m5m51016btp Renesas Electronics Corporation., m5m51016btp Datasheet - Page 28

• Manufacturer Part Number: m5m51016btp
• Description: Renesas 16-bit Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

M30245 Group
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Figure 2.2.13. Set-up procedure of event counter mode, reload type selected
(b15)
Setting count start flag
Setting divide ratio
b7
b7
b7
b7
Selecting event counter mode and functions
Setting up/down flag
b7
Setting one-shot start flag and trigger select register
0
Note: Set the corresponding port direction register to “0”.
0
0
0
0
0
0
0
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0
0
b0
b0
b0
1
b0
(b8)
b0
Selection of event counter mode
Count polarity select bit
Timer A0 up/down flag
Timer A1 up/down flag
Timer A2 up/down flag
Timer A3 up/down flag
Timer A4 up/down flag
Timer A0 count start flag
Timer A1 count start flag
Timer A2 count start flag
Timer A3 count start flag
Timer A4 count start flag
Up/down switching cause select bit
0 (Must always be “0” in event counter mode)
Count operation type select bit
Invalid in event counter mode (i = 0, 1)
Invalid when not using two-phase pulse signal processing(i = 2 to 4)
When not using the 2-phase pulse signal processing function, set the select bit to “0”.
Timer A0 event/trigger select bit
Pulse output function select bit
b7
b7 b6
0 : Counts external signal's falling edge
0 : Up/down flag's content
0 : Reload type
0 : Down count
0 : Down count
0 : Down count
0 : Down count
0 : Down count
0 0 :
0 : Pulse is not output (TAi OUT pin is a normal port pin)
One-shot start flag [Address 0382
ONSF
Up/down flag [Address 0384
UDF
Count start flag [Address 0380
Timer Ai mode register (i=0 to 4) [Address 0396
TAiMR (i=0 to 4)
TABSR
Input on TA0
Can be set to 0000
IN
is selected (Note)
b0
16
16
to FFFF
]
16
Start count
Timer A0 register [Address 0387
Timer A1 register [Address 0389
Timer A2 register [Address 038B
Timer A3 register [Address 038D
Timer A4 register [Address 038F
]
16
]
16
b7
16
to 039A
16
]
b0
16
16
16
16
16
Timer A2 event/trigger select bit
, 0386
, 0388
Timer A1 event/trigger select bit
Timer A3 event/trigger select bit
Timer A4 event/trigger select bit
, 038A
, 038E
, 038C
b1 b0
b7 b6
b3 b2
b5 b4
Trigger select register [Address 0383
TRGSR
0 0 :
0 0 :
0 0 :
0 0 :
Input on TA2
Input on TA1
Input on TA3
Input on TA4
16
16
16
16
16
] TA0
] TA1
] TA2
] TA4
] TA3
IN
IN
IN
IN
is selected (Note)
is selected (Note)
is selected (Note)
is selected (Note)
16
]
2. Timer A