gc80c520g CORERIVER Semiconductor, gc80c520g Datasheet - Page 33

• Manufacturer Part Number: gc80c520g
• Description: Eprom / Rom / Romless Based 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

6.10. UART : Baudrate Example
Serial Port Operating Mode 0
Serial Port Operating Mode 2
EX) Using Timer 1 to Generate Baudrates
EX) Using Timer 2 to Generate Baudrates
Max : 3 MHz
Max : 750 KHz
Baudrate =
Baudrate =
Mode 1 & 3 Baudrate =
Mode 1 & 3 Baudrate =
T1M=0
62.5 KHz
19.2 KHz
137.5 Hz
9.6 KHz
4.8 KHz
2.4 KHz
1.2 KHz
110 Hz
110 Hz
Baudrate
Max : 3 MHz
Max : 750 KHz
Oscillator Frequency
2
32
T1M=1
SMOD1
187.5 KHz
57.6 KHz
28.8 KHz
14.4 KHz
412.5 Hz
7.2 KHz
3.6 KHz
330 Hz
330 Hz
4
X
2
32
32
SMOD1
1
Mode 1 & 3
Oscillator Frequency
Mode 0
Mode 2
UART
Mode
X
X
PCON.7
F
OSC
F
OSC
X
X
[65536 – (RCAPH,RCAPL) ]
11.0592 MHz
11.0592 MHz
11.0592 MHz
11.0592 MHz
11.0592 MHz
11.0592 MHz
F
OSC
3
12
T1M
12 MHz
12 MHz
12 MHz
12 MHz
6 MHz
X
1
[ 256 – (TH1) ]
SMOD1
Serial Port Operating Mode 1, 3
X
1
1
1
0
0
0
0
0
0
0
1
Using Timer 2 Overflow
Using Timer 1 Overflow
Baudrate =
Baudrate =
C/T
X
X
0
0
0
0
0
0
0
0
0
If SMOD1(PCON.7) = 1
If T1M(CKCON.4) = 0
If T1M(CKCON.4) = 1
MiDAS1.0 Family
Mode
X
X
2
2
2
2
2
2
2
2
1
Timer 1
2
32
SMOD1
Reload Value (TH1)
Timer 2 overflow
FEEBh
X
FDh
FDh
FAh
1Dh
FFh
F4h
E8h
72h
X
X
16
Timer 1 overflow
Double Buadrate
F
F
OSC
OSC
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