參數(shù)資料
型號(hào)： IE-789835-NS-EM1
英文描述： IE-789835-NS-EM1 Emulation Board User＇s Manual | User＇s Manual[10/2002]
中文描述： IE瀏覽器- 789835 -納秒- EMI的仿真板用戶手冊(cè)|用戶手冊(cè)[10/2002]
文件頁(yè)數(shù)： 17/35頁(yè)
文件大?。?/td> 449K
代理商： IE-789835-NS-EM1
CHAPTER 3 INSTALLATION
3.2 Clock Settings
3.2.1 Overview of clock settings
The main system clock to be used during debugging can be selected from (1) to (4) below.
(1) Clock that is already mounted on emulation board
(2) Clock that is mounted by user
(3) Pulse input from target system
(4) On-chip Ring-OSC
If the target system includes a clock oscillator, select either
(1) Clock that is already mounted on emulation
board,
(2) Clock that is mounted by user
,
or
(4)
On-chip Ring-OSC
. For the clock oscillator, a resonator is
connected to the target device and the target device’s internal oscillator is used. An example of the external circuit is
shown in part (a) of Figure 3-2. During emulation, the oscillator that is mounted on the target system is not used.
Instead, the clock that is mounted on the emulation board installed in the IE-78K0-NS or IE-78K0-NS-A is used.
If the target system includes an external clock, select either
(1) Clock that is already mounted on emulation
board
,
(2) Clock that is mounted by user
,
(3) Pulse input from target system
,
or
(4)
On-chip Ring-OSC
.
For the external clock, a clock signal is supplied from outside of the target device and the target device’s internal
oscillator is not used. An example of the external circuit is shown in part (b) of Figure 3-2.
Caution
The IE system will hang up if the main system clock is not supplied normally. Moreover, be
sure to input a rectangular wave as the pulse from the target system. There is no need to
supply a clock to the X2 pin. Also, even if a crystal resonator is connected directly to X1 (for
the main system clock), the target device will not operate.
Figure 3-2. External Circuits Used as System Clock Oscillator
(a) Clock oscillator
Target device
User’s Manual U16810EJ1V0UM
17
(b) External clock
X1
Crystal or ceramic
resonator
V
SS
External
clock
X2
X1
X2
Target device
相關(guān)PDF資料
PDF描述
IE-789860-NS-EM1 IE-789860-NS-EM1 User＇s Manual | User＇s Manual[07/2003]
IE-789871-NS-EM1 IE-789871-NS-EM1 User＇s Manual | User＇s Manual[03/2003]
IE-78K0K1-ET IE-78K0K1-ET User＇s Manual (Preliminary) | User＇s Manual[02/2003]
IE-78K0-NS IE-78K0-NS User＇s Manual | User＇s Manual[05/2003]
IE-78K0-NS-P01 IE-78K0-NS-P01 User＇s Manual | User＇s Manual[06/2002]
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IE-789842-NS-EM1 制造商:Renesas Electronics Corporation 功能描述:BD EMULATOR 78K0S UPD789842
IE-789850-NS-EM1 制造商:Renesas Electronics Corporation 功能描述:BD EMULATOR 78K0S UPD789850
IE-789852-NS-EM1 制造商:Renesas Electronics Corporation 功能描述:BD EMULATOR 78K0S UPD789852
IE-789860-NS-EM1 制造商:Renesas Electronics Corporation 功能描述:BD EMULATOR 78K0S UPD789860
IE-78K0-NS 制造商:Renesas Electronics Corporation 功能描述:BOARD EMULATOR 78K0 ICE
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