10
10-78
MULTIJUNCTION TIMERS
10.3 TOP (Output-Related 16-Bit Timer)
32180 Group User’s Manual (Rev.1.0)
10.3.8 TOP Enable Control Registers
TOP External Enable Permit Register (TOPEEN)
<Address: H’0080 02FA>
b0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
b15
TOP10
EEN
TOP9
EEN
TOP8
EEN
TOP7
EEN
TOP6
EEN
TOP5
EEN
TOP4
EEN
TOP3
EEN
TOP2
EEN
TOP1
EEN
TOP0
EEN
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
<After reset: H’0000>
b
Bit Name
Function
R
W
0–4
No function assigned. Fix to "0".
0
0
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 TOP External Enable Permit Register controls enable operation on TOP counters from external devices by
enabling or disabling it.
TOP Enable Protect Register (TOPPRO)
<Address: H’0080 02FC>
b0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
b15
TOP10
PRO
TOP9
PRO
TOP8
PRO
TOP7
PRO
TOP6
PRO
TOP5
PRO
TOP4
PRO
TOP3
PRO
TOP2
PRO
TOP1
PRO
TOP0
PRO
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
<After reset: H’0000>
b
Bit Name
Function
R
W
0–4
No function assigned. Fix to "0".
0
0
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 TOP Enable Protect Register controls rewriting of the TOP count enable bit by enabling for or protecting it
against rewriting.
Summary of Contents for M32R/ECU Series
Page 17: ...12 This page is blank for reasons of layout...
Page 712: ...CHAPTER 18 OSCILLATOR CIRCUIT 18 1 Oscillator Circuit 18 2 Clock Generator Circuit...
Page 794: ...CHAPTER 22 TYPICAL CHARACTERISTICS...
Page 796: ...APPENDIX 1 MECHANICAL SPECIFICAITONS Appendix 1 1 Dimensional Outline Drawing...
Page 798: ...APPENDIX 2 INSTRUCTION PROCESSING TIME Appendix 2 1 32180 Instruction Processing Time...
Page 802: ...APPENDIX 3 PROCESSING OF UNUSED PINS Appendix 3 1 Example Processing of Unused Pins...