Renesas M32R/ECU Series

10
10-16
MULTIJUNCTION TIMERS
10.2 Common Units of Multijunction Timers
32180 Group User’s Manual (Rev.1.0)
The Clock Bus and Input/Output Event 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>
9 1011121314b15b8
CKB2SIEB0S
IEB1S
IEB3S IEB2S
000000 0
0
<After reset: H’00>
b Bit Name Function R W
8, 9 IEB3S 00: Select external input 3 (TIN3) R W
Input event bus 3 input select bit 01: – ditto –
10: Select output event bus 2
11: Select TIO7 output
10, 11 IEB2S 00: Select external input 0 (TIN0) R W
Input event bus 2 input select bit 01: Select external input 2 (TIN2)
10: Select external input 4 (TIN4)
11: – ditto –
12 IEB1S 0: Select external input 5 (TIN5) R W
Input event bus 1 input select bit 1: Select TIO6 output
13 IEB0S 0: Select external input 6 (TIN6) R W
Input event bus 0 input select bit 1: Select TIO5 output
14 No function assigned. Fix to "0". 00
15 CKB2S 0: Select prescaler 2 R W
Clock bus 2 input select bit 1: Select external clock 3 (TCLK3)
The CKIEBCR register 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.