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10
The clock bus/input-output bus control unit has the following registers:
• Clock Bus & Input Event Bus Control Register (CKIEBCR)
• Output Event Bus Control Register (OEBCR)
Clock Bus & Input Event Bus Control Register (CKIEBCR) <Address: H'0080 0201>
D8
IEB3S
D
Bit Name
8, 9
IEB3S
(input event bus 3 input selection) 10 : Selects output event bus 2
10, 11
IEB2S
(input event bus 2 input selection) 01 : Selects external input 2 (TIN2)
12
IEB1S
(input event bus 1 input selection) 1 : Selects TIO6 output
13
IEB0S
(input event bus 0 input selection) 1 : Selects TIO5 output
14
No functions assigned
15
CKB2S
(Clock Bus 2 input selection)
The register CKIEBCR is used to select the clock source (external input or prescaler) supplied to
the clock bus and the count enable/capture signal (external input or output event bus) supplied to
the input event bus.
9
10
11
IEB2S
Function
0X : Selects external input 3 (TIN3)
11 : Selects TIO7 output
00 : Selects external input 0 (TIN0)
1X : Selects external input 4 (TIN4)
0 : Selects external input 5 (TIN5)
0 : Selects external input 6 (TIN6)
0 : Selects prescaler 2
1 : Selects external clock 3 (TCLK3)
10-16
MULTIJUNCTION TIMERS
10.2 Common Units of Multijunction Timer
12
13
14
IEB1S
IEB0S
D15
CKB2S
<When reset : H'00>
R
W
0
—
Ver.0.10
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