em78p613 ELAN Microelectronics Corp, em78p613 Datasheet - Page 23

• Manufacturer Part Number: em78p613
• Description: Universal Serial Bus Series Microcontroller
• Manufacturer: ELAN Microelectronics Corp

Product Specification (V1.0) 01.09.2009
(This specification is subject to change without further notice)
7.2.3.4
IOCA [0, 1]
IOCA[2~3] Reserved
IOCA[4]
IOCA[5]
IOCA [6, 7] Select the operation frequency in Dual Clock Mode. Four frequencies are
Dual_Frq.1
Bit 7
IOCA[4]: Remote_Wake up bit
EM78M611 does NOT support this function. Only EM78P613, EM78P611F,
EM78611E and EM78M611E do.
IOCA[5]: /P76, /P77 Pull-high bit
The previous versions of EM78M611/EM78611 do NOT support this function. Only the
EM78P613/EM78611E/EM78P611F supports this function in USB mode.
Dual_Frq.1
IOCA[1]
IOCA (Operation Mode Control Register) Default Value: (0B_1110_0011)
Indicate whether the device is currently requested to support remote wake
up or not. The Remote Wake-up field can be modified by SetFeature () and
ClearFeature () requests.
Pull-high resistor of P77 and P76. This is applicable USB mode only.
0 : Do Not support remote wake up
1 : Supports remote wake up
0 : Pull-high is enabled
1 : Pull-high is disabled
0
0
1
1
available and can be chosen as Dual Clock Mode in running the MCU
program.
Two bits used to select the operation mode.
0
0
1
1
Dual_Frq.0
Bit 6
/P76,/P77
Pull high
Bit 5
IOCA[0]
0
1
0
1
Dual_Frq.0
Universal Serial Bus Series Microcontroller
NOTE
NOTE
Remote_
Wake up
Bit 4
0
1
0
1
Detect Mode
USB Mode
PS/2 Mode
USB Test Mode
Bit 3
−
Operation Mode
Bit 2
Frequency
−
256kHz
500Hz
32kHz
4kHz
EM78P613
Bit 1
PS/2
Bit 0
USB
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