CH Tech EM405D Reset Error & Manufacturer Identification, Device Identification, Hardware Version

Reg. 00					Reset Error & Manufacturer Identification
Byte					1									0
Bit	15	14	13	12		11	10	9	8	7	6		5	4	3	2	1	0
Write	RERR	-	-	-							Read Only
Read	RERR	0	0	0								MID

RERR  Reset Error (writing a 1 clears the error condition) 1

MID  Manufacturer ID (always FC116 - C&H)

Notes:

1.This bit is set if a command error occurs. If an error exists, only reads or writes to this register are allowed. The RERR bit must be cleared by writing a 1 to this bit before normal command operation will resume. See 4.3.1 for further details.

Reg. 02								Device Identification
Byte					3									2
Bit	15	14	13	12		11	10	9	8	7	6	5	4		3	2	1	0
Write	-	-	-	-							Read Only
Read	ETH	0	0	0							DID

ETH  Ethernet Type (0 = wired, 1 = wireless (Wi-Fi))

DID  Device ID (always FDB16 - EM405D)

Reg. 04								Hardware Version
Byte					5									4
Bit	15	14	13	12		11	10	9	8	7	6	5	4		3	2	1	0
Write				Read Only									Read Only
Read				HW Major									HW Minor

HW Major  Major Version Level of EM405D Hardware

HW Minor  Minor Version Level of EM405D Hardware

Reg. 06								Firmware Version
Byte					7									6
Bit	15	14	13	12		11	10	9	8	7	6	5	4		3	2	1	0
Write				Read Only									Read Only
Read				FW Major									FW Minor

FW Major  Major Version Level of EM405D Firmware

FW Minor  Minor Version Level of EM405D Firmware

Figure 7. EM405D Registers

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