TS80C32X2-LCAB Temic Semiconductors (acquired by ATMEL Corporation), TS80C32X2-LCAB Datasheet - Page 9

• Manufacturer Part Number: TS80C32X2-LCAB
• Description: 8-bit CMOS Microcontroller 0-60 MHZ
• Manufacturer: Temic Semiconductors (acquired by ATMEL Corporation)

CKCON - Clock Control Register (8Fh)
Reset Value = XXXX XXX0b
Not bit addressable
Rev. B - Jan. 25, 1999
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
Preliminary
4
-
3
-
Description
OSC
2
-
=F
OSC
XTAL
=F
TS80C52X2
XTAL
).
/
2).
1
-
X2
0
9