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5.2.14 JTAG_CLOCK: JCK

Description:

Displays or sets the JTAG clock (TCK) frequency.

Format:

Displays the JTAG clock (TCK) frequency.

jck

Sets the JTAG clock (TCK) frequency.

jck <jck_opt>

Table 5.15 JTAG_CLOCK Command Parameter

Parameter Type Description

<jck_opt> Numerical value Sets one of the JTAG clock (TCK) frequency.

(PCMCIA used: 3.75 MHz, 7.5 MHz, or 15 MHz)

3: 3.75 MHz

7: 7.5 MHz

15: 15 MHz

(PCI used: 4.125 MHz, 8.25 MHz, or 16.5 MHz)

4: 4.125 MHz

8: 8.25 MHz

16: 16.5 MHz

Note: The range of frequencies that the H-UDI operates at differs according to the devices used.

For details, refer to section 6.5.4, Notes on Using the JTAG Clock (TCK) and AUD Clock

(AUDCK).

Examples:

(when PCMCIA used):

To set the JTAG clock (TCK) frequency:

>jck 15 (RET)

JTAG Clock 15MHz

To display the JTAG clock (TCK) frequency:

>jck (RET)

1 2 ... 185 186 187 188 189 190 191 192 193 194 195 ... 249 250

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