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C11 数据表(PDF) 51 Page - ams-OSRAM AG |
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C11 数据表(HTML) 51 Page - ams-OSRAM AG |
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51 / 72 page ![]() AS3688 austriami crosyst ems Datasheet, Confidential www.austriamicrosystems.com (ptr,tje) Revision 1.1.1 / 20060707 49 - 70 GPIO01_control Addr: 1Eh This register controls GPIO0 and GPIO1 pin functions. Bit Bit Name Default Access Description 1:0 gpio0_mode 00 R/W Defines the direction for pin GPIO0. 00 = Input only or used for PWM 01 = Output (push and pull). 10 = Output (open drain, only push; only NMOS is active). 11= Output (open drain, only pull; only PMOS is active). 3:2 gpio0_pulls 01 R/W Adds the following pullup/pulldown to pin GPIO0; this is independent of setting of bits gpio0_mode. 00 = None 01 = Pulldown 10 = Pullup 11= ADC input (gpio0_mode = XX); recommended for analog signals. 5:4 gpio1_mode 00 R/W Defines the direction for pin GPIO1. 00 = Input only; can be used for TXMask 01 = Output (push and pull). 10 = Output (open drain, only push; only NMOS is active). 11= Output (open drain, only pull; only PMOS is active). 7:6 gpio1_pulls 01 R/W Adds the following pullup/pulldown to pin GPIO1; this is independent of setting of bits gpio1_mode. 00 = None 01 = Pulldown 10 = Pullup 11= ADC input (gpio1_mode = XX); recommended for analog signals. GPIO23 control Addr: 1Fh This register controls pins GPIO2 pin functions. Bit Bit Name Default Access Description. 1:0 gpio2_mode 00 R/W Defines the direction for pin GPIO2. 00 = Input only; can be used for PWM or preview mode 01 = Output (push and pull). 10 = Output (open drain, only push; only NMOS is active). 11= Output (open drain, only pull; only PMOS is active). 3:2 gpio2_pulls 11 R/W Adds the following pullup/pulldown to pin GPIO2; this is independent of setting of bits gpio2_mode. 00 = None 01 = Pulldown 10 = Pullup 11= ADC input (gpio2_mode = XX); recommended for analog signals. 7:4 N/A |
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