ST10F280 datasheet(6/186 Pages) STMICROELECTRONICS

6 / 186 page

ST10F280

6/186

1 - INTRODUCTION

The ST10F280 is a new derivative of the

Microelectronics ST10 family of 16-bit single-chip

CMOS microcontrollers. It combines high CPU

performance (up to 20 million instructions per

second) with high peripheral functionality and

enhanced I/O-capabilities. It also provides on-chip

high-speed

single

voltage

FLASH

memory,

on-chip high-speed RAM, and clock generation

via PLL.

ST10F280

processed

0.35

µm CMOS

technology. The MCU core and the logic is

supplied with a 5V to 3.3V on chip voltage

regulator. The part is supplied with a single 5V

supply and I/Os work at 5V.

The

device

is upward

compatible

with

the

ST10F269 device, with the following set of

differences:

– Two supply pins (DC1,DC2) on the PBGA-208

package are used for decoupling the internally

generated 3.3V core logic supply. Do not con-

nect these two pins to 5.0V external supply. In-

stead, these pins should be connected to a

decoupling

capacitor

(ceramic

type,

value

≥ 330nF).

– The A/D Converter characteristics stay identical

but 16 new input channel are added. A bit in a

new register (XADCMUX) control the multiplex-

age between the first block of 16 channel (on

Port5) and the second block (on XPort10). The

conversion result registers stay identical and the

software management can determine the block

in use. A new dedicated timer controls now the

ADC channel injection mode on the input CC31

(P7.7). The output of this timer is visible on a

dedicated pin (XADCINJ) to emulate this new

functionnality.

– A second XPWM peripheral (4 new channels) is

added. Four dedicated pins are reserved for the

outputs (XPWM[0:3])

– A new general purpose I/O port named XPORT9

(16 bits) is added. Due to the bit addressing

management, it will be different from other

standard general purpose I/O ports.

Figure 1 : Logic Symbol

XTAL1

RSTIN

XTAL2

RSTOUT

NMI

READY

ALE

WR/WRL

Port 5

16-bit

Port 6

8-bit

Port 4

8-bit

Port 3

15-bit

Port 2

16-bit

Port 1

16-bit

Port 0

16-bit

VSS

Port 7

8-bit

Port 8

8-bit

VAREF

VAGND

XPort 9

16-bit

XPWM

4-bit

XADCINJ

XPort10

16-bit

DC1

DC2

Decoupling capacitor for internal regulator

ST10F280

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