UPSD3454EB40T6 datasheet(4/293 Pages) STMICROELECTRONICS

Part #	UPSD3454EB40T6

Description	Turbo Plus Series Fast Turbo 8032 MCU with USB and Programmable Logic

Download	293 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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4 / 293 page

Contents

uPSD34xx

4/293

9.5

External Direct Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

9.6

External Indirect Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

9.7

Indexed Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

9.8

Relative Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

9.9

Absolute Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

9.10

Long Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

9.11

Bit Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

10

uPSD34xx instruction set summary . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

11

Dual data pointers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

11.1

Data pointer control register, DPTC (85h) . . . . . . . . . . . . . . . . . . . . . . . . 47

11.2

Data pointer mode register, DPTM (86h) . . . . . . . . . . . . . . . . . . . . . . . . . 48

12

Debug unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

13

Interrupt system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

13.1

Individual interrupt sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

14

MCU clock generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

14.1

MCU_CLK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

14.2

PERIPH_CLK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

15

Power saving modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

15.1

Idle Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

15.2

Power-down Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

15.3

Reduced Frequency Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

16

Oscillator and external components . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

17

I/O ports of mcu module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

17.1

MCU port operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

18

MCU bus interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

18.1

PSEN bus cycles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

18.2

READ or WRITE bus cycles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

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