Access from the user program
KL2521
41
Version: 2.1
• Bits 0.5 to 0.0 specify the register number 31 with 01 1111
bin
.
• The output data word (byte 1 and byte 2) contains 0x0000 for reactivating write protection.
Input Data (answer of the bus terminal)
Byte 0: Status byte
Byte 1: DataIN1, high byte
Byte 2: DataIN1, low byte
0x9F (1001 1111
bin
)
0xXX
0xXX
Explanation:
• The terminal returns a value as a receipt in the status byte that differs only in bit 0.6 from the value of
the control byte.
• The input data word (byte 1 and byte 2) is of no importance after the write access. Any values still
displayed are invalid!
Summary of Contents for KL2521 Series
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