ST7FLITE05Y0B6 FARNELL, ST7FLITE05Y0B6 Datasheet - Page 31
ST7FLITE05Y0B6
Manufacturer Part Number
ST7FLITE05Y0B6
Description
IC, 8BIT MCU, ST7, 16MHZ, DIP-16
Manufacturer
FARNELL
Datasheet
1.ST7FLITE05Y0B6.pdf
(124 pages)
Specifications of ST7FLITE05Y0B6
Controller Family/series
ST7
No. Of I/o's
13
Ram Memory Size
128Byte
Cpu Speed
16MHz
No. Of Timers
2
Interface
SPI
Core Size
8 Bit
Program Memory Size
1.5 Kb
Peripherals
ADC, PWM, Timer
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ST7FLITE05Y0B6
Manufacturer:
ST
Quantity:
20 000
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INTERRUPTS (Cont’d)
EXTERNAL INTERRUPT CONTROL REGISTER
(EICR)
Read/Write
Reset Value: 0000 0000 (00h)
Bit 7:6 = IS3[1:0] ei3 sensitivity
These bits define the interrupt sensitivity for ei3
(Port B0) according to
Bit 5:4 = IS2[1:0] ei2 sensitivity
These bits define the interrupt sensitivity for ei2
(Port B3) according to
Bit 3:2 = IS1[1:0] ei1 sensitivity
These bits define the interrupt sensitivity for ei1
(Port A7) according to
Bit 1:0 = IS0[1:0] ei0 sensitivity
These bits define the interrupt sensitivity for ei0
(Port A0) according to
IS31
7
IS30
IS21
IS20
Table
Table
Table
Table
IS11
7.
7.
7.
7.
IS10
IS01
IS00
0
Notes:
1. These 8 bits can be written only when the I bit in
the CC register is set.
2. Changing the sensitivity of a particular external
interrupt clears this pending interrupt. This can be
used to clear unwanted pending interrupts. Refer
to section “External interrupt function” on page 42.
Table 7. Interrupt Sensitivity Bits
ISx1 ISx0
0
0
1
1
0
1
0
1
ST7LITE0xY0, ST7LITESxY0
External Interrupt Sensitivity
Falling edge & low level
Rising and falling edge
Falling edge only
Rising edge only
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