STEVAL-IFS006V1 STMicroelectronics, STEVAL-IFS006V1 Datasheet - Page 50

• Manufacturer Part Number: STEVAL-IFS006V1
• Description: BOARD EVAL 8BIT MICRO + TDE1708
• Manufacturer: STMicroelectronics

Specifications of STEVAL-IFS006V1

• Design Resources: STEVAL-IFS006V1 Bill of Material
• Sensor Type: Proximity
• Interface: I²C
• Voltage - Supply: 6 V ~ 48 V
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: ST7FLITEUS5, TDE1708
• Processor To Be Evaluated: ST7LITEUS5
• Data Bus Width: 8 bit
• Operating Supply Voltage: 6 V to 48 V
• Silicon Manufacturer: ST Micro
• Silicon Core Number: TDE1708DFT
• Kit Application Type: Sensing - Touch / Proximity
• Application Sub Type: Proximity Switch
• Kit Contents: Board
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensitivity: -
• Sensing Range: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-6403; STEVAL-IFS006V1

Power saving modes
8.4
50/136
Figure 20. Wait mode flowchart
1. 1. Before servicing an interrupt, the CC register is pushed on the stack. The I bit of the CC register is set
Active-halt and Halt modes
Active-halt and Halt modes are the two lowest power consumption modes of the MCU. They
are both entered by executing the ‘HALT’ instruction. The decision to enter either in Active-
halt or Halt mode is given by the LTCSR/ATCSR register status as shown in the following
table:
Table 14.
LTCSR TBIE
during the interrupt routine and cleared when the CC register is popped.
bit
0
0
0
1
x
Enabling/disabling Active-halt and Halt modes
ATCSR OVFIE
WFI INSTRUCTION
N
bit
0
1
1
x
x
INTERRUPT
Y
ATCSRCK1 bit ATCSRCK0 bit
OR SERVICE INTERRUPT
FETCH RESET VECTOR
64 CPU CLOCK CYCLE
OSCILLATOR
PERIPHERALS
CPU
I BIT
OSCILLATOR
PERIPHERALS
CPU
I BIT
OSCILLATOR
PERIPHERALS
CPU
I BIT
N
1
0
x
x
x
DELAY
RESET
Y
OFF
OFF
X
ON
ON
ON
ON
ON
ON
ON
0
0
1)
0
x
1
x
1
Active-halt mode disabled
Active-halt mode enabled
ST7LITEUS2, ST7LITEUS5
Meaning