T83C5101 查看數據表（PDF） - Temic Semiconductors

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T83C5101

8-bit Low pin count Microcontrollers, 0-66 MHz

Temic Semiconductors 

CKCON - Clock Control Register (8Fh)

Table 3. CKCON Register

7

6

5

4

3

2

-

-

-

-

-

-

T87C5101

T83C5101/02

1

0

-

X2

Bit

Bit

Number Mnemonic

Description

7

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

6

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

5

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

4

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

3

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

2

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

1

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

CPU and peripheral clock bit

0

X2

Clear to select 12 clock periods per machine cycle (STD mode, FOSC=FXTAL/2).

Set to select 6 clock periods per machine cycle (X2 mode, FOSC=FXTAL).

Reset Value = XXXX XXX0b

Not bit addressable

Rev. E - 29 February 2000

9

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