st7pmc2s6 STMicroelectronics, st7pmc2s6 Datasheet - Page 68
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st7pmc2s6
Manufacturer Part Number
st7pmc2s6
Description
8-bit Mcu For Automotive With Nested Interrupts, Flash, 10-bit Adc, Brushless Motor Control, 5 Timers, Spi, Linsci?
Manufacturer
STMicroelectronics
Datasheet
1.ST7PMC2S6.pdf
(371 pages)
- Current page: 68 of 371
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Interrupts
7.7.2
68/371
External interrupt control register (EICR)
Table 20.
EICR
7:6 IS1[1:0]
4:3 IS2[1:0]
Bit
5
7
Name
IPB
IS1[1:0]
R/W
EICR register description
Interrupt sensitivity (ei2 sensitivity)
Interrupt polarity (for port C)
Interrupt sensitivity (ei1 sensitivity)
The interrupt sensitivity, defined using the IS1[1:0] bits, is applied to the following
external interrupts:
External interrupt ei2 (port C[3:2]):
00: External interrupt sensitivity = falling edge and low level (IPB bit = 0)
01: External interrupt sensitivity = rising edge only (IPB bit = 0)
10: External interrupt sensitivity = falling edge only (IPB bit = 0)
11: External interrupt sensitivity = rising and falling edge (IPB bit = 0 and IPB bit = 1)
External interrupt ei2 (port B[7:6]):
00: External interrupt sensitivity = falling edge and low level
01: External interrupt sensitivity = rising edge only
10: External interrupt sensitivity = falling edge only
11: External interrupt sensitivity = rising and falling edge
These 2 bits can be written only when I1 and I0 of the CC register are both set to 1
(level 3).
This bit is used to invert the sensitivity of port C[3:2] external interrupts. It can be set
and cleared by software only when I1 and I0 of the CC register are both set to 1
(level 3).
0: No sensitivity inversion
1: Sensitivity inversion
The interrupt sensitivity, defined using the IS2[1:0] bits, is applied to the following
external interrupts:
External interrupt ei1 (port A3 and A5):
00: External interrupt sensitivity = falling edge and low level
01: External interrupt sensitivity = rising edge only
10: External interrupt sensitivity = falling edge only
11: External interrupt sensitivity = rising and falling edge
6
ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto
and rising edge and high level (IPB bit = 1)
and falling edge only (IPB bit = 1)
and rising edge only (IPB bit = 1)
R/W
IPB
5
4
IS2[1:0]
R/W
Function
3
2
Reset value: 0000 0000 (00h)
IS3[1:0]
R/W
1
R/W
IPA
0
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