ST7DALIF2 STMicroelectronics, ST7DALIF2 Datasheet - Page 3
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ST7DALIF2
Manufacturer Part Number
ST7DALIF2
Description
8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI
Manufacturer
STMicroelectronics
Datasheet
1.ST7DALIF2.pdf
(171 pages)
Specifications of ST7DALIF2
8 Kbytes Single Voltage Flash Program Memory With Read-out Protection, In-circuit Programming And In-application Programming (icp And Iap). 10k Write/erase Cycles Guaranteed, Data Retention
20 years at 55°C.
256 Bytes Data Eeprom With Read-out Protection. 300k Write/erase Cycles Guaranteed, Data Retention
20 years at 55°C.
Clock Sources
Internal 1% RC oscillator, crystal/ceramic resonator or external clock
Five Power Saving Modes
Halt, Active-Halt, Wait and Slow, Auto Wake Up From Halt
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ST7DALIF2
8
9
10
Central processing unit (CPU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
8.1
8.2
8.3
Supply, reset and clock management . . . . . . . . . . . . . . . . . . . . . . . . . . 32
9.1
9.2
9.3
9.4
9.5
9.6
9.7
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
10.1
10.2
10.3
10.4
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
CPU registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
8.3.1
8.3.2
8.3.3
8.3.4
8.3.5
Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Internal RC oscillator adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Phase locked loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Register description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
9.4.1
9.4.2
Multi-oscillator (MO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Reset sequence manager (RSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
9.6.1
9.6.2
9.6.3
9.6.4
9.6.5
System integrity management (SI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
9.7.1
9.7.2
9.7.3
9.7.4
Non maskable software interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
External interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Peripheral interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Interrupt registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Accumulator (A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Index registers (X and Y) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Program counter (PC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Condition code register (CC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Stack pointer register (SP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Main clock control/status register (MCCSR) . . . . . . . . . . . . . . . . . . . . . 34
RC control register (RCCR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Asynchronous external RESET pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
External power-on RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Internal low voltage detector (LVD) RESET . . . . . . . . . . . . . . . . . . . . . . 39
Internal watchdog RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Low voltage detector (LVD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Auxiliary voltage detector (AVD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Register description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Contents
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