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参数资料
| 型号： | MSL2161DQ-R |
| 厂商： | Atmel |
| 文件页数： | 26/28页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR 16 CHAN PWM 64TQFN |
| 产品培训模块： | Industrial Panel Backlighting Driver ICs LED Lighting Drivers LED Driver Basics |
| 标准包装： | 2,500 |
| 系列： | Adaptive SourcePower™ |
| 拓扑： | 交直流离线开关，PWM |
| 输出数： | 16 |
| 内部驱动器： | 无 |
| 类型 - 主要： | 背光，通用 |
| 类型 - 次要： | RGB，白色 LED |
| 频率： | 19.4MHz ~ 20.6MHz |
| 电源电压： | 10.8 V ~ 13.2 V |
| 输出电压： | 8.3V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-VFQFN 裸露焊盘 |
| 供应商设备封装： | 64-TQFN（9x9） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 105°C |
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Table 5. Atmel LED Drivers-MSL2160/1 Register Power-up Defaults
REGISTER NAME
AND ADDRESS
POWER-UP CONDITION
REGISTERS INITIALIZED
FROM EEPROM
D7
D6
D5
REGISTER DATA
D4 D3 D2 D1
D0
HEX
External signal at PHI selected for input to PWM engine
0x27
PHICTRL
PWM engine is synchronized to the falling edge of PHI
PHI maximum count fault detect is disabled
0
0
0
0
0
0
0
0
00
Although disabled, PHI max count monitors f pPHI
0x28
0x29
0x2A
0x2B
0x2C
PHICNTR
PHIMUL
PHIMAX
Although disabled, internal PHI frequency
f PGEN = 20MHz / (8 * (10416 + 1)) = 240Hz
PHI multiplier = 1 (register setting + 1)
Although disabled, PHI maximum count = 4148
1
0
0
0
0
0
0
0
0
0
1
1
0
1
0
1
0
0
1
1
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
B0
28
00
34
10
PWM operation enabled
Individual LED string drive pulse widths internally determined
0x2D
PWMCTRL0
PWM input does not gate the output of the PWM engine
String on times allowed to extend beyond end of PWM frame
1
0
0
1
1
0
0
1
99
String on times allowed to extend into frame zero
Alternate timing not used
Global intensity (GINT) disabled
Although disabled, (GINT + 1) is provided to the PWM engine
0x2E
PWMCTRL1
String drive phasing enabled
Delayed string turn on beginning after PWM frame allowed
0
0
0
0
0
1
1
1
07
Delayed turn on occurring in frame zero allowed
Alternate timing not selected by PWM input state
0x2F
GINT
Although disabled, global intensity set to (127 + 1) / 256 = 50%
(1 added in numerator because bit D7 of 0x2D = 1)
0
1
1
1
1
1
1
1
7F
Although disabled, alternate global intensity set to
0x30
ALTGINT
(95 + 1) / 256 = 37.5%
0
1
0
1
1
1
1
1
5F
(1 added in numerator because bit D7 of 0x2D = 1)
0x31
0x40
0x41
ISTR
STR0SET
Strings current scaled to 50% of R Sn setting
All strings set to zero phase delay
Strings assigned as follows:
0
0
0
1
0
1
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
7F
00
40
↓
↓
FBO1: All strings
↓
0x5E
0x5F
0x60
0x61
STR15SET
PWM0
FBO2: None
FBO3: None
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
00
40
00
02
↓
↓
All strings have PWM t ON = 512 GSC cycles
↓
0x7E
0x7F
PWM15
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
00
02
26
Atmel LED Drivers-MSL2160/MSL2161
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