Silan

Semiconductors

SC84520

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0

2000.12.31

10

Hex Code

Command

SC84520 echo code

FF

Reset

FA.AA.00

FE

Resend

XX.(XX.XX)

F6

Set Default

FA

F5

Disable

FA

F4

Enable

FA

F3.XX

Set Sampling Rate

FA.FA

F2

Read Device Type

FA,00

F0

Set Remote Mode

FA

EE

Set Wrap Mode

FA

EC

Reset Wrap Mode

FA

EB

Read Data

FA.XX.XX.XX

EA

Set Stream Mode

FA

E9

Status Request

FA.XX.XX.XX

E8.XX

Set Resolution

FA,FA

E7

Set Auto-speed

FA

E6

Reset Auto-speed

FA

The following describes valid commands:

a. Reset (FF)

SC84520 operation:

a) Completion the reset.

b) Transmitted FA, AA, 00 to the system.

c) Set Default:

Sampling rate: 100 reports/s

Non-autospeed

Stream mode

2 dots/count

disable

b. Resend (FE)

a) Any time SC84520 receives an invalid data. It returns a Resend command to the system.

b) When SC84520 receives a Resend command, it retransmits its last packet of data. If the last packet was a

Resend command, it transmits the packet just prior to the Resend command.

c) In stream mode, if a Resend command is received by SC84520 immediately following a 3-byte data packet

transmission to the system.

c. Set Default (F6)

The command reinitializes all conditions to the power-on defaults.