ST7FOXK1 STMicroelectronics, ST7FOXK1 Datasheet - Page 89

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ST7FOXK1

Manufacturer Part Number
ST7FOXK1
Description
Low cost flash 8bit micro
Manufacturer
STMicroelectronics
Datasheet

Specifications of ST7FOXK1

4 To 8 Kbytes Single Voltage Extended Flash (xflash) Program Memory With Read-out Protection In-circuit Programming And In-application Programming (icp And Iap) Endurance
1K write/erase cycles guaranteed Data retention
Clock Sources
Internal trimmable 8 MHz RC oscillator, auto wakeup internal low power - low frequency oscillator, crystal/ceramic resonator or external clock
Five Power Saving Modes
Halt, Active-Halt, Auto Wakeup from Halt, Wait and Slow
A/d Converter
up to 10 input channels

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ST7FOXF1, ST7FOXK1, ST7FOXK2
Note:
2
1
Figure 42. ST7FOXK2 Block diagram of break function
Output compare mode
To use this function, load a 12-bit value in the Preload DCRxH and DCRxL registers.
When the 12-bit upcounter CNTR1 reaches the value stored in the Active DCRxH and
DCRxL registers, the CMPFx bit in the PWMxCSR register is set and an interrupt request is
generated if the CMPIE bit is set.
In Single Timer mode the output compare function is performed only on CNTR1. The
difference between both the modes is that, in Single Timer mode, CNTR1 can be compared
with any of the four DCR registers, and in Dual Timer mode, CNTR1 is compared with DCR0
or DCR1 and CNTR2 is compared with DCR2 or DCR3.
The output compare function is only available for DCRx values other than 0 (reset value).
Duty cycle registers are buffered internally. The CPU writes in Preload Duty Cycle registers
and these values are transferred in Active Duty Cycle registers after an overflow event if the
corresponding transfer bit (TRANx bit) is set. Output compare is done by comparing these
active DCRx values with the counters.
Comparator2
BREAK2 pin
BREAKCR2 register
BR2SEL BR2EDGE
Comparator1
BREAK1 pin
BA2
BR1SEL
BP2EN
Level
Selection
BR1EDGE
Level
Selection
0
1
-
0
1
-
BA1
SWBR2
BP1EN
BREN1 bit
BREN2 bit
SWBR1
PWM3
BREAKCR1 register
ENCNTR2 bit
PWM2
PWM0/1 Break Enable
PWM2
PWM3
PWM0
PWM1
PWM1
PWM2/3 Break Enable
PWM0
(Inverters)
On-chip peripherals
OEx
89/226
PWM0
PWM1
PWM2
PWM3

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