Table of Contents
Advertisement
Serial Command Interface
2
I
C serial controls the configuration read-write on the engine, so as to control the engine`s operating modes.
2
I
C serial command presents the internal register in 8-bit. When the engine is in slave device mode, 0x24 is used as write-in address
while 0x25 as read-out address. The engine supports reading multiple registers at one time.
Read-out a Register
E.g.Read from register 0xFD, returned value 0x01.
1
2
↓
↓
Master
ADDR
Start
0x24
CM50
Read-out Adjacent Registers
E.g. Read from register 0xF0,0xF1,0xF2, returned value 0x01,0x05,0x76.
1
2
↓
↓
Master
ADDR
Start
0x24
CM50
Write-in a Register
E.g. Write to register0xFD with value 0x03.
1
↓
Master
Start
CM50
15
Chapter 6 Working with CM50
3
4
↓
REG
ACK
0xfd
↑
3
4
5
6
↓
↓
REG
ACK
ACK
Start
0xf0
↑
↑
2
3
↓
ADDR
ACK
0x24
↑
5
6
7
↓
↓
ADDR
ACK
Start
0x25
↑
7
8
9
↓
ADDR
ACK
0x01
ACK
0x25
↑
↑
4
5
↓
REG
ACK
0xfd
↑
8
9
ACK
0x01
NACK
↑
↑
10
11
12
13
↓
↓
0x05
ACK
0x76
↑
↑
6
7
↓
0x03
ACK
↑
10
11
↓
↓
Stop
14
15
↓
↓
NACK
Stop
8
↓
Stop
Advertisement
Table of Contents
