24.1 Functional Block Diagram Description

This section provides the detailed description of the FIC_2 (APB configuration bus) subsystem.

Figure 24-1. APB Configuration Interface and Subsystems Connectivity with MSS Master

 

Table 24-1. MDDR APB Slave Configuration Interface Port List
Port Name Direction Polarity Description
MDDR_APB_S_PSEL In High Indicates APB slave select
MDDR_APB_S_PENABLE In High Indicates APB enable
MDDR_APB_S_PWRITE In High APB write-control signal. Indicates read when Low and write when High.
MDDR_APB_S_PADDR [10:2] In Indicates APB address. Addresses are word-aligned.
MDDR_APB_S_PWDATA [15:0] In Indicates APB write data
MDDR_APB_S_PRDATA [15:0] Out Indicates APB read data
MDDR_APB_S_PREADY Out Indicates APB PREADY signal and used to extend an APB transfer.
MDDR_APB_S_PSLVERR Out High Indicates a transfer failure
MDDR_APB_S_PCLK In Indicates APB clock
MDDR_APB_S_PRESET_N In Low Indicates APB active-low reset

 

Table 24-2. SERDERIF APB Slave Configuration Interface Port List
Port Name Direction Polarity Description
APB_S_PSEL In High Indicates APB slave select
APB_S_PENABLE In High Indicates APB enable
APB_S_PWRITE In High Indicates APB write-control signal. Indicates read when Low and write when High.
APB_S_PADDR [13:2] In Indicates APB address. Addresses are word-aligned.
APB_S_PWDATA [31:0] In Indicates APB write data
APB_S_PRDATA [31:0] Out Indicates APB read data
APB_S_PREADY Out Indicates APB PREADY signal and used to extend an APB transfer.
APB_S_PSLVERR Out High Indicates a transfer failure
APB_S_PCLK In Indicates APB clock
APB_S_PRESET_N In Low Indicates APB active-low reset
Table 24-3. MSS APB Master Configuration Interface Port List
Port Name Direction Polarity Description
FIC_2_APB_M_PSEL Out High Indicates APB slave select
FIC_2_APB_M_PENABLE Out High Indicates APB enable
FIC_2_APB_M_PWRITE Out High APB write-control signal. Indicates read when Low and write when High.
FIC_2_APB_M_PADDR [15:2] Out Indicates APB address. Addresses are word-aligned.
FIC_2_APB_M_PWDATA [31:0] Out Indicates APB write data
FIC_2_APB_M_PRDATA [31:0] In Indicates APB read data
FIC_2_APB_M_PREADY In Indicates APB PREADY signal and used to extend an APB transfer.
FIC_2_APB_M_PSLVERR In High Indicates a transfer failure
FIC_2_APB_M_PCLK In Indicates APB clock
FIC_2_APB_M_PRESET_N In Low Indicates APB active-low reset