CTM8B54E/55E/56E/57E
EPROM-Based 8-Bit CMOS Microcontroller
TABLE 2. T0MODE Register
Bit
Symbol
Description
Bit Value
Timer Rate
WDT Rate
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
1:2
1:4
1:8
1:16
1:32
1:64
1:128
1:256
1:1
1:2
1:4
2-0
PS2:PS0
1:8
1:16
1:32
1:64
1:128
Prescaler assign bit:
= 0, Timer0
3
4
PSC
TE
= 1, WDT
Timer0 source signal edge select bit:
= 0, increment when low-to-high transition on T0CKI pin
= 1, increment when high-to-low transition on T0CKI pin
Timer0 source signal select bit:
= 0, internal instruction clock cycle
= 1, transition on T0CKI pin
5
TS
-
6, 7
Unused
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN, R.O.C
Email: server@ceramate.com.tw
Tel:886-3-3529445
Fax:886-3-3521052
Http: www.ceramate.com.tw
Rev 1.1 Dec 26,2001
Page 6 of 23
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