RL78/L1C ターゲット・ボード
QB-R5F110PJ-TB ユーザーズ・マニュアル
ユーザーズ・マニュアル
R20UT2521XJ0200
Rev2.00 2013.07.12
クロック, ポートの設定方法
○メインクロックの設定
OSC1 pad
OSC3 pad (
基板裏面
)
P121, P122 pad
デフォルト設定：
3 端子発振子(OSC1)を使用
X1 pad : short
X2 pad : short
S_X1 pad : open
S_X2 pad : open
P121 pad : open
P122 pad : open
2 端子発振子(OSC3)を使用
X1 pad : open
X2 pad : open
OSC3, C5, C6
の実装
S_X1 pad : short
S_X2 pad : short
P121 pad : open
P122 pad : open
P121,P122 として使用
X1 pad : open
X2 pad : open
S_X1 pad : open
S_X2 pad : open
P121 pad : X1-P121 short
P122 pad : X2-P122 short
発振子
(OSC1,OSC3)
を
使用しない場合
X1 pad : open
X2 pad : open
S_X1 pad : open
S_X2 pad : open
P121 pad : X1-GND short
P122 pad : X2-GND short
○サブクロックの設定
OSC2 pad
P123, P124 pad
デフォルト設定：
発振子(OSC2)を使用
XT1 pad : short
XT2 pad : short
P123 pad : open
P124 pad : open
P123, P124 をポートとして使用
XT1 pad : open
XT2 pad : open
P123 pad : XT1-P123 short
P124 pad : XT2-P124 short
発振子(OSC2)を使用しない場合
XT1 pad : open
XT2 pad : open
P123 pad : XT1-GND short
P124 pad : XT2-GND short
R20UT2521XJ0200 Rev.2.00
Page 2 of 3
2013.07.12
OSC1, OSC2, OSC3
の
pad
図
RL78/L1C Target board
QB-R5F110PJ-TB User’s Manual
User’s Manual
R20UT2521XJ0200
Rev2.00 2013.07.12
Setting of Clock and port.
- Setting of main clock
OSC1 pad
OSC3 pad (back of board)
P121, P122 pad
Default setting:
Using resonator of 3-pin (OSC1)
X1 pad : short
X2 pad : short
S_X1 pad : open
S_X2 pad : open
P121 pad : open
P122 pad : open
Using resonator of 2-pin (OSC3)
X1 pad : open
X2 pad : open
Mounting of OSC3, C5 and C6
S_X1 pad : short
S_X2 pad : short
P121 pad : open
P122 pad : open
Using P121 and P122
X1 pad : open
X2 pad : open
S_X1 pad : open
S_X2 pad : open
P121 pad : X1-P121 short
P122 pad : X2-P122 short
Don’t use resonator
(OSC1 and OSC3)
X1 pad : open
X2 pad : open
S_X1 pad : open
S_X2 pad : open
P121 pad : X1-GND short
P122 pad : X2-GND short
- Setting of sub clock
OSC2 pad
P123, P124 pad
Default setting:
Using resonator
（
OSC2
）
XT1 pad : short
XT2 pad : short
P123 pad : open
P124 pad : open
Using P123 and P124
XT1 pad : open
XT2 pad : open
P123 pad : XT1-P123 short
P124 pad : XT2-P124 short
Don’t use resonator (OSC2)
XT1 pad : open
XT2 pad : open
P123 pad : XT1-GND short
P124 pad : XT2-GND short
R20UT2521XJ0200 Rev.2.00
Page 2 of 3
2013.07.12
1. OSC1 pad
図
2. OSC2 pad
図
3. OSC3 pad
図
The figure of pad of OSC1, OSC2 and OSC3
XT2 pad
C3
P124 pad
P123 pad
XT1 pad
XT2
GND
P124
XT1
GND
P123
C4
OSC2
2. The figure of pad of OSC2
1. The figure of pad of OSC1
3. The figure of pad of OSC3
① マイコンの X1 端子(18pin)に接続
② CN2-19 (P121)に接続
③ マイコンの X2 端子(17pin)に接続
④ CN2-18 (P122)に接続
⑤ マイコンの XT1 端子(15pin)に接続
⑥ CN2-16 (P123)に接続
⑦ マイコンの XT2 端子(14pin)に接続
⑧ CN2-15 (P124)に接続
1. Connect to X1 pin (18pin) of the microcomputer.
2. Connect to CN2-19 (P121)
3. Connect to X2 pin (17pin) of the microcomputer.
4. Connect to CN2-18 (P122)
5. Connect to XT1 pin (15pin) of the microcomputer.
6. Connect to CN2-16 (P123)
7. Connect to XT2 pin (14pin) of the microcomputer.
8. Connect to CN2-15 (P124)
X2 pad X1 pad
OSC1
GND
X2
P122
P121
GND
X1
P122 pad
P121 pad
①
②
③
④
X2 pad X1 pad
OSC1
GND
X2
P122
P121
GND
X1
P122 pad
P121 pad
3
4
2
1
7
8
6
5
OSC3
S_X1 pad
C5
S_X2 pad
C6
OSC3
S_X1 pad
C5
S_X2 pad
C6
⑤
⑥
⑦
⑧
XT2 pad
C3
P124 pad
P123 pad
XT1 pad
XT2
GND
P124
XT1
GND
P123
C4
OSC2
