HC4GX15 Datasheet, PDF (523/668 Pages) Altera Corporation – HardCopy IV Device Handbook

Chapter 2: HardCopy IV GX Dynamic Reconfiguration
2–65
Description of Transceiver Channel Reconfiguration Modes
ALTGX_RECONFIG MegaWizard Plug-In Manager Setup
Enable the following settings in the ALTGX_RECONFIG MegaWizard Plug-In
Manager for Data Rate Division in TX mode:
1. Set the What is the number of channels controlled by the reconfig controller?
option in the Reconfiguration settings screen. For more information, refer to
“Total Number of Channels Controlled by the ALTGX_RECONFIG Instance” on
page 2–35.
2. Specify the logical channel address of the transmitter channel at the
logical_channel_address input port.
3. Select the Data rate division in TX option in the Reconfiguration settings screen,
as shown in Figure 2–29.
Figure 2–29. The Data Rate Division in TX Option in the ALTGX_RECONFIG MegaWizard Plug-In Manager
4. The rate_switch_ctrl[1:0] input port is available when you enable the Data
rate division in TX option. The value you set at the rate_switch_ctrl[1:0]
signal determines the TX local divider settings, as shown in Table 2–24.
Table 2–24. TX Local Divider Settings Based on the rate_switch_ctrl[1:0] Port
rate_switch_ctrl[1:0]
2’b00
2’b01
2’b10
2’b11
Local Divider Settings
Divide by 1
Divide by 2
Divide by 4
Not supported
© June 2009 Altera Corporation
HardCopy IV Device Handbook, Volume 3