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ST7LITE49M Datasheet(PDF) 75 Page - STMicroelectronics

No. de pieza ST7LITE49M
Descripción Electrónicos  8-bit MCU with single voltage Flash memory data EEPROM, ADC, 8/12-bit timers, and I²C interface
PDF  188 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7LITE49M Datasheet(HTML) 75 Page - STMicroelectronics

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10.6
Interrupts
The external interrupt event generates an interrupt if the corresponding configuration is
selected with DDR and OR registers and if the I bit in the CC register is cleared (RIM
instruction).
See application notes AN1045 software implementation of I2C bus master, and AN1048 -
software LCD driver
10.7
Device-specific I/O port configuration
The I/O port register configurations are summarised in Section 10.7.1: Standard ports and
Section 10.7.2: Other ports.
10.7.1
Standard ports
10.7.2
Other ports
Table 26.
Description of interrupt events
Interrupt Event
Event flag
Enable
Control bit
Exit from
Wait
Exit from
Halt
External interrupt on selected
external event
-
DDRx
ORx
Yes
Yes
Table 27.
PA5:0, PB7:0, PC7:4 and PC2:0 pins
Mode
DDR
OR
floating input
0
0
pull-up interrupt input
0
1
open drain output
1
0
push-pull output
1
1
Table 28.
PA7:6 pins
Mode
DDR
OR
floating input
0
0
interrupt input
0
1
open drain output
1
0
push-pull output
1
1



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