Renesas RL78/L1C User Manual page 2

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