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TUSB2136 数据表(PDF) 4 Page - Texas Instruments

部件名 TUSB2136
功能描述  UNIVERSAL SERIAL BUS KEYBOARD HUB CONTROLLER
PDF  50 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TUSB2136 数据表(HTML) 4 Page - Texas Instruments

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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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