ST7FMC2S4TCE STMicroelectronics, ST7FMC2S4TCE Datasheet - Page 234

• Manufacturer Part Number: ST7FMC2S4TCE
• Description: IC MCU 8BIT 16K FLASH 44-LQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST7FMC2S4TCE

• 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: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 768 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: -

ST7MC1xx/ST7MC2xx
OP-AMP MODULE (Cont’d)
10.7.5 Op-Amp Programming
The flowchart for Op-Amp operation is shown in
Figure 126
Figure 126. Normal Op-Amp Operation
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(4)
Write OACSR = x0p1 pxx0
p : same as before
Yes
#OFFCMP & AVGCMP
should be set simultenaously
(2a)
Write OACSR = x111 0xx0
Wait for 24576*TCPU cycles
Read CMPOVR = 1
Re-compensate
Offset ?
(1)
No
Yes
closed loop gain > 20dB @ 100kHz ?
Write OACSR = x0010xx0
Wait for Amplifier to wake up (T
Average Compensation ?
Compensation Offset ?
Power On Reset
OACSR = 0000 0000
Op-Amp useable
Need
Yes
No
#The HIGHGAIN bit can also be written in step (1) or (2)
(2b)
Write OACSR = x101 0xx0
Wait for 1536*TCPU cycles
Read CMPOVR = 1
wakeup
Write OACSR = x1p1 1xx0
p : same as before
External components always connected
No
No
)
Yes
(3) #