upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 264

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

Chapter 7
a)
264
System
clock
SUWL
VSWL
VSWC
When deriving the system clock from the modulated clock of the SSCG, the maximum clock deter-
mines the correct register setting.
a
f
VBCLK
Table 7-10
≤ 16 MHz
00
0
0
H
The following setups are recommended for VSWC:
Recommended timing for internal bus
Preliminary User’s Manual U17566EE1V2UM00
≤ 25 MHz
01
0
1
H
≤ 33 MHz
11
1
1
H
Bus and Memory Control (BCU, MEMC)
≤ 50 MHz
12
1
2
H
≤ 66 MHz
13
1
3
H
≤ 75 MHz
14
1
4
H