參數(shù)資料
型號(hào): TS80C54X2
廠商: Atmel Corp.
英文描述: 8-bit CMOS Microcontroller 16/32 Kbytes ROM/OTP
中文描述: 8位CMOS微控制器16/32字節(jié)ROM /雙層
文件頁數(shù): 9/58頁
文件大小: 1039K
代理商: TS80C54X2
Rev. C - 15 January, 2001
9
TS80C54X2/C58X2
TS87C54X2/C58X2
Table 4. CKCON Register
CKCON - Clock Control Register (8Fh)
7
Reset Value = XXXX XXX0b
Not bit addressable
For further details on the X2 feature, please refer to ANM072 available on the web (http://www.atmel -wm.com)
6
5
4
3
2
1
0
-
-
-
-
-
-
-
X2
Bit
Number
Bit
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.
0
X2
CPU and peripheral clock bit
Clear to select 12 clock periods per machine cycle (STD mode, F
OSC
=F
XTAL
/
2).
Set to select 6 clock periods per machine cycle (X2 mode, F
OSC
=F
XTAL
).
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