TS-990S
60
SEMICONDUCTOR DATA
Main MCU: F56104VDFKEUA
(Control unit IC46)
Pin No.
Name I/O Function
1 TXD4 O E1 emulator communication
2UL I
Un-lock detect
H: Lock
3 SSMET O Sub RX S-meter voltage
4 MSMET O Main RX S-meter voltage
5 AVSS - Analog GND
6 TRST# I E1 emulator communication
7 VRXD I Virtual com port received data
8 VTXD O Virtual com port transmitted data
9DOT I
Electronic keyer dot signal
L: KEY dot
10 EMLE I E1 emulator communication
11 TDO O E1 emulator communication
12 VSS - GND
13 MDE I
Endianness setting
L: Little endianness
14 VCL - Power terminal
15 MD1 I E1 emulator communication
16 MD0 I E1 emulator communication
17 DASH I
Electronic keyer dash signal
L: KEY dash
18 PKSR I
PTT output for data communication
L: PTT ON
19 MRESET I Reset
20 XTAL I X'tal input
21 VSS - GND
22 EXTAL O X'tal output
23 VCC - 3.3V power
24 NMI I Interrupt terminal (no use)
25 UVBINT I
USB connect interrupt input
H: Connect
26 BOVER I
Over voltage detection
L: Over voltage
27 BKC I
Reduced voltage detection interrupt
L: Reduced voltage
28 RTINTA I RTC interrupt A
29 PWS I Power SW
30 SS I
Standby switch
L: TX ON
31 DTXD O Transmitted data for DSP MCU
32 DRXD I Received data from DSP MCU
33
NC
(DCFV)
O “L” output
34 KEY1 I
KEY down signal/ Electric keyer dot
signal
L: KEY down/ KEY dot
Pin No.
Name I/O Function
35 KEY2 I
KEY down signal/ Electric keyer dash
signal
L: KEY down / KEY dash
36 PRXD I Received data from panel MCU
37 PTXD O Transmitted data for panel MCU
38 ATXD O Transmitted data for application MCU
39 PLLVcc - 3.3V power for PLL
40 ARXD I Received data from application MCU
41 PLLVss - GND for PLL
42 RTCL I/O RTC communicatio clock
43 RTDA I/O RTC communicatio data
44 STXD O Transmitted data for scope MCU
45 SRXD I Received data from scope MCU
46 PFPRG I/O
Programming mode request for panel
MCU
L: Programming mode
47 KYSR I
KEY jack judgement signal
L: Plugged
48 CLK O Common serial clock
49 DATA O Common serial data
50 SCTS I
RTS signal input from scope MCU
L: Communication permit
51 SRTS O RTS signal output to scope MCU
52 NC - No connection
53 NC - No connection
54 NC - No connection
55 NC - No connection
56 SFPRG I/O
Programming mode request for scope
MCU
L: Programming mode
57 Vss - GND
58 NC - No connection
59 Vcc - 3.3V power
60 NC - No connection
61 DRST O Reset for DSP MCU
62 DCTS I
RTS signal input from DSP MCU
L: Communication permit
63 DFPRG I/O
Programming mode request for DSP
MCU
L: Programming mode
64 AHLT I
Status of application MCU
H: Normal
65 ACTS I
RTS signal input from application MCU
L: Communication permit
66 ARST O Reset for application MCU
67 PCTS I
RTS signal input from panel MCU
L: Communication permit
68 CCTS I RS-232C clear to send
69 CTXD O RS-232C transmitted data
70 CRXD I RS-232C received data
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