCDCS
4-6
Description
Touch panel controller touch sens-
ing data.
Reset signal input.
Band B [VOL] input.
Band B [SQL] input.
Band A [VOL] input.
Band A [SQL] input.
GPS data.
LCD backlit brightness control.
GPS module (EP13) reset.
L= Resets.
GPS module (EP13) power supply
control.
L=GPS module is activated.
LCD controller reset.
L= Resets.
LCD controller temperature sens-
ing voltage.
LCD control data.
Control signal to the main CPU
(IC300).
Control signal from the main CPU
(IC300).
Band A [DIAL] phase-B.
Band A [DIAL] phase-A.
Band B [DIAL] phase-B.
Band B [DIAL] phase-A.
LCD controller data/command se-
lect.
H=While sending the control data.
LCD control data.
Touch panel controller chip select.
L=While inputting/outputting data.
Touch panel controller status.
H=Busy.
Touch panel controller interrupt.
L=Touching detected.
Touch panel controller
clock.
Touch panel controller serial data. O
LCD control data.
Touch panel controller read/write
control.
LCD controller chip select.
I/O
O
I
I
I
I
I
O
I
O
O
O
O
I
I/O
O
I
I
I
I
I
O
I/O
O
I
I
serial
O
O
O
O