upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 161
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upd70f3422gj-gae-qs-ax
Manufacturer Part Number
upd70f3422gj-gae-qs-ax
Description
32-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD70F3422GJ-GAE-QS-AX.pdf
(930 pages)
- Current page: 161 of 930
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Clock Generator
Bit position
1
2
Initial Value
Table 4-20
Address
Access
Bit name
STBYMD
STBYCD
(4)
STBCTL- Stand-by control register
The 8-bit STBCTL register is used to control the stand-by function of the
voltage regulators.
This register can be read/written in 8-bit or 1-bit units.
Writing to this register is protected by a special sequence of instructions.
Please refer to “STBCTLP - Stand-by control protection register” on page 162
for details.
FFFF FCA2
00
STBCTL register contents
In order to reduce the power consumption during power save modes the stand-
by function of the voltage regulators should be enabled during the initialization.
If a dedicated microcontroller does not include any of the voltage regulators
dedicated to the controls bit STBCTL.STBYCD andSTBCTL.STBYMD, the
status of the control bit has no function. Thus the initialization for enabling the
stand-by functions by STBCTL = 03
concerning voltage regulators refer to “Power Supply Scheme” on page 855.
Preliminary User’s Manual U17566EE1V2UM00
H
. The register is cleared by any reset.
R
Function
Enable stand-by function of VDD50 and VDD51 voltage regulators:
Enable stand-by function of VDD52 voltage regulator:
7
0
0: Stand-by function disabled
1: Stand-by function enabled
0: Stand-by function disabled
1: Stand-by function enabled
H
.
R
6
0
R
5
0
R
4
0
H
can be retained. For further details
R
3
0
R
2
0
STYCD
R/W
1
Chapter 4
STBYMD
R/W
0
161
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