HD6417729 HITACHI [Hitachi Semiconductor], HD6417729 Datasheet - Page 192

• Manufacturer Part Number: HD6417729
• Description: Hitachi Microcomputer Development Environment System
• Manufacturer: HITACHI [Hitachi Semiconductor]

5.2.14
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
<jck_opt>
Note: The range of frequencies that the Hitachi-UDI operates at differs according to the devices
Rev. 2.0, 01/01, page 168 of 216
used. For details, refer to section 6.5.4, Notes on Using the JTAG Clock (TCK) and AUD
Clock (AUDCK).
JTAG_CLOCK: JCK
Type
Numerical value
Description
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