Cpu Pins - HYT TC-600 Service Manual

CPU Pins

PIN No. PIN NAME
1 TI
2 BUSY
3 BATT
4 TIBI
5 NC
6 SAVE
7 TXLow
8 LE
9 PLL_DAT
10 PLL_CLK
11 TTSin
12 BEEP
13 SCL
14 SDA
15 MUTE
16 MS1
17 GLED
18 RLED
19 TXD
20 RXD
21 PTT
22 NC
23 RXC
24 NC
25 RESET
26 SELF
27 TXC
28 Xin
29 Xout
30 Vss
31 RT
32 UL
33 IF_CTRL
34 MONI
I/O
I CTCSS/CDCSS input
I Busy signal input
I Battery voltage detect
I CTCSS/CDCSS external circuit center point input
O Battery save control
O TX power control
0 PLL IC enable
O PLL data output
O PLL clock output
I 2-Tone input
O BEEP output
2
O E PROM clock line
2
I/O E PROM data line
O MIC mute control
O Model select
O Green light control
O Red light control
O RS-232C output
I RS-233C input
I PTT key input
I
O Receiver power supply control
I NC
I Reset input
I Self programming
O Transmitter power supply control
I Oscillator input
O Oscillator output
I GND
O RX/TX control
I PLL unlock detect
I IF select
I Function key input
TC-600 Service Manual
DESCRIPTION
H: OFF L: ON
H: Low power L: High power
H: MIC mute L: MIC enable
H: Lit
H: Lit
L: Press
L: ON
L: ON
H: ON
H: RX L: TX
H: Lock L: Unlock
H: 21.4MHz L: 45.05MHz
L: Press