TUSB2136_07 datasheet(6/53 Pages) TI

Part #	TUSB2136

Description	Universal Serial Bus Compound Hub with General Purpose 8052 MCU

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Manufacturer	TI [Texas Instruments]

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6 / 53 page

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List of Illustrations

Figure

Title

Page

1−1 TUSB2136 Block Diagram

1−2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−1 MCU Memory Map (TUSB2136B)

2−1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−2 Reset Diagram

2−19

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−3 Pullup Resistor Connect/Disconnect Circuit

2−20

. . . . . . . . . . . . . . . . . . . . . . . . . .

2−4 Internal Vector Interrupt (INT0)

2−23

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−5 P2[7:0] Input Port Interrupt Generation

2−23

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4−1 Keyboard LED Connection

4−1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4−2 Keyboard Matrix Scan Connection

4−2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4−3 Partial Connection Bus Power Mode

4−2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4−4 Upstream Connection (a) Non-Switching Power Mode (b) Switching

Power Mode

4−2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4−5 Downstream Connection − Only One Port Shown

4−3

. . . . . . . . . . . . . . . . . . . . .

4−6 Reset Timing

4−3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

List of Tables

Table

Title

Page

2−1 XDATA Space

2−4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−2 Memory Mapped Registers Summary (XDATA Range = FF80

→ FFFF)

2−5

. .

2−3 EDB and Buffer Allocations in XDATA

2−6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−4 EDB Entries in RAM (n = 1 to 3)

2−7

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−5 Input/Output EDB-0 Registers

2−11

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−6 External Pins Mapping to S[3:0] in VIDSTA Register

2−19

. . . . . . . . . . . . . . . . . . .

2−7 8052 Interrupt Location Map

2−20

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−8 Vector Interrupt Values

2−22

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4−1 GPIO Assignment for Matrix Scan and LED Drive

4−1

. . . . . . . . . . . . . . . . . . . . .

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Manufacturer	Part #	Datasheet	Description
Texas Instruments	TUSB2136	242Kb / 53P	[Old version datasheet] Universal Serial Bus Compound Hub with General Purpose 8052 MCU

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TUSB2136 Datasheet(PDF) 6 Page - Texas Instruments

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