upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 489

• Manufacturer Part Number: upd70f3422gj-gae-qs-ax
• Description: 32-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

Watch Timer (WT)
Bit position
3 to 2
0
Initial Value
Table 14-7
Address
Access
TMC00[3:2] Operation mode selection:
Bit name
OVF00
Note
(1)
TMC00 - WCT mode control register
The 8-bit TMC00 register controls the operation of the WCT.
This register can be read/written in 8-bit or 1-bit units.
<base> + 6
00
TMC00 register contents
1.
2.
Preliminary User’s Manual U17566EE1V2UM00
Function
Counter overflow indicator:
H
R
0: No overflow
1: Overflow occurred
. This register is cleared by any reset.
If an attempt is made to change the setting of TMC00[3:2] while the timer is
running, these bits are cleared and the timer is stopped. When the timer is
stopped, you can change the operation mode.
The OVF00 bit is set when the counter reaches FFFF
when the counter continues with 0000
has no effect.
7
0
TMC003 TMC002 Operating mode
0
0
1
1
H
R
6
0
0
1
0
1
R
5
0
Stop mode
Free-running mode. Generates interrupt on match
between TM00 and CR000.
INTWT0UV interval measurement mode with restart of
TM00. Generates interrupt with valid edge of INTWT0UV.
Setting prohibited.
R
4
0
TMC003
R/W
3
H
. Clearing OVF00 within that time
TMC002
R/W
2
H
and once more
R
1
0
Chapter 14
OVF00
R/W
0
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