CH Tech EM405D Manuel d'utilisateur télécharger pdf (Page 30)

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)

MID  Manufacturer ID (always FC1

- 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 FDB

- 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

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 47 48

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CH Tech EM405D Manuel d'utilisateur Page 30