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FUNCTIONAL DEVICE OPERATION
FUNCTIONAL INTERNAL BLOCK DESCRIPTION
CLK
LS
LS
CLK
SYNC_PWM
PLLC
SYNC_IN
SYNC_OUT
MASTER
LS
CLK
SYNC_PWM
PLLC
SYNC_IN
SYNC_OUT
SLAVE 1
LS
CLK
SYNC_PWM
PLLC
SYNC_IN
SYNC_OUT
SLAVE N
Figure 18. PWM, Boost Clock and Current Synchronization
SCAN
When the SCAN pin is set high, the 34848 enters scan
mode. In this mode, the LED current is set as determined in
the IS register. The number of banks illuminated at any one
PWM FREQUENCY
For master mode the PWM frequency is set by the internal
register while for slave mode it is synchronized to
SYNC_PWM.
time is set using the configuration register. (See Figure 19 )
When the scan pin is set low, the 34848 device goes into
local dimming mode.
34848
Analog Integrated Circuit Device Data
Freescale Semiconductor
23
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相关代理商/技术参数
MC34849 制造商:SPC Multicomp 功能描述:HEADER VERTICAL 16WAY 制造商:SPC Multicomp 功能描述:WIRE-BOARD CONN, RECEPTACLE, 16POS, 3MM; Series:2261(5561); Pitch Spacing:3mm; Contact Termination:Through Hole Vertical; No. of Contacts:16; No. of Rows:2; Connector Mounting:PCB; Gender:Receptacle; Contact Material:Copper Alloy ;RoHS Compliant: Yes
MC34851 制造商:SPC Multicomp 功能描述:HEADER VERTICAL 18WAY 制造商:SPC Multicomp 功能描述:HEADER, VERTICAL, 18WAY
MC34853 制造商:SPC Multicomp 功能描述:HEADER R/ANGLE 16WAY 制造商:SPC Multicomp 功能描述:HEADER, R/ANGLE, 16WAY 制造商:SPC Multicomp 功能描述:WIRE-BOARD CONN, RECEPTACLE, 16POS, 3MM; Series:2261(5561); Pitch Spacing:3mm; Contact Termination:Through Hole Right Angle; No. of Contacts:16; No. of Rows:2; Connector Mounting:PCB; Gender:Receptacle; Contact Material:Copper Alloy ;RoHS Compliant: Yes
MC34855 制造商:SPC Multicomp 功能描述:HEADER R/ANGLE 18WAY 制造商:SPC Multicomp 功能描述:HEADER, R/ANGLE, 18WAY
MC34857 制造商:SPC Multicomp 功能描述:HEADER VERTICAL SMT 2WAY 制造商:SPC Multicomp 功能描述:HEADER, VERTICAL, SMT, 2WAY 制造商:SPC Multicomp 功能描述:WIRE-BOARD CONN, RECEPTACLE, 2POS, 3MM; Series:2261(5561)R; Pitch Spacing:3mm; Contact Termination:Surface Mount Vertical; No. of Contacts:2; No. of Rows:2; Connector Mounting:PCB; Gender:Receptacle; Contact Material:Copper Alloy ;RoHS Compliant: Yes
MC34859 制造商:SPC Multicomp 功能描述:HEADER VERTICAL SMT 4WAY 制造商:SPC Multicomp 功能描述:HEADER, VERTICAL, SMT, 4WAY 制造商:SPC Multicomp 功能描述:WIRE-BOARD CONN, RECEPTACLE, 4POS, 3MM; Series:2261(5561)R; Pitch Spacing:3mm; Contact Termination:Surface Mount Vertical; No. of Contacts:4; No. of Rows:2; Connector Mounting:PCB; Gender:Receptacle; Contact Material:Copper Alloy ;RoHS Compliant: Yes
MC3486 制造商:Panasonic Industrial Company 功能描述:I.C. (I)
MC34861 制造商:SPC Multicomp 功能描述:HEADER VERTICAL SMT 6WAY 制造商:SPC Multicomp 功能描述:HEADER, VERTICAL, SMT, 6WAY 制造商:SPC Multicomp 功能描述:WIRE-BOARD CONN, RECEPTACLE, 6POS, 3MM; Series:2261(5561)S; Pitch Spacing:3mm; Contact Termination:Surface Mount Vertical; No. of Contacts:6; No. of Rows:2; Connector Mounting:PCB; Gender:Receptacle; Contact Material:Copper Alloy ;RoHS Compliant: Yes