Semiconductor Data; Main Mcu - Kenwood TS-990S Service Manual

TS-990S
Main MCU: F56104VDFKEUA
(Control unit IC46)
Pin No. Name I/O
1 TXD4 O
2 UL I
3 SSMET O
4 MSMET O
5 AVSS -
6 TRST# I
7 VRXD I
8 VTXD O
9 DOT I
10 EMLE I
11 TDO O
12 VSS -
13 MDE I
14 VCL -
15 MD1 I
16 MD0 I
17 DASH I
18 PKSR I
19 MRESET I
20 XTAL I
21 VSS -
22 EXTAL O
23 VCC -
24 NMI I
25 UVBINT I
26 BOVER I
27 BKC I
28 RTINTA I
29 PWS I
30 SS I
31 DTXD O
32 DRXD I
NC
33 O
(DCFV)
34 KEY1 I
60

SEMICONDUCTOR DATA

Function
E1 emulator communication
Un-lock detect
H: Lock
Sub RX S-meter voltage
Main RX S-meter voltage
Analog GND
E1 emulator communication
Virtual com port received data
Virtual com port transmitted data
Electronic keyer dot signal
L: KEY dot
E1 emulator communication
E1 emulator communication
GND
Endianness setting
L: Little endianness
Power terminal
E1 emulator communication
E1 emulator communication
Electronic keyer dash signal
L: KEY dash
PTT output for data communication
L: PTT ON
Reset
X'tal input
GND
X'tal output
3.3V power
Interrupt terminal (no use)
USB connect interrupt input
H: Connect
Over voltage detection
L: Over voltage
Reduced voltage detection interrupt
L: Reduced voltage
RTC interrupt A
Power SW
Standby switch
L: TX ON
Transmitted data for DSP MCU
Received data from DSP MCU
"L" output
KEY down signal/ Electric keyer dot
signal
L: KEY down/ KEY dot
Pin No. Name I/O
KEY down signal/ Electric keyer dash
35 KEY2 I 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
Programming mode request for panel
46 PFPRG I/O MCU
L: Programming mode
KEY jack judgement signal
47 KYSR I
L: Plugged
48 CLK O Common serial clock
49 DATA O Common serial data
RTS signal input from scope MCU
50 SCTS I
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
Programming mode request for scope
56 SFPRG I/O 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
RTS signal input from DSP MCU
62 DCTS I
L: Communication permit
Programming mode request for DSP
63 DFPRG I/O MCU
L: Programming mode
Status of application MCU
64 AHLT I
H: Normal
RTS signal input from application MCU
65 ACTS I
L: Communication permit
66 ARST O Reset for application MCU
RTS signal input from panel MCU
67 PCTS I
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
Function