Texas Instruments TPS60250-185 Evaluation Board TPS60250EVM-185 TPS60250EVM-185 데이터 시트
제품 코드
TPS60250EVM-185
SLVS769C – APRIL 2007 – REVISED APRIL 2008
............................................................................................................................................................
www.ti.com
Enable Control Register (Address: 0x00h)
ENABLE
B7
B6
B5
B4
B3
B2
B1
B0
BIT NAME
X
ENold
ENmain
ENsub2
ENsub1
ENaux
DM5H
DM5L
Bit 6
ENold (Enable Open Lamp Detection)
1: Open Lamp Detection Enabled
0: Open Lamp Detection Disabled
1: Open Lamp Detection Enabled
0: Open Lamp Detection Disabled
Bit 5
ENmain
1: Enable Main Display LEDs (DM1-DM4)
0: Disable Main Display LEDs
1: Enable Main Display LEDs (DM1-DM4)
0: Disable Main Display LEDs
Bit 4
ENsub2
1: Enable Sub Display LED 2 (DS2)
0: Disable Sub Display LED 2
1: Enable Sub Display LED 2 (DS2)
0: Disable Sub Display LED 2
Bit 3
ENsub1
1: Enable Sub Display LED 1 (DS1)
0: Disable Sub Display LED 1
1: Enable Sub Display LED 1 (DS1)
0: Disable Sub Display LED 1
Bit 2
ENaux
1: Enable Aux Display LED (DM5)
0: Disable Aux Display LED
1: Enable Aux Display LED (DM5)
0: Disable Aux Display LED
Bits 1,0
DM5H, DM5L
DM5H
DM5L
DM5 Mode and Shutdown Mode
(B1)
(B0)
0
0
Shutdown mode. All outputs disabled but keep register values
0
1
Enable the IC and Group DM5 as main display with maximum current of 25 mA
1
0
Enable the IC and set DM5 as Aux output with maximum current of 80 mA.
Dimming steps determined by Iaux0 and Iaux1 bits.
Dimming steps determined by Iaux0 and Iaux1 bits.
1
1
Shutdown mode. All outputs disabled but keep register values
Sub Display Current Control Register (Address: 0x01h)
SUB DISP
B7
B6
B5
B4
B3
B2
B1
B0
CURRENT
BIT NAME
X
X
Isub5
Isub4
Isub3
Isub2
Isub1
Isub0
Bits 5 - 0
Isub5 - Isub0 (total 64 steps)
6-Bit command (64 steps) to these bits sets the current for DS1 and DS2.
For LED currents between 0 and 1.5 mA, one step = 0.1 mA increment
For LED currents between 1.5 and 25.5 mA, one step = 0.5 mA increment
6-Bit command (64 steps) to these bits sets the current for DS1 and DS2.
For LED currents between 0 and 1.5 mA, one step = 0.1 mA increment
For LED currents between 1.5 and 25.5 mA, one step = 0.5 mA increment
Main Display Current Control Register (Address: 0x02h)
MAIN DISP
B7
B6
B5
B4
B3
B2
B1
B0
CURRENT
BIT NAME
X
X
Imain5
Imain4
Imain3
Imain2
Imain1
Imain0
Bits 5 - 0
Imain5 - Imain0 (total 64 steps)
6-Bit command (64 steps) to these bits sets the current for DM1-DM4.
For LED currents between 0 and 1.5 mA, one step = 0.1mA increment
For LED currents between 1.5 and 25.5 mA, one step = 0.5 mA increment
6-Bit command (64 steps) to these bits sets the current for DM1-DM4.
For LED currents between 0 and 1.5 mA, one step = 0.1mA increment
For LED currents between 1.5 and 25.5 mA, one step = 0.5 mA increment
14
Copyright © 2007–2008, Texas Instruments Incorporated
Product Folder Link(s):