ST72521AR9 STMicroelectronics, ST72521AR9 Datasheet - Page 128

• 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
I²C BUS INTERFACE (Cont’d)
Table 23. I
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Address
001Ah
001Bh
001Ch
001Dh
001Eh
(Hex.)
0018h
0019h
2
I2CCR
Reset Value
I2CSR1
Reset Value
I2CSR2
Reset Value
I2CCCR
Reset Value
I2COAR1
Reset Value
I2COAR2
Reset Value
I2CDR
Reset Value
C Register Map and Reset Values
Register
Label
FM/SM
ADD7
MSB
EVF
FR1
7
0
0
0
0
0
0
0
ADD10
ADD6
CC6
FR0
6
0
0
0
0
0
1
0
ADD5
TRA
CC5
PE
5
0
0
0
0
0
0
0
ENGC
BUSY
ADD4
CC4
AF
4
0
0
0
0
0
0
0
STOPF
START
ADD3
CC3
BTF
3
0
0
0
0
0
0
0
ADSL
ARLO
ADD2
ADD9
ACK
CC2
2
0
0
0
0
0
0
0
BERR
STOP
ADD1
ADD8
M/SL
CC1
1
0
0
0
0
0
0
0
GCAL
ADD0
CC0
LSB
ITE
SB
0
0
0
0
0
0
0
0