ST72F521AR9TC STMicroelectronics, ST72F521AR9TC Datasheet - Page 37
![IC MCU 8BIT 60K FLASH 64-TQFP](/photos/6/76/67655/497-64-tqfp_sml.jpg)
ST72F521AR9TC
Manufacturer Part Number
ST72F521AR9TC
Description
IC MCU 8BIT 60K FLASH 64-TQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST72F521M9T6.pdf
(215 pages)
Specifications of ST72F521AR9TC
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
48
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
3.8 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
64-TQFP, 64-VQFP
For Use With
497-6453 - BOARD EVAL BASED ON ST7LNBX
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST72F521AR9TC
Manufacturer:
STMicroelectronics
Quantity:
10 000
Company:
Part Number:
ST72F521AR9TCE
Manufacturer:
STMicroelectronics
Quantity:
10 000
Company:
Part Number:
ST72F521AR9TCTR
Manufacturer:
STMicroelectronics
Quantity:
10 000
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INTERRUPTS (Cont’d)
Table 6. Dedicated Interrupt Instruction Set
Note: During the execution of an interrupt routine, the HALT, POPCC, RIM, SIM and WFI instructions change the current
software priority up to the next IRET instruction or one of the previously mentioned instructions.
Instruction
HALT
IRET
JRM
JRNM
POP CC
RIM
SIM
TRAP
WFI
Entering Halt mode
Interrupt routine return
Jump if I1:0=11 (level 3)
Jump if I1:0<>11
Pop CC from the Stack
Enable interrupt (level 0 set)
Disable interrupt (level 3 set)
Software trap
Wait for interrupt
New Description
Pop CC, A, X, PC
I1:0=11 ?
I1:0<>11 ?
Mem => CC
Load 10 in I1:0 of CC
Load 11 in I1:0 of CC
Software NMI
Function/Example
I1
I1
I1
1
1
1
1
1
H
H
H
ST72F521, ST72521B
I0
I0
I0
0
0
1
1
0
N
N
N
Z
Z
Z
37/215
C
C
C
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