EM78M611E

Universal Serial Bus Series Microcontroller

IOCA [6, 7] Select the operation frequency in Dual Clock Mode. Four frequencies are available and can be chosen as Dual Clock Mode in running the MCU program.

Dual_Frq.1

Dual_Frq.0

Frequency

 

 

 

0

0

500Hz

 

 

 

0

1

4kHz

 

 

 

1

0

32kHz

 

 

 

1

1

256kHz

 

 

 

8.2.3.5IOCB (Port 9 Wake-up Pin Select Register) Default Value: (0B_X111_1111)

Bit 7

 

Bit 6

 

Bit 5

 

Bit 4

 

Bit 3

 

Bit 2

Bit 1

 

Bit 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

/P96

 

/P95

 

/P94

 

/P93

 

/P92

/P91

/P90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IOCB [0~6] These bits are used to select which of the Port 9 pins is to be assigned to wake up the MCU while in Power down mode.

0 : Enable the function

1 : Disable the function

IOCB[7]

Reserved bit

8.2.3.6IOCC (Port 9 LED Sink Capacity Control Register) Default Value: (0B_X00X_0000)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

 

 

 

 

 

 

 

 

P96

P95

P93

P92

P91

P90

IOCC [0~3, 5, 6] LED sink control bit. These bits are used to enable the LED sink capacity of P90 ~ P97

0 : Disable the LED sink capacity of respective pin

1 : Enable the LED sink capacity of respective pin

IOCC [4, 7] Reserved bits

8.2.3.7IOCD (Port 9 Pull High Control Register) Default Value: (0B_X11X_1111)

Bit 7

Bit 6

 

Bit 5

 

Bit 4

 

Bit 3

 

Bit 2

 

Bit 1

Bit 0

 

 

 

 

 

 

 

 

 

 

 

 

 

/PH96

 

/PH95

 

 

/PH93

 

/PH92

 

/PH91

/PH90

 

 

 

 

 

 

 

 

 

 

 

 

 

IOCD [0~3, 5, 6] These bits control the 25KΩ pull-high resistor of individual pins in Port 9.

0 : Enable the pull-high function

1 : Disable the pull-high function

IOCD [4, 7] Reserved bits

Product Specification (V1.11) 04.20.2007

19

(This specification is subject to change without further notice)

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Image 23
IBM EM78M611E manual DualFrq.1 DualFrq.0 Frequency, Bit P96 P95 P94 P93 P92 P91 P90, PH95 PH93