upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 156

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

Chapter 4
156
Initial Value
Bit position
Table 4-17
Address
Access
1
Note
(5)
ICC - IIC clock control register
The 8-bit ICC register determines the I
This register can be read/written in 8-bit units.
Writing to this register is protected by a special sequence of instructions.
Please refer to “PHCMD - Command protection register” on page 140 for
details.
FFFF F838
00
a)
b)
ICC register contents
On release of WATCH, Sub-WATCH and STOP mode, IICSEL1 is cleared—the
main oscillator is selected as the I
Pay attention if PSM.OSCDIS = 1 before entering any of the above power save
modes, because the main oscillator will be disabled. Therefore the I
interface will have no clock supply after power save mode release.
Preliminary User’s Manual U17566EE1V2UM00
Bit name
IICSEL1
H
R
. The register is cleared by any reset.
7
0
b
These bits must not be altered.
These bits may be written, but write is ignored.
H
Function
Clock source for IICLK:
.
R/W
0
6
a
IICSEL1 Clock source
0
1
R/W
0
5
a
Main oscillator
PLL
R/W
0
4
2
a
C clock source.
2
C clock source for IICLK.
R
3
0
b
R
2
0
b
IICSEL1
Clock Generator
R/W
1
2
C
R/W
0
0
a