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TUSB2136 数据表(PDF) 4 Page - Texas Instruments |
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TUSB2136 数据表(HTML) 4 Page - Texas Instruments |
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4 / 50 page ![]() iv 2.6.2 USBSTA: USB Status Register 2–14 . . . . . . . . . . . . . . . . . . . . . . . 2.6.3 USBMSK: USB Interrupt Mask Register 2–15 . . . . . . . . . . . . . . . 2.6.4 USBCTL: USB Control Register 2–16 . . . . . . . . . . . . . . . . . . . . . . 2.6.5 HUBCNFG: HUB-Configuration Register 2–17 . . . . . . . . . . . . . . . 2.6.6 HUBPOTG: HUB Power-On to Power-Good Descriptor Register 2–17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.6.7 HUBCURT: HUB Current Descriptor Register 2–17 . . . . . . . . . . . 2.6.8 HUBPIDL: HUB-PID Register (Low-Byte) 2–18 . . . . . . . . . . . . . . 2.6.9 HUBPIDH: HUB-PID Register (High-Byte) 2–18 . . . . . . . . . . . . . 2.6.10 HUBVIDL: HUB-VID Register (Low-Byte) 2–18 . . . . . . . . . . . . . . 2.6.11 HUBVIDH: HUB-VID Register (High-Byte) 2–18 . . . . . . . . . . . . . 2.6.12 VIDSTA: VID/PID Status Register 2–18 . . . . . . . . . . . . . . . . . . . . . 2.7 Function Reset and Power-Up Reset Interconnect 2–19 . . . . . . . . . . . . . . . 2.8 Pullup Resistor Connect/Disconnect 2–19 . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.9 8052 Interrupt and Status Registers 2–20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.9.1 8052 Standard Interrupt Enable Register 2–21 . . . . . . . . . . . . . . . 2.9.2 Additional Interrupt Sources 2–21 . . . . . . . . . . . . . . . . . . . . . . . . . . 2.9.3 VECINT: Vector Interrupt Register 2–22 . . . . . . . . . . . . . . . . . . . . . 2.9.4 Logical Interrupt Connection Diagram (INT0)2–23 . . . . . . . . . . . 2.9.5 P2[7:0] Interrupt (INT1)2–23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.10 I2C Registers 2–24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.10.1 I2CSTA: I2C Status and Control Register 2–24 . . . . . . . . . . . . . . 2.10.2 I2CADR: I2C Address Register 2–25 . . . . . . . . . . . . . . . . . . . . . . . 2.10.3 I2CDAI: I2C Data-Input Register 2–25 . . . . . . . . . . . . . . . . . . . . . . 2.10.4 I2CDAO: I2C Data-Output Register 2–25 . . . . . . . . . . . . . . . . . . . 2.11 Read/Write Operations 2–25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.11.1 Read Operation (Serial EEPROM) 2–25 . . . . . . . . . . . . . . . . . . . . 2.11.2 Current Address Read Operation 2–26 . . . . . . . . . . . . . . . . . . . . . 2.11.3 Sequential Read Operation 2–26 . . . . . . . . . . . . . . . . . . . . . . . . . . 2.11.4 Write Operation (Serial EEPROM) 2–27 . . . . . . . . . . . . . . . . . . . . 2.11.5 Page Write Operation 2–28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical Specifications 3–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.1 Absolute Maximum Ratings Over Operating Free-Air Temperature Range 3–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2 Commercial Operating Condition 3–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3 Electrical Characteristics, TA = 25°C, VCC = 3.3 V ± 0.3 V, GND = 0 V 3–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Application 4–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.1 Keyboard Section 4–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2 Reset Timing 4–3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Mechanical Data 5–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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