(No.RA077<Rev.001>)1-13
2.5
COMPONENTS DESCRIPTION
2.5.1 TX-RX Unit (XC1-295K-01, XC1-296K-01)
90
SRST
I SRST for SWD
91
SBC
O SB switch control
92
FLDM
I Force Flash Load Mode
93
/SB_DET
I Power Switch detect
94
BOOT0
-
95
SIM1
I
96
3CC
O 5C and 32C Control
97
/INT
I Interrupt
98
5TC
O 5T Control
99
PDR_ON
- GND
100
VDD6
- 32MD
Ref. No.
Part Name
Use / Function
IC1
IC
Voltage regulator (32MS)
[3.2V AVR]
IC2
IC
PLL IC
IC3
IC
DC-DC Converter (200C)
[20V DC-DC]
IC4,5
IC
DC amplifier [DC AMP]
IC6
IC
Buffer amplifier [BUFF AMP]
* Q6 is only used in XC1-295K-01.
IC100
IC
DC amplifier [DC AMP]
IC200
IC
Transceiver IC
IC201,202 IC
IQ AMP
IC203
IC
Voltage regulator (32B) [3.2V AVR]
IC300
IC
AF AMP
IC301
IC
Buffer amplifier [BUFF AMP]
IC302
IC
AF AMP
IC400
IC
Voltage regulator (50M) [5.0V AVR]
IC401
IC
Voltage regulator (50C) [5.0V AVR]
IC402
IC
Voltage regulator (50V) [5.0V AVR]
IC403
IC
Voltage regulator (32C) [3.2V AVR]
IC404
IC
Voltage regulator (32M) [3.2V AVR]
IC405
IC
Reset
IC406
IC
INT DET
IC407
IC
DC-DC converter (38M)
[3.8V DC-DC]
IC408
IC
Voltage regulator (32MD)
[3.2V AVR]
IC500
IC
Flash memory [FLASH]
IC501
IC
MPU/DSP
IC502
IC
Clock Buffer amplifier
[CLK BUFF AMP]
IC600
IC
APC buffer [APC BUFF]
IC601
IC
Modulation amplifier [MOD AMP]
Pin No.
Name
I/O
Function
IC602
IC
MIC AMP
IC603
IC
AF AMP Filter [AF AMP FIL]
IC604,605 IC
D/A converter [DAC]
IC606
IC
VOX AMP
Q1
FET
DC switch (assist) [DC SW]
Q3
TRANSISTOR Ripple filter
Q4
FET
VCO
Q5,6
TRANSISTOR VCO buffer [VCO BUFF]
* Q6 is only used in XC1-295K-01.
Q100
TRANSISTOR Buffer amplifier [BUFF AMP]
Q101
FET
DC switch (Batt DET) [DC SW]
Q102
FET
DC switch (Curr DET) [DC SW]
Q103
TRANSISTOR DC switch [DC SW]
Q104
FET
Pre-drive [PRE-DRV]
Q105
FET
DC switch (APC) [DC SW]
Q106
FET
Drive amplifier [DRV AMP]
Q107
FET
RF final amplifier [FINAL]
Q108
FET
DC switch (APC) [DC SW]
Q200
TRANSISTOR RF amplifier [RF AMP]
Q202
FET
DC switch (32R) [DC SW]
Q300
TRANSISTOR DC switch (RED LED) [DC SW]
Q301
TRANSISTOR DC switch (GREEN LED) [DC SW]
Q302
TRANSISTOR DC switch (BLUE LED) [DC SW]
Q303,304 FET
DC switch [DC SW]
Q305
TRANSISTOR DC switch [DC SW]
Q306,307 TRANSISTOR DC switch (Audio amplifier)
[DC SW]
Q308
FET
Level shifter
Q309,310 TRANSISTOR DC Stabler [DC SW]
Q311
TRANSISTOR DC switch (Audio amplifier)
[DC SW]
Q312
TRANSISTOR DC switch (Emergency PTT)
[DC SW]
Q313
FET
Level shifter
Q400
FET
DC switch (5T Control) [DC SW]
Q402
FET
DC switch [DC SW]
Q403
TRANSISTOR DC switch (Batt DET) [DC SW]
Q404
FET
DC switch (Interrupt) [DC SW]
Q600,601 TRANSISTOR MIC AGC
D1
DIODE
DC-DC converter [DC-DC CONV]
D2
ZENER
DIODE
Voltage regulator Protection
D4
DIODE
Ripple filter
D5-10
VARIABLE
CAPACITANCE
DIODE
VCO Frequency control [VCO]
D101-104 DIODE
Antenna switch [ANT SW]
D105
VARISTOR
Surge protection [SURGE P]
Ref. No.
Part Name
Use / Function