ST72521R9 STMicroelectronics, ST72521R9 Datasheet - Page 11

• Manufacturer Part Number: ST72521R9
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE
• Manufacturer: STMicroelectronics

Specifications of ST72521R9

• 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

24 18 PD5/AIN5
25 19 PD6/AIN6
26 20 PD7/AIN7
27 21 V
28 22 V
29 23 V
30 24 V
31
32
33 25 PF0/MCO/AIN8
34 26 PF1 (HS)/BEEP
35 27 PF2 (HS)
36 28 PF3/OCMP2_A/AIN9
37 29 PF4/OCMP1_A/AIN10
38 30 PF5/ICAP2_A/AIN11
39 31 PF6 (HS)/ICAP1_A
40 32 PF7 (HS)/EXTCLK_A
41 33 V
42 34 V
43 35 PC0/OCMP2_B/AIN12
44 36 PC1/OCMP1_B/AIN13
45 37 PC2 (HS)/ICAP2_B
46 38 PC3 (HS)/ICAP1_B
47 39 PC4/MISO/ICCDATA
48 40 PC5/MOSI/AIN14
49
50
51
Pin n°
-
-
-
-
-
PG4
PG5
PH0
PH1
PH2
AREF
SSA
DD_3
SS_3
DD_0
SS_0
Pin Name
I/O C
I/O C
I/O C
I/O T
I/O T
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O T
I/O T
I/O T
S
S
S
S
S
I
T
T
T
T
T
Level
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
HS
HS
HS
HS
HS
HS
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Input
ei1
ei1
ei1
Port
X
X
X
X
X
X
X
X
X
X
Output
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
function
Port D5
Port D6
Port D7
Analog Reference Voltage for ADC
Analog Ground Voltage
Digital Main Supply Voltage
Digital Ground Voltage
Port G4
Port G5
Port F0
Port F1
Port F2
Port F3
Port F4
Port F5
Port F6
Port F7
Digital Main Supply Voltage
Digital Ground Voltage
Port C0
Port C1
Port C2
Port C3
Port C4
Port C5
Port H0
Port H1
Port H2
reset)
(after
Main
ST72F521, ST72521B
ADC Analog Input 5
ADC Analog Input 6
ADC Analog Input 7
Main clock
out (f
Beep signal output
Timer A Out-
put Compare
2
Timer A Out-
put Compare
1
Timer A Input
Capture 2
Timer A Input Capture 1
Timer A External Clock
Source
Timer B Out-
put Compare
2
Timer B Out-
put Compare
1
Timer B Input Capture 2
Timer B Input Capture 1
SPI Master In
/ Slave Out
Data
SPI Master
Out / Slave In
Data
Alternate function
CPU
)
ADC Analog
Input 8
ADC Analog
Input 9
ADC Analog
Input 10
ADC Analog
Input 11
ADC Analog
Input 12
ADC Analog
Input 13
ICC Data In-
put
ADC Analog
Input 14
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