Miscellaneous registers (Misc)
RM0082
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Doc ID 018672 Rev 1
12.4.12 RAS_CLK_ENB
register
The RAS_CLK_ENB is an R/W register which controls the internal programmable logic
clock enable functionality. The register bit assignments are given in the next table.
[07]
i2c_clkenb
1’h0
1’b0: Disable I
2
C clock.
1’b1: Enable I
2
C clock.
[06]
RFU
-
Reserved for future use (Write don’t care - Read return zeros).
[05]
ssp_clkenb
1’h0
1’b0: Disable SPI clock.
1’b1: Enable SPI clock.
[04]
RFU
-
Reserved for future use (Write don’t care - Read return zeros).
[03]
uart_clkenb
1’h1
1’b0: Disable UART0 clock.
1’b1: Enable UART0 clock.
[02]
RFU
Reserved for future use
[01]
arm_clkenb
1’h1
1’b0: Disable ARM subsystem clock.
1’b1: Enable ARM subsystem clock.
Note: Command allowed when arm_enb bit is active high.
[00]
arm_enb
1’h0
ARM clock enable; functionality asserted setting ‘0’ the
PERIPH1_CLK_ENB[1] after a previous write with
PERIPH1_CLK_ENB[1,0]=01:
1’b0: Disable ARM clock gating functionality.
1’b1: Enable ARM clock gating functionality.
Table 166.
PERIP1_CLK_ENB register bit assignments (continued)
PERIP1_CLK_ENB Register
0x02C
Bit
Name
Reset
Value
Description
Table 167.
RAS_CLK_ENB register bit assignments
RAS_CLK_ENB Register
0x034
Bit
Name
Reset
Value
Description
[31:16]
reserved
-
Reserved for future use (Write don’t care - Read return
zeros).
[15]
pl_gpck4_clkenb
1’h0
1’b0: Disable PL_CLK(4) external clock signal.
1’b1: Enable PL_CLK(4) external clock signal.
[14]
pl_gpck3_clkenb
1’h0
1’b0: Disable PL_CLK(3) external clock signal.
1’b1: Enable PL_CLK(3) external clock signal.
[13]
pl_gpck2_clkenb
1’h0
1’b0: Disable PL_CLK(2) external clock signal.
1’b1: Enable PL_CLK(2) external clock signal.
[12]
pl_gpck1_clkenb
1’h0
1’b0: Disable PL_CLK(1) external clock signal.
1’b1: Enable PL_CLK(1) external clock signal.