AT89C51CC03C-RLTIM 查看數據表（PDF） - Atmel Corporation

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AT89C51CC03C-RLTIM

Enhanced 8-bit MCU with CAN Controller and Flash Memory

Atmel Corporation 

4182K–CAN–05/06

AT89C51CC03

Table 105. ADCLK Register

ADCLK (S:F2h)

ADC Clock Prescaler

7

6

5

4

3

2

1

0

-

-

-

PRS 4

PRS 3

PRS 2

PRS 1

PRS 0

Bit

Number

7-5

4-0

Bit

Mnemonic Description

-

Reserved

The value read from these bits are indeterminate. Do not set these bits.

PRS4:0

Clock Prescaler

See Note (1)

Reset Value = XXX0 0000b

Note: 1. In X1 mode:

For PRS > 0 FADC = FXTAL

4xPRS

For PRS = 0 FADC = FXTAL

128

In X2 mode:

For PRS > 0 FADC = FXTAL

2xPRS

For PRS = 0 FADC = FXTAL

64

Table 106. ADDH Register

ADDH (S:F5h Read Only)

ADC Data High Byte Register

7

ADAT 9

6

ADAT 8

5

ADAT 7

4

ADAT 6

Bit

Number

7-0

Bit

Mnemonic Description

ADAT9:2

ADC result

bits 9-2

Reset Value = 00h

3

ADAT 5

2

ADAT 4

1

ADAT 3

0

ADAT 2

Table 107. ADDL Register

ADDL (S:F4h Read Only)

ADC Data Low Byte Register

7

6

5

4

3

2

1

0

-

-

-

-

-

-

ADAT 1 ADAT 0

159

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