TS80C54X2YYY-MICD Atmel Corporation, TS80C54X2YYY-MICD Datasheet - Page 9
TS80C54X2YYY-MICD
Manufacturer Part Number
TS80C54X2YYY-MICD
Description
8-bit CMOS Microcontroller 16/32 Kbytes ROM/OTP
Manufacturer
Atmel Corporation
Datasheet
1.TS80C54X2YYY-MICD.pdf
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CKCON - Clock Control Register (8Fh)
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)
Rev. C - 15 January, 2001
Number
Bit
7
6
5
4
3
2
1
0
7
-
Mnemonic
Bit
X2
-
-
-
-
-
-
-
6
-
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
CPU and peripheral clock bit
The value read from this bit is indeterminate. Do not set this bit.
The value read from this bit is indeterminate. Do not set this bit.
The value read from this bit is indeterminate. Do not set this bit.
The value read from this bit is indeterminate. Do not set this bit.
The value read from this bit is indeterminate. Do not set this bit.
The value read from this bit is indeterminate. Do not set this bit.
The value read from this bit is indeterminate. Do not set this bit.
Clear to select 12 clock periods per machine cycle (STD mode, F
Set to select 6 clock periods per machine cycle (X2 mode, F
5
-
Table 4. CKCON Register
4
-
3
-
Description
OSC
2
-
=F
OSC
XTAL
TS80C54X2/C58X2
TS87C54X2/C58X2
=F
XTAL
).
/
2).
1
-
X2
0
9
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