ST7FMC2S6TC STMicroelectronics, ST7FMC2S6TC Datasheet - Page 63
ST7FMC2S6TC
Manufacturer Part Number
ST7FMC2S6TC
Description
IC MCU 8BIT 32K FLASH 44-LQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST7FMC2S4T6.pdf
(309 pages)
Specifications of ST7FMC2S6TC
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
LINSCI, SPI
Peripherals
LVD, Motor Control PWM, POR, PWM, WDT
Number Of I /o
26
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3.8 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
44-LQFP
For Use With
497-8402 - BOARD EVAL COMPLETE INVERTER497-8400 - KIT IGBT PWR MODULE CTRL ST7MC497-6408 - BOARD EVAL BLDC SENSORLESS MOTOR497-4734 - EVAL KIT 3KW POWER DRIVER BOARD497-4733 - EVAL KIT 1KW POWER DRIVER BOARD497-4732 - EVAL KIT 300W POWER DRIVER BOARD497-4731 - EVAL KIT PWR DRIVER CONTROL BRD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST7FMC2S6TC
Manufacturer:
STMicroelectronics
Quantity:
10 000
Company:
Part Number:
ST7FMC2S6TCE
Manufacturer:
STMicroelectronics
Quantity:
10 000
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WINDOW WATCHDOG (Cont’d)
Figure 36. Exact Timeout Duration (t
WHERE:
t
t
t
CNT = Value of T[5:0] bits in the WDGCR register (6 bits)
MSB and LSB are values from the table below depending on the timebase selected by the TB[1:0] bits
in the MCCSR register
To calculate the minimum Watchdog Timeout (t
IF
To calculate the maximum Watchdog Timeout (t
IF
Note: In the above formulae, division results must be rounded down to the next integer value.
Example:
With 2ms timeout selected in MCCSR register
min0
max0
OSC2
(MCCSR Reg.)
WDGCR Register (Hex.)
Value of T[5:0] Bits in
CNT
CNT
TB1 Bit
= (LSB + 128) x 64 x t
= 16384 x t
= 125ns if f
0
0
1
1
<
≤
MSB
-------------
MSB
-------------
00
3F
4
4
(MCCSR Reg.)
OSC2
OSC2
TB0 Bit
THEN
ELSE
THEN
ELSE
0
1
0
1
= 8 MHz
t
t
max
Min. Watchdog
min
t
t
Timeout (ms)
max
OSC2
min
=
=
1.496
t
Selected MCCSR
128
=
=
min
t
t
min0
max0
t
t
min0
max0
Timebase
10ms
25ms
2ms
4ms
min
+
+
+
+
16384
and t
16384
16384
16384
Max. Watchdog
Timeout (ms)
max
×
128.552
×
×
×
2.048
t
⎛
⎝
max
⎛
⎝
CNT
MSB
CNT
CNT
)
min
CNT
max
20
49
4
8
):
–
):
–
×
×
4CNT
---------------- -
MSB
4CNT
---------------- -
LSB
t
MSB
osc2
t
59
53
35
54
osc2
⎞
⎠
⎞
⎠
+
+
(
(
192
192
+
+
LSB
LSB
ST7MC1xx/ST7MC2xx
)
)
×
×
64
64
×
×
4CNT
---------------- -
MSB
4CNT
---------------- -
MSB
×
×
63/309
t
osc2
t
osc2
1
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