RTD2120K 데이터 시트보기 (PDF) - Realtek Semiconductor

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RTD2120K

8051 Embedded Micro-Controller for Monitor

Realtek Semiconductor 

Realtek

RTD2120-series

Register::Port67_pin_reg

0xFF5F

Name

Bits

Read/Write Reset State Comments

Reserved

P67

7:1

--

0

R/W

0

Reserved

1

Input/output value of P6.7

Register::Port76_pin_reg

0xFF60

Name

Bits

Read/Write Reset State Comments

Reserved

P76

7:1

--

0

R/W

0

Reserved

1

Input/output value of P7.6

Register::Port77_pin_reg

0xFF61

Name

Bits

Read/Write Reset State Comments

Reserved

P77

7:1

--

0

R/W

0

Reserved

1

Input/output value of P7.7

Low Voltage Reset & Power on Reset

When the voltage level of power supply is below VLT, the low voltage reset(LVR) generates a chip

reset signal. After the power supply is above VUT(2.6V), LVR remain in reset state for 65536 X’tal

cycle(tPOR) to guarantee the chip exit reset condition.

VCC

VUT

VLT

VSS

tPOR

INTERNAL RESET

Register::LVR_control

Name

Bits

Read/Write Reset State Comments

0xFF0A

confidential

19

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