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Chapter 11
16-bit Timer/Event Counter T
User’s Manual U16580EE3V1UD00
<2> Method to clear counter to 0000H through detection of level clear condition (TTnSCE = 1)
When TTnSCE = 1, the counter is cleared to 0000H according to the clear condition level of pins
TECRTn, TENCTn1, and TENCTn0 set with bits TTnZCL, TTnBCL, and TTnACL. At this time, no
encoder clear interrupt (INTTTnEC) is output. When TTnSCE = 1, the settings of bits TTnECS1
and TTnECS0 are invalid.
Operation example:
When TTnSCE = 1, TTnCLA = 1, TTnCLB = 0, TTnCLZ = 1, TTnUDS = 11B are set
<Clear condition level>
TECRTn pin: High level, TENCTn1 pin: Low level, TENCTn0 pin: High level
Figure 11-36:
Counter Clearing to 0000H through Encoder Clear Input (pin TECRTn) Timings (2/4)
(b) when TECRTn Pin Input Is Delayed from TENCTn1 Pin Input during Up Count
Remark:
n = 0, 1
TENCTn0
TENCTn1
TECRTn
H
L
0
m
m+1
TTnCCR0
0
TTnCCR1
INTTTnCC1
m+1
INTTTnCC0
H
m
TTnCCR0
INTTTnCC0
When “m+1” set to TTnCCR0
When “0000H” set to TTnCCR1
When “m” set to TTnCCR0
Count clock
Counter
Compare match interrupt not output
Signal after edge detection
Base clock
Содержание MuPD70F3187
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Страница 192: ...192 Chapter 5 Memory Access Control Function μPD70F3187 only User s Manual U16580EE3V1UD00 MEMO ...
Страница 312: ...312 Chapter 9 16 Bit Timer Event Counter P User s Manual U16580EE3V1UD00 MEMO ...
Страница 534: ...534 Chapter 11 16 bit Timer Event Counter T User s Manual U16580EE3V1UD00 ...
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Страница 976: ...976 Chapter 22 Internal RAM Parity Check Function User s Manual U16580EE3V1UD00 MEMO ...
Страница 984: ...984 Chapter 23 On Chip Debug Function OCD User s Manual U16580EE3V1UD00 MEMO ...
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Страница 1036: ...1036 Chapter 27 Recommended Soldering Conditions User s Manual U16580EE3V1UD00 MEMO ...
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