HT82K74EE datasheet(32/56 Pages) HOLTEK

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HT82K74E/HT82K74EE

Rev. 1.00

December 15, 2009

Bit No.

MCU

Name

Function

Name

R/W

Description for Mouse Mode

PFC0

AMP_ctrl

R/W

Control AMP function

1: on AMP function

0: off AMP function (default)

PFC1

DC_ctrl

R/W

This bit is used to decide whether the DC/DC circuit is in operation

0: enable the DC/DC circuit

0: disable the DC/DC circuit

PFC2

LVDF

Flag for 2.2V/2.0V battery low signal coming from DC/DC block (the

battery low level 2.2V or 2.0V is selected by configuration option).

1: battery voltage

£ 2.2V/2.0V

0: battery voltage > 2.2V/2.0V

PFC3

LVD18

1.8V Battery Low signal for DC/DC 1.8V

Always Off in Power Down Mode.

1: battery voltage

£ 1.8V

0: battery voltage > 1.8V

4~7

PFC4~7

Reserved bit

R/W

Always read 0

Control Register

- CTLR

Bit No.

MCU Name

R/W

Description for mouse mode

OSC1_C0

R/W

0: no 2X pf capacitor connected to OSC1 (default)

1: has 2X pf capacitor connected to OSC1

OSC1_C1

R/W

0: no 4X pf capacitor connected to OSC1 (default)

1: has 4X pf capacitor connected to OSC1

OSC1_C2

R/W

0: no 8X pf capacitor connected to OSC1 (default)

1: has 8X pf capacitor connected to OSC1

Reserved bit

R/W

Always read 0

OSC2_C0

R/W

0: no 2X pf capacitor connected to OSC2 (default)

1: has 2X pf capacitor connected to OSC2

OSC2_C1

R/W

0: no 4X pf capacitor connected to OSC2 (default)

1: has 4X pf capacitor connected to OSC2

OSC2_C2

R/W

0: no 8X pf capacitor connected to OSC2 (default)

1: has 8X pf capacitor connected to OSC2

OSC2_C3

R/W

0: no 16X pf capacitor connected to OSC2 (default)

1: has 16X pf capacitor connected to OSC2

Where

²X² is 3pf capacitor.

OSC CAP Control Register

- OSCC

HT82K74EE 数据表(PDF) 32 Page - Holtek Semiconductor Inc

HT82K74EE 数据表(HTML) 32 Page - Holtek Semiconductor Inc

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