MULTIJUNCTION TIMERS
10.3 TOP (Output-Related 16-Bit Timer)
10
TOP8–10 Control Register (TOP810CR)
<Address: H’0080 02EA>
b0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
b15
TOP810
ENS
TOP10M
TOP9M
TOP810CKS
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
<After reset: H’0000>
b
Bit Name
Function
R
0
W
0
0, 1
2, 3
4, 5
6, 7
No function assigned. Fix to "0".
TOP10M (TOP10 operation mode select bit)
TOP9M (TOP9 operation mode select bit)
TOP8M (TOP8 operation mode select bit)
00: Single-shot output mode
R
W
01: Delayed single-shot output mode
10: Continuous output mode
11: – ditto –
8–10
11
No function assigned. Fix to "0".
0
0
TOP810ENS
0: External TIN2 input
1: Input event bus 3
R
W
TOP8–10 enable source select bit
12, 13
14, 15
No function assigned. Fix to "0".
0
0
TOP810CKS
00: Clock bus 0
01: Clock bus 1
10: Clock bus 2
11: Clock bus 3
R
W
TOP8–10 clock source select bit
Notes: • This register must always be accessed in halfwords.
• Operation mode can only be set or changed while the counter is inactive.
Clock bus
Input event bus
3 2 1 0 3 2 1 0
S
clk
clk
clk
TOP 8
TOP 9
TOP 10
en
en
en
TIN2 (P152)
TIN2S
S
S
: Selector
Note: • This diagram only illustrates TOP control registers and is partly omitted.
Figure 10.3.5 Outline Diagram of TOP8–10 Clock and Enable Inputs
32180 Group User’s Manual (Rev.1.0)
10-74
RENESAS [ RENESAS TECHNOLOGY CORP ]
