TUSB2136PM datasheet(33/53 Pages) TI

부품명	TUSB2136PM

상세설명	Universal Serial Bus Compound Hub with General Purpose 8052 MCU

PDF	53 Pages

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제조업체	TI [Texas Instruments]

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2−20

D+

TUSB2136

DM0

DP0

CMOS

CONT-Bit

PUR

1.5 k

Ω

15 k

Ω

15 k

Ω

HUB

D−

TUSB2046B

Figure 2−3. Pullup Resistor Connect/Disconnect Circuit

2.9

8052 Interrupt and Status Registers

All seven 8052-standard interrupt sources are preserved. SIE is the standard interrupt enable register, which controls

the seven interrupt sources. All the additional interrupt sources are connected together as an OR to generate INT0.

The INT0 signal is provided to interrupt the MCU (see interrupt connection diagram, Figure 2−4).

Table 2−7. 8052 Interrupt Location Map

INTERRUPT

SOURCE

DESCRIPTION

START

ADDRESS

COMMENTS

ET2

Timer-2 interrupt

002BH

UART interrupt

0023H

ET1

Timer-1 interrupt

001BH

EX1

Internal INT1 or INT1

0013H

Used for P2[7:0] interrupt

ET0

Timer-0 interrupt

000BH

EX0

Internal INT0

0003H

Used for all internal peripherals

Reset

0000H

TUSB2136PM 데이터시트(PDF) 33 Page - Texas Instruments

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