ST7FLITE49K2T6TR STMicroelectronics, ST7FLITE49K2T6TR Datasheet - Page 76
ST7FLITE49K2T6TR
Manufacturer Part Number
ST7FLITE49K2T6TR
Description
IC MCU 8BIT 8K FLASH 32LQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST7FLITE49K2T6TR.pdf
(245 pages)
Specifications of ST7FLITE49K2T6TR
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
Processor Series
ST7FLITE4x
Core
ST7
Data Bus Width
8 bit
Data Ram Size
384 B
Interface Type
I2C, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
24
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ST7FLITE-SK/RAIS, ST7FLI49M-D/RAIS, STX-RLINK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 10 Channel
For Use With
497-8399 - BOARD EVAL ST7LITE49M/STLED316S497-5858 - EVAL BOARD PLAYBACK ST7FLITE
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST7FLITE49K2T6TR
Manufacturer:
STMicroelectronics
Quantity:
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I/O ports
10.2.3
Caution:
76/245
Alternate functions
Many ST7s I/Os have one or more alternate functions. These may include output signals
from, or input signals to, on-chip
be input/output to which ports.
A signal coming from an on-chip peripheral can be output on an I/O. To do this, enable the
on-chip peripheral as an output (enable bit in the peripheral’s control register). The
peripheral configures the I/O as an output and takes priority over standard I/O programming.
The I/O’s state is readable by addressing the corresponding I/O data register.
Configuring an I/O as floating enables alternate function input. It is not recommended to
configure an I/O as pull-up as this will increase current consumption. Before using an I/O as
an alternate input, configure it without interrupt. Otherwise spurious interrupts can occur.
Configure an I/O as input floating for an on-chip peripheral signal which can be input and
output.
I/Os which can be configured as both an analog and digital alternate function need special
attention. The user must control the peripherals so that the signals do not arrive at the same
time on the same pin. If an external clock is used, only the clock alternate function should be
employed on that I/O pin and not the other alternate function.
Figure 34. I/O port general block diagram
REGISTER
ACCESS
EXTERNAL
INTERRUPT
REQUEST (ei
DDR SEL
OR SEL
DR SEL
DDR
OR
DR
x
)
SENSITIVITY
SELECTION
ALTERNATE
OUTPUT
From on-chip periphera
ALTERNATE
ENABLE
BIT
If implemented
1
0
Combinational
Logic
l
peripherals.Table 2
1
0
FROM
OTHER
BITS
Note: Refer to the Port Configuration
table for device specific information.
N-BUFFER
PULL-UP
CONDITION
describes which peripheral signals can
SCHMITT
TRIGGER
CMOS
V
DD
P-BUFFER
(see table below)
To on-chip peripheral
V
DD
DIODES
(see table below)
PULL-UP
(see table below)
ALTERNATE
ANALOG
INPUT
INPUT
PAD
ST7LITE49K2
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