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10.3 TOP (Output-Related 16-Bit Timer)
MULTIJUNCTION TIMERS
10
10-74
32185/32186 Group Hardware Manual
Rev.1.10 REJ09B0235-0110 May 15, 07
10.3.8 TOP Enable Control Registers
TOP0–10 External Enable Permit Register (TOPEEN)
<Address: H’0080 02FA>
<Upon exiting reset: H’0000>
b
Bit Name
Function
R
W
0–4
No function assigned. Fix to "0."
00
5
TOP10EEN (TOP10 external enable permit bit)
0: Disable external enable
R
W
6
TOP9EEN (TOP9 external enable permit bit)
1: Enable external enable
7
TOP8EEN (TOP8 external enable permit bit)
8
TOP7EEN (TOP7 external enable permit bit)
9
TOP6EEN (TOP6 external enable permit bit)
10
TOP5EEN (TOP5 external enable permit bit)
11
TOP4EEN (TOP4 external enable permit bit)
12
TOP3EEN (TOP3 external enable permit bit)
13
TOP2EEN (TOP2 external enable permit bit)
14
TOP1EEN (TOP1 external enable permit bit)
15
TOP0EEN (TOP0 external enable permit bit)
Note: This register must always be accessed in halfwords.
The TOP0–10 External Enable Permit Register controls enable operation on TOP counters from external de-
vices by enabling or disabling it.
TOP0–10 Enable Protect Register (TOPPRO)
<Address: H’0080 02FC>
<Upon exiting reset: H’0000>
b
Bit Name
Function
R
W
0–4
No function assigned. Fix to "0."
00
5
TOP10PRO (TOP10 enable protect bit)
0: Enable for rewriting
R
W
6
TOP9PRO (TOP9 enable protect bit)
1: Protect against rewriting
7
TOP8PRO (TOP8 enable protect bit)
8
TOP7PRO (TOP7 enable protect bit)
9
TOP6PRO (TOP6 enable protect bit)
10
TOP5PRO (TOP5 enable protect bit)
11
TOP4PRO (TOP4 enable protect bit)
12
TOP3PRO (TOP3 enable protect bit)
13
TOP2PRO (TOP2 enable protect bit)
14
TOP1PRO (TOP1 enable protect bit)
15
TOP0PRO (TOP0 enable protect bit)
Note: This register must always be accessed in halfwords.
The TOP0–10 Enable Protect Register controls rewriting of the TOP count enable bit by enabling for or protect-
ing it against rewriting.
b0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
b15
TOP10 TOP9
TOP8
TOP7
TOP6
TOP5
TOP4
TOP3
TOP2
TOP1
TOP0
PRO
0
00
000
0000
00
b0
12
34
56
78
9
10
11
12
13
14
b15
TOP10 TOP9
TOP8
TOP7
TOP6
TOP5
TOP4
TOP3
TOP2
TOP1
TOP0
EEN
00
0
00
0