Chapter 6 Applied Instructions Additional remark: 1. If the value in S is less than 0, the instruction is not executed, SM0 is ON, and the error code in SR0 is 16#2003. 2. If S + n -1 exceeds the device range, the instruction is not executed, SM0 is ON, and the error code in SR0 is 16#2003. 3. If n is less than 2, or if n is larger than 512, the instruction is not executed, SM0 is ON, and the error code in SR0 is 16#200B. 4. The instruction SFWR can be used with the instruction SFRD to write and read the data. 6-247