ST72521AR9 STMicroelectronics, ST72521AR9 Datasheet - Page 214

• 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
16 REVISION HISTORY
Table 34. Revision History
214/215
18-May-2005
7-Dec-2004
4-Mar-2005
Date
Revision
3
4
5
Added
Reinstated
Reinstated “BUSOFF not entered” in
Added “flash only” to PC6 Iinj spec in
Added Note on SMbus to
Static current consumption modified in
Updated footnote and
Modified VtPOR in
Added note 4 below Table of
Corrected MCO description in
Updated footnotes and
Updated soldering information in
Added Suffix 3 to
Updated partnumbers in
Added
Figure 82 on page 153
“Reset pin protection with LVD Enabled” on page 211
“I/O behaviour during ICC mode entry sequence” on page 213
Figure 118 on page 203
section 12.3.2 on page 168
Figure 103
Figure 103
Table 30 on page 205
Section 10.7
“CAN Cell Limitations” on page 212
Table 1
Description of Changes
section 13.3 on page 200
and
and
“CAN Cell Limitations” on page 212
Section 12.2
Figure 104 on page 186
and
section 12.8 on page 182
Figure 104 on page
Section 10.2
and
Section 12.8
186.