EM78M612
Universal Serial Bus Microcontroller Series
8.2.1.4 Control Registers in Bank 1
Bank 1 offers more of the special purpose control registers. To write or read these registers,
the bank selector (R3[7]) must be initially set to 1. For more detailed description of these
registers, refer to Sections 8.8 to 8.10 of this spec.
IOC8S (PWM Control Register)
Default Value：(0B_0000_0111)
7
6
5
-
4
-
3
-
2
PS2
3
PS1
2
PS0
PEN2
PEN1
IOC8S [0~2] PWM Clock Prescaler
Fosc = 6MHz (No matter Xtal is 6MHz or 12MHz)
PS2
PS1
PS0
Clock(Hz)
Period/255
0.5us
1us
0
0
0
Fosc/3
0
0
1
Fosc/6
0
1
0
Fosc/12
Fosc/24
Fosc/48
Fosc/96
Fosc/192
Fosc/384
2us
0
1
1
4us
1
0
0
8us
1
0
1
16us
32us
64us
1
1
0
1
1
1
IOC8S [6] PWM1 Enable Bit
0:Disable
1:Enable
IOC8S [7] PWM2 Enable Bit
0:Disable.
1:Enable
IOCAS (AD Control Register) Default Value：(0B_0000_0000)
7
-
6
-
5
-
4
-
3
-
2
-
1
0
ADPS1
ADPS0
IOCAS [0,1]:AD Clock Prescaler
ADPS1
ADPS0
AD Clock Source
Conversion Rate
0
0
1
1
0
1
0
1
RC
20K
10K
5K
RC/2
RC/4
RC/8
2.5K
This specification may change without further notice.
2004/4/28 V1.1
24
ELAN [ ELAN MICROELECTRONICS CORP ]
