HD404364 查看數據表（PDF） - Renesas Electronics

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HD404364

4-bit HMCS400-Series microcomputer

Renesas Electronics 

HD404369 Series

A/D Data Register (ADRL: $017, ADRU: $018): Eight-bit read-only register consisting of a 4-bit lower

digit and 4-bit upper digit. This register is not cleared by reset. After the completion of A/D conversion, the

resultant eight-bit data is held in this register until the start of the next conversion (figures 75, 76, and 77).

ADRU: $018

3

2

1

0

ADRL: $017

3

2

1

0

MSB

LSB

Bit 7

Bit 0

Figure 75 A/D Data Registers (ADRU, ADRL)

A/D data register (lower digit) (ADRL: $017)

Bit

Initial value

Read/Write

Bit name

3

0

R

ADRL3

2

0

R

ADRL2

1

0

R

ADRL1

0

0

R

ADRL0

Figure 76 A/D Data Register Lower Digit (ADRL)

A/D data register (upper digit) (ADRU: $018)

Bit

Initial value

Read/Write

Bit name

3

1

R

ADRU3

2

0

R

ADRU2

1

0

R

ADRU1

0

0

R

ADRU0

Figure 77 A/D Data Register Upper Digit (ADRU)

89

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