IE-789468-NS-EM1 Renesas Electronics America, IE-789468-NS-EM1 Datasheet - Page 35

• Manufacturer Part Number: IE-789468-NS-EM1
• Description: BD EMULATOR 78K0S UPD789468
• Manufacturer: Renesas Electronics America

Specifications of IE-789468-NS-EM1

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.5.3 Subsystem clock settings
(1) When using clock that is already mounted on emulation board
(2) When using clock mounted by user
(1) When using clock (XTC1) that is already
(2) When using clock mounted by user
(3) When inputting pulse from target system
Table 3-5 shows the settings of the IE-789468-NS-EM1 when the subsystem clocks in (1) to (3) are used.
Caution
Remark
When the IE-789468-NS-EM1 is shipped, a 32.768 kHz crystal resonator (XTC1) and a parts board (X2) on which
pins 6 and 8 are shorted are already mounted on the IE-789468-NS-EM1. Short 2 and 3 of the jumper (JP1) on
the IE-789468-NS-EM1. No settings are required on the integrated debugger (ID78K0S-NS).
Perform the settings in (a) or (b) below according to the type of clock to be used. Short 2 and 3 of the jumper
(JP1) on the IE-789468-NS-EM1.
No settings are required on the integrated debugger (ID78K0S-NS).
(a) When using a ceramic resonator or crystal resonator
mounted on emulation board
•
<Steps>
Items to be prepared
• Ceramic resonator or crystal resonator
• Resistor Rx
• Capacitor CA
The factory settings of the IE-789468-NS-EM1 are those listed above under “when using clock that is
already mounted on emulation board”.
<1> Prepare the IE-789468-NS-EM1.
<2> Solder the target ceramic resonator or crystal resonator, resistor Rx, capacitor CA, and capacitor CB
Before setting JP1 to switch between the clock on the board and external clock, turn off the
power of the IE-78K0S-NS or IE-78K0S-NS-A.
(all with suitable oscillation frequencies) onto the parts board (X2).
Frequency of Subsystem Clock
Table 3-5. Subsystem Clock Settings
CHAPTER 3
User’s Manual U16482EJ1V0UM
32.768 kHz
Other than 32.768 kHz
INSTALLATION
• Capacitor CB
• Solder kit
6 and 8 shorted
Oscillator configured by user
Not used
X2 Socket
IE-789468-NS-EM1
2 and 3
shorted
1 and 2
shorted
JP1
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