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PDF STR715F Data sheet ( Hoja de datos )
| Número de pieza | STR715F | |
| Descripción | (STR71xF) 10 COMMUNICATIONS INTERFACES | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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STR71xF
ARM7TDMI™ 16/32-BIT MCU WITH FLASH, USB, CAN
5 TIMERS, ADC, 10 COMMUNICATIONS INTERFACES
PRELIMINARY DATA
■ Memories
– Up to 256+16 Kbytes Flash memory (100,000
cycles endurance, 20 yrs retention)
– Up to 64 Kbytes RAM
– External Memory Interface (EMI) for up to 4
banks of SRAM, Flash, ROM.
– Multi-boot capability
■ Clock, Reset and Supply Management
TQFP64
10 x 10
TQFP144
20 x 20
– 3.3V application supply and I/O interface
– Internal 1.8V voltage regulator for core supply
– 0 to 16 MHz external main oscillator
LLFFBBGGAA66448 8x x8 8x x1.17.7 LFBGA144 10 x 10 x 1.7
– 32 kHz external backup oscillator
– Embedded PLL for CPU clock
– Up to 50 MHz CPU operating frequency when
executing from Flash
■ 10 Communications Interfaces
– 2 I2C interfaces (1 multiplexed with SPI)
– 4 UART asynchronous serial interfaces
– Realtime Clock for clock-calendar function
– Smart Card ISO7816-3 interface on UART1
– 4 power saving modes: SLOW, WAIT, STOP
– 2 BSPI synchronous serial interfaces
and STANDBY modes
– CAN interface (2.0B Active)
■ Nested interrupt controller
– USB v 2.0 Full Speed (12Mbit/s) Device Func-
– Fast interrupt handling with multiple veDctaotrasSheet4U.cotmion with Suspend and Resume support
– 32 vectors with 16 IRQ priority levels
– HDLC synchronous communications
DataShee
– 2 maskable FIQ sources
■ 4-channel 12-bit A/D Converter
■ Up to 48 I/O ports
– Conversion time:
– 30/32/48 multifunctional bidirectional I/O lines
– 4 channels: up to 500 Hz (2 ms)
– 14 ports with interrupt capability
■ 5 Timers
– 16-bit watchdog timer
– 1 channel: up to 1 kHz (1 ms)
– Conversion range: 0 to 2.5V
■ Development Tools Support
– 4 16-bit timers with: 2 input captures, 2 output
compares, PWM and pulse counter modes
– JTAG with debug mode trigger request
Table 1. Device Summary
Features
FLASH - Kbytes
STR710FZ
12
128+16 256+16
STR711FR
STR712FR
01
2 01
2
64+16 128+16 256+16 64+16 128+16 256+16
STR715FR
0
64+16
RAM - Kbytes
32
64 16 32
64 16 32
64
16
Peripheral Functions
CAN, EMI, USB,
48 I/Os
USB, 30 I/Os
CAN, 32 I/Os
32 I/Os
Operating Voltage
3.0 to 3.6V (optional 1.8V for core)
Operating Temp.
-40 to +85°C
Packages
T=TQFP144 20 x 20
H=LFBGA144 10 x10
T=TQFP64 10 x10 / H=LFBGA64 8 x 8 x 1.7
DataSheet4U.com
Rev. 6
April 2005
1/49
This is preliminary information on a new product now in development or undergoing evaluationD. DaettaaiSlshaereestu4bUjec.ct toomchange without notice. 1
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1 page  
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STR71xF - INTRODUCTION
Standard Timers
Each of the four timers have a 16-bit free-running counter with 7-bit prescaler, up to two input
capture/output compare functions, a pulse counter function, and a PWM channel with
selectable frequency.
Realtime Clock (RTC)
The RTC provides a set of continuously running counters driven by a low power 32kHz
internal oscillator. The RTC can be used as a general timebase or clock/calendar/alarm
function. When the STR71xF is in Standby mode the RTC can be kept running, powered by
the low power voltage regulator and driven by the 32kHz internal oscillator.
UARTs
The 4 UARTs allow full duplex, asynchronous, communications with external devices with
independently programmable TX and RX baud rates up to 625 kb/s.
Smart Card Interface
UART1 is configurable to function either as a general purpose UART or as an asynchronous
Smart Card interface as defined by ISO 7816-3. It includes Smart Card clock generation and
provides support features for synchronous cards.
Buffered Serial Peripheral Interfaces (BSPI)
et4U.coEmach of the two SPIs allow full duplexD, astyanSchheerot4nUo.ucsomcommunications with external devicesD,ataShee
master or slave communication at up to 5.5Mb/s in Master mode and 4 Mb/s in Slave mode.
I2C Interfaces
The two I2C Interfaces provide multi-master and slave functions, support normal and fast I2C
mode (400 kHz) and 7 or 10-bit addressing modes.
One I2C Interface is multiplexed with one SPI, so either 2xSPI+1x I2C or 1xSPI+2x I2C may be
used at a time.
HDLC interface
The High Level Data Link Controller (HDLC) unit supports full duplex operation and NRZ,
NRZI, FM0 or MANCHESTER protocols. It has an internal 8-bit baud rate generator.
A/D Converter
The Analog to Digital Converter, converts in single channel or up to 4 channels in single-shot
or continuous conversion modes. Resolution is 12-bit with a sample rate of 0.5 kHz (1 kHz in
single channel mode). The input voltage range is 0-2.5V.
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STR71xF - INTRODUCTION
Legend / Abbreviations for Table 3:
Type:
I = input, O = output, S = supply, HiZ= high impedance,
In/Output level: C = CMOS 0.3VDD/0.7VDD
CT= CMOS 0.8V / 2V with input trigger
TT= TTL 0.3VDD/0.7VDD with input trigger
C/T = Programmable levels: CMOS 0.3VDD/0.7VDD or TTL 0.8V / 2V
Port and control configuration:
– Input:
pu/pd= software enabled internal pull-up or pull down
pu= in reset state, the internal 100kΩ weak pull-up is enabled.
pd = in reset state, the internal 100kΩ weak pull-down is enabled.
– Output:
OD = open drain (logic level)
PP = push-pull
T = true OD, (P-Buffer and protection diode to VDD not implemented), 5V tolerant.
Table 3. STR710 Pin Description
Pin n°
Pin Name
Input Output
Main
function
(after
reset)
Alternate function
UART1: Receive UART1: Transmit data
Data input
output.
et4U.com1
P0.10/U1.RX/
A1 U1.TX/
SC.DATA
I/O pd CT X 4mADaTtaSheet4UP0.o.1cr0tom
Note: This pin may be used for Smartcard
Dplaetxa)Inif/DpraotgarOaumtmoresdinagsleAwlteirrenaUtAeRFTun(hcatiolfndu-DataShee
Output. The pin will be tri-stated except when
UART transmission is in progress
2 B2 RD
O
External Memory Interface: Active low read signal for
X external memory. It maps to the OE_N input of the ex-
ternal components.
P0.11/
3 C2 BOOT.1/
U1.TX
I/O pd CT
4mA X X
Port
0.11
Select Boot Con- UART1: Transmit data
figuration input output.
4 C3 P0.12/SC.CLK I/O pd CT 4mA
Port
0.12
Smartcard reference clock output
5 D1 VSS
6 D2 V33
7 B1 P2.0/CS.0
S
S
I/O pu CT
8mA X X
Ground voltage for digital I/Os
Supply voltage for digital I/Os
Port 2.0
External Memory Interface: Select Memory
Bank 0 output
Note: This pin is forced to output mode at re-
set to allow boot from external memory
8 C1 P2.1/CS.1
I/O
pu
2)
CT
8mA X X
Port 2.1
External Memory Interface: Select Memory
Bank 1 output
9
D3
P0.13/U2.RX/
T2.OCMPA
I/O pu CT X 4mA X
X
Port
0.13
UART2: Receive Timer2: Output Compare
Data input
A output
10
D4
P0.14/U2.TX/
T2.ICAPA
I/O pu CT
4mA X X
Port
0.14
UART2: Transmit Timer2: Input Capture A
data output
input
11 E1 P2.2/CS.2
DataSheet4U.com
I/O
pu
2)
CT
8mA X X
Port 2.2
External Memory Interface: Select Memory
Bank 3 output
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