upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 154

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

Chapter 4
154
Bit position
0
Initial Value
Table 4-15
Address
Access
Note
(3)
Bit name
SPSEL0
SCC - SPCLK control register
The 8-bit SCC register selects the SPCLK sources.
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 “PHCMD - Command protection register” on page 140 for
details.
FFFF F832
00
mode
a)
SCC register contents
1.
2.
Preliminary User’s Manual U17566EE1V2UM00
H
. The register is initialized by entering WATCH, Sub-WATCH, or STOP
“Main osc” is the clock provided by the main oscillator.
“PLL” is the clock provided by the PLL.
R
7
0
This bit must not be altered.
Source selection for generating the SPCLK clocks:
H
.
R
6
0
SPSEL0
0
1
R
5
0
SPCLK0
Main osc
PLL / 2
R
4
0
Function
R
3
0
Clock sources
Main osc
SPCLK1
PLL / 4
R
2
0
Clock Generator
R/W
0
1
a
Main osc
Main osc
SPCLK2
SPSEL0
R/W
0