參數(shù)資料
型號: ST7PDALIF2M6
廠商: 意法半導(dǎo)體
元件分類: ADC
英文描述: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI, DALI
中文描述: 8位單電壓閃存存儲器,數(shù)據(jù)EEPROM,模數(shù)轉(zhuǎn)換器,定時器,SPI和大理微控制器
文件頁數(shù): 70/141頁
文件大?。?/td> 2175K
代理商: ST7PDALIF2M6
ST7DALI
70/141
1
11.4 DALI COMMUNICATION MODULE
11.4.1 Introduction
The DALI Communication Module (DCM) is a seri-
al communication circuit designed for controllable
electronic ballasts. Ballasts are the devices used
to provide the required starting voltage and operat-
ing current for fluorescent, mercury, or other elec-
tric-discharge lamps. The DCM supports the DALI
(Digital Addressable Lighting Interface) communi-
cations standard (IEC standard).
11.4.2 Main Features
– 8-bit forward address register for addressing
up to 64 digital ballasts
– 1.2 kHz transmission rate ±10%
– 8-bit forward and backward data registers for
bi-directional communications
– Maskable interrupt
Figure 41. Dali Communication Module Block Diagram
Note
: The 4-bit preshift register is always active,
except when in Halt mode or if the DCME bit = 0.
16-bit Shift Register
1/16
1/N
8-bit DCMCLK
Register
8-bit DCMFA
Register
8-bit DCMFD
Register
8-bit DCMBD
Register
DALIOUT
DALIIN
Arbitration &
Error Detection
8
8
8
4-bit Pre-shift
Register
f
CPU
CK0
CK1
CK2
CK3
RTF
EF
ITF
ITE
FTS
RTS
RTA
DCME
0
0
0
0
f
CPU
DCMCSR
Register
DCMCR
Register
DCM Interrupt Request
Edge
Detector
f
DALI
4-bit sample
clock counter
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