r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 76
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r5f21368sdfp
Manufacturer Part Number
r5f21368sdfp
Description
Renesas Mcu R8c Family / R8c/3xt-a Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5F21368SDFP.pdf
(760 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
r5f21368sdfp#V0
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 76 of 760
- Download datasheet (7Mb)
Under development
R8C/36T-A Group
R01UH0240EJ0001 Rev.0.01
Apr 28, 2011
6.2.2
Notes:
After Reset
1. The CWR bit is set to 0 (cold start-up) after power-on or voltage monitor 0 reset. This bit remains unchanged
2. The CWR bit is set to 1 by writing 1 by a program. (Writing 0 to this bit has no effect.)
3. When the VW0C0 bit in the VW0C register is 0 (voltage monitor 0 reset disabled), the CWR bit is undefined.
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 00028h
after a hardware reset, software reset, or watchdog timer reset.
Symbol
Symbol
Bit
CWR
HWR
SWR
WDR
Reset Source Determination Register (RSTFR)
—
—
—
—
Preliminary document
Specifications in this document are tentative and subject to change.
b7
—
0
Cold start-up/warm start-up
determine flag
Hardware reset detect flag
Software reset detect flag
Watchdog timer reset detect flag
Reserved
Nothing is assigned. The write value must be 0. The read value is 0.
b6
—
0
Bit Name
(2, 3)
b5
—
X
b4
—
X
0: Cold start-up
1: Warm start-up
0: Not detected
1: Detected
The read value is undefined.
WDR
b3
X
SWR
b2
X
Function
HWR
b1
X
CWR
b0
X
(Note 1)
Page 45 of 725
6. Resets
R/W
R/W
—
R
R
R
R
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