ST72P60K1U1 datasheet(11/117 Pages) STMICROELECTRONICS

No de pièce	ST72P60K1U1

Description	LOW SPEED USB 8-BIT MCU FAMILY WITH UP TO 8K FLASH/ROM AND SERIAL COMMUNICATION INTERFACE (SCI)

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Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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ST7260

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3 REGISTER & MEMORY MAP

As shown in Figure 4, the MCU is capable of ad-

dressing 8 Kbytes of memories and I/O registers.

The available memory locations consist of up to

384 bytes of RAM including 64 bytes of register lo-

cations, and up to 8K bytes of user program mem-

ory in which the upper 32 bytes are reserved for in-

terrupt vectors. The RAM space includes up to 128

bytes for the stack from 0100h to 017Fh.

The highest address bytes contain the user reset

and interrupt vectors.

IMPORTANT:

Memory

locations

noted

“Re-

served” must never be accessed. Accessing a re-

served area can have unpredictable effects on the

device.

Figure 4. Memory Map

Table 4. Interrupt Vector Map

Vector Address

Description

Masked by

Remarks

Exit from Halt Mode

FFE0h-FFEDh

FFEEh-FFEFh

FFF0h-FFF1h

FFF2h-FFF3h

FFF4h-FFF5h

FFF6h-FFF7h

FFF8h-FFF9h

FFFAh-FFFBh

FFFCh-FFFDh

FFFEh-FFFFh

Reserved Area

USB Interrupt Vector

SCI Interrupt Vector

Reserved Area

TIMER Interrupt Vector

IT1 to IT8 Interrupt Vector

USB End Suspend Mode Interrupt Vector

Flash Start Programming Interrupt Vector

TRAP (software) Interrupt Vector

RESET Vector

I- bit

None

Internal Interrupt

External Interrupt

External Interrupts

Internal Interrupt

CPU Interrupt

No

Yes

No

Yes

0000h

RAM

Program Memory

(4 / 8 KBytes)

Interrupt & Reset Vectors

HW Registers

0040h

003Fh

FFDFh

FFE0h

FFFFh

Reserved

Stack

(128 Bytes)

0100h

017Fh

01C0h

00FFh

0040h

0180h

01BFh

Short Addressing

RAM (192 bytes)

16-bit Addressing

RAM

8000h

7FFFh

(See Table 5)

(See Table 4)

(384 Bytes)

FFDFh

F000h

E000h

8 KBytes

4 KBytes

01BFh

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