Register overview

The following registers are used to parameterize the KL3444, KL3448, KL3454 and KL3458. Each signal channel of the analog terminal has one register that can be read or written to with the aid of control, status and data bytes via register communication.

Register no.	Comment		Default value		R/W	Memory
R0	Raw value of the A/D converter (X_R)		-	-	R	RAM
R1	reserved		-		-	-
...	...		...	...	...	...
R5	reserved		-	-	-	-
R6	Diagnostic register		-	-	R	RAM
R7	Command register		0x0000	0_dec	R/W	RAM
R8	Terminal type	KL3444:	0x0D74	3444_dec	R	ROM
		KL3448:	0x0D78	3448_dec
		KL3454:	0x0D7E	3454_dec
		KL3458:	0x0D82	3458_dec
R9	Firmware version		e.g. 0x3141	e.g. 1A_ASCII	R	ROM
R10	Data length (multiplex shift register)		0x0230	560_dec	R	ROM
R11	Signal channels		0x0418	1048_dec	R	ROM
R12	Minimum data length		0x0098	152_dec	R	ROM
R13	Data structure (data type register)		0x0004	4_dec	R	ROM
R14	reserved		-	-	-	-
R15	Alignment register		e.g. 0x7F80	e.g. 32640_dec	R/W	RAM
R16	Hardware version number		e.g. 0x0000	e.g. 0_dec	R/W	SEEPROM
R17	Hardware compensation: Offset (B_a)		0x0000	0_dec	R/W	SEEPROM
R18	Hardware compensation: Gain (A_a)		approx. 0x1350	approx. 4944_dec	R/W	SEEPROM
R19	Manufacturer scaling: Offset (B_h)		0x0000	0_dec	R/W	SEEPROM
R20	Manufacturer scaling: Gain (A_h)		typ. 0x2000	typ. 8192_dec	R/W	SEEPROM
R21	Overrange limit		0x0FFF	4095_dec	R/W	SEEPROM
R22	Under range limit		0x0000	0_dec	R/W	SEEPROM
R23	reserved		-	-	-	-
...	...		...	...	...	...
R30	reserved		-	-	-	-
R31	Code word register		0x0000	0_dec	R/W	RAM
R32	Feature register		0x0906	2310_dec	R/W	SEEPROM
R33	User scaling: Offset (B_w) *		0x0000	0_dec	R/W	SEEPROM
R34	User scaling: Gain (A_w)		0x0400	1024_dec	R/W	SEEPROM
R35	Threshold 1 in (Y₂)		0x0000	0_dec	R/W	SEEPROM
R36	Threshold 2 in (Y₂)		0x0000	0_dec	R/W	SEEPROM
R37	Cut-off frequency of the digital IIR filter		0x0100	256_dec	R/W	SEEPROM
R38	reserved		-	-	-	-
...	reserved		...	...	...	...
R63	reserved		-	-	-	-

*) Not supported by KL3444, KL3448, KL3454 and KL3458.