EM78M612
Universal Serial Bus Microcontroller Series
IOC8 (Sink Current Control Register) Default Value: (0B_0000_0000)
7
0
6
0
5
4
3
0
2
0
1
0
Sink1.1
Sink1.0
Sink0.1
Sink0.0
IOC8 [0,1][4,5] are P70/P71 sink current control registers. Four levels are offered for
selection:
Sink0.1/1.1
Sink0.0/1.0
Sink Current
0
0
1
1
0
1
0
1
3mA±10%
6mA±10%
12mA±10%
30mA±10%
The default current after Power-on reset is 3mA.
IOC9 (Pattern Detecting Application Control Register) Default Value：(0B_0111_0000)
7
0
6
5
4
3
0
2
1
0
Sample Sample Sample
Time.2 Time.1 Time.0
DB.2
DB.1
DB.0
IOC9 [0~2] Deboucing control registers. This is used for Pattern Detecting Application.
There are seven degrees available to debounce the input signal noise.
IOC9 [4~6] Sample time selection registers. This is used for Pattern Detecting Application.
The default value is 111.
Sample
Time.2
Sample
Time.1
Sample
Time.0
Sample Rate
( Divide the frequency of external oscillator by )
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
÷ 1
÷ 2
÷ 4
÷ 8
÷ 16
÷ 32
÷ 64
÷ 128
IOC9[3&7] Undefined register. The default value is Zero.
This specification may change without further notice.
2004/4/28 V1.1
20
ELAN [ ELAN MICROELECTRONICS CORP ]
