M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 242

• Manufacturer Part Number: M37702E6BFS
• Description: EPROM MCU/8BIT CMOS EMULATION CH
• Manufacturer: Renesas Electronics America

Specifications of M37702E6BFS

• Accessory Type: Emulator EPROM MCU
• For Use With/related Products: 7702
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A-D CONVERTER
8.7 Single sweep mode
8–22
8.7.2 Single sweep mode operation description
(1) When an internal trigger is selected
(2) When an external trigger is selected
operation of the A-D converter can be performed again from step
changes from “H” to “L.”
is cancelled and is restarted from step
The A-D conversion start bit remains set to “1” after the operation is completed. Accordingly, the
When the level of the AD
Figure 8.7.2 shows the conversion operation in the single sweep mode.
set to “1.”
the contents of the successive approximation register (conversion result) are transferred to the
A-D register 0.
The conversion result is transferred to the A-D register i each time each pin is converted.
the AD
the contents of the successive approximation register (conversion result) are transferred to the
A-D register 0.
The conversion result is transferred to the A-D register i each time each pin is converted.
The A-D conversion of the input voltage from the AN
The A-D converter starts operation for the input voltage from the AN
The A-D conversion of the input voltage from the AN
The operation for the input voltage from the AN
The operation to all selected analog input pins is performed.
When the step
The A-D conversion start bit is cleared to “0” and the A-D converter stops operation.
The operation to all selected analog input pins is performed.
When the step
The A-D conversion stops operation.
_____
TRG
pin changes from “H” to “L” while the A-D conversion start bit is “1.”
is completed, the A-D conversion interrupt request bit is set to “1.”
is completed, the A-D conversion interrupt request bit is set to “1.”
_____
TRG
pin changes from “H” to “L” during operation, the operation at that point
7702/7703 Group User’s Manual
.
0
pin starts when the A-D conversion start bit is
0
0
pin is completed after 57 cycles of
pin is completed after 57 cycles of
when the level of the AD
0
pin when the input level to
_____
AD
AD
. Then,
. Then,
TRG
pin