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LP87702 датащи(PDF) 55 Page - Texas Instruments

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номер детали LP87702
подробное описание детали  LP87702 Dual Buck Converter and 5-V Boost With Diagnostic Functions
PDF  98 Pages
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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LP87702 датащи(HTML) 55 Page - Texas Instruments

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Table 7-27. GPO_CONTROL_2 Register Field Descriptions (continued)
Bit
Field
Type
Reset
Description
2-1
GPO2_EN_PIN_CTRL
R/W
1h
Control for GPO2 output:
0x0 – only GPO2_OUT bit controls GPO2
0x1 – GPO2_OUT bit AND EN1 pin control GPO2
0x2 – GPO2_OUT bit AND EN2 pin control GPO2
0x3 – GPO2_OUT bit AND EN3 pin control GPO2
(Default from OTP memory)
0
GPO2_OUT
R/W
0h
Control for GPO2 signal (when configured to GPO2):
0 – Logic low level
1 – Logic high level
(Default from OTP memory)
7.6.1.1.18 CONFIG Register (Offset = 11h) [reset = 3Ch]
CONFIG is shown in Figure 7-36 and described in Table 7-28.
Return to Table 7-9.
Figure 7-36. CONFIG Register
7
6
5
4
3
2
1
0
STARTUP_DEL
AY_SEL
SHUTDOWN_D
ELAY_SEL
CLKIN_PD
EN3_PD
EN2_PD
EN1_PD
TDIE_WARN_L
EVEL
EN_SPREAD_
SPEC
R/W-0h
R/W-0h
R/W-1h
R/W-1h
R/W-1h
R/W-1h
R/W-0h
R/W-0h
Table 7-28. CONFIG Register Field Descriptions
Bit
Field
Type
Reset
Description
7
STARTUP_DELAY_SEL
R/W
0h
Startup delays from control signal:
0 – 0 ms – 7.5 ms with 0.5ms steps
1 – 0ms – 15ms with 1ms steps
(Default from OTP memory)
6
SHUTDOWN_DELAY_SE
L
R/W
0h
Shutdown delays from from signal:
0 – 0ms – 7.5ms with 0.5ms steps
1 – 0ms – 15ms with 1ms steps
(Default from OTP memory)
5
CLKIN_PD
R/W
1h
Selects the pull down resistor on the CLKIN input pin.
0 – Pull-down resistor is disabled.
1 – Pull-down resistor is enabled.
(Default from OTP memory)
4
EN3_PD
R/W
1h
Selects the pull down resistor on the EN3 pin:
0 – Pull-down resistor is disabled
1 – Pull-down resistor is enabled
(Default from OTP memory)
3
EN2_PD
R/W
1h
Selects the pull down resistor on the EN2 pin:
0 – Pull-down resistor is disabled
1 – Pull-down resistor is enabled
(Default from OTP memory)
2
EN1_PD
R/W
1h
Selects the pull down resistor on the EN1 pin:
0 – Pull-down resistor is disabled
1 – Pull-down resistor is enabled
(Default from OTP memory)
1
TDIE_WARN_LEVEL
R/W
0h
Thermal warning threshold level.
0 – 125°C
1 – 140°C.
(Default from OTP memory)
0
EN_SPREAD_SPEC
R/W
0h
Enable spread spectrum feature for Buck and Boost converters.
0 – Disabled
1 – Enabled
(Default from OTP memory)
www.ti.com
LP87702
SNVSBU3 – MARCH 2021
Copyright © 2021 Texas Instruments Incorporated
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Product Folder Links: LP87702



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