16.20.41 Clock Configuration Register

Name: HSMC_CLKCFG
Offset: 0x7AC
Reset: 0x00000000
Property: Read/Write

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
       CLKEDGECLKEN 
Access R/WR/W 
Reset 00 
Bit 15141312111098 
        CLKDIV[8] 
Access R/W 
Reset 0 
Bit 76543210 
 CLKDIV[7:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 

Bit 17 – CLKEDGE SMC Clock Edge

ValueDescription
0 The start of the external bus access is aligned with the rising edge of the SMC clock output.
1 The start of the external bus access is aligned with the falling edge of the SMC clock output.

Bit 16 – CLKEN SMC Clock Enable

ValueDescription
0 The SMC clock is disabled.
1 The SMC clock is enabled.

Bits 8:0 – CLKDIV[8:0] SMC Clock Divider

The SMC clock output frequency is equal to periph_clk/(CLKDIV + 1). If CLKDIV = 0, the SMC clock output frequency is equal to periph_clk/2.