ST72521AR9 STMicroelectronics, ST72521AR9 Datasheet - Page 200

• Manufacturer Part Number: ST72521AR9
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE
• Manufacturer: STMicroelectronics

Specifications of ST72521AR9

• Hdflash Endurance: 100 cycles, data retention
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
• Four Power Saving Modes: Halt, Active-Halt, Wait and Slow
• Main Clock Controller With: Real time base, Beep and Clock-out capabilities
• Two 16-bit Timers With: 2 input captures, 2 output compares, external clock input on one timer, PWM and pulse generator modes
• 8-bit Pwm Auto-reload Timer With: 2 input captures, 4 PWM outputs, output compare and time base interrupt, external clock with event detector

ST72F521, ST72521B
13.3 SOLDERING INFORMATION
In accordance with the RoHS European directive,
all STMicroelectronics packages will be converted
in 2005 to lead-free technology, named ECO-
PACK
PCN CRP/04/744 "Lead-free Conversion Program
- Compliance with RoHS", issued November 18th,
2004).
■
■
Table 29. Soldering Compatibility (wave and reflow soldering process)
* Assemblers must verify that the Pb-package maximum temperature (mentioned on the Inner box label)
is compatible with their Lead-free soldering process.
200/215
TQFP
ECOPACK
to the JEDEC STD-020B compliant soldering
profile.
Detailed information on the STMicroelectronic
ECOPACK
www.st.com/stonline/leadfree/,
technical Application notes covering the main
technical
conversion
AN2036).
Package
TM
(for a detailed roadmap, please refer to
TM
TM
aspects
(AN2033,
packages are qualified according
transition program is available on
NiPdAu (Nickel-palladium-Gold)
related
Plating material devices
AN2034,
with
to
lead-free
AN2035,
specific
Backward and forward compatibility:
The main difference between Pb and Pb-free sol-
dering process is the temperature range.
– ECOPACK
– TQFP Pb-packages are compatible with Lead-
ible with Lead (Pb) containing soldering process
(see application note AN2034)
free soldering process, nevertheless it's the cus-
tomer's duty to verify that the Pb-packages max-
imum temperature (mentioned on the Inner box
label) is compatible with their Lead-free soldering
temperature.
Pb solder paste
Yes
TM
TQFP packages are fully compat-
Pb-free solder paste
Yes *