M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 236

• 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

Fig. 8.5.2 Conversion operation in one-shot mode
A-D CONVERTER
8.5 One-shot mode
8–16
8.5.2 One-shot 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 8.5.2 shows the conversion operation in the one-shot mode.
approximation register (conversion result) are transferred to the A-D register i.
while the A-D conversion start bit is “1.”
approximation register (conversion result) are transferred to the A-D register i.
The A-D converter starts operation when the input level to the AD
The A-D converter starts operation when the A-D conversion start bit is set to “1.”
The A-D conversion is completed after 57 cycles of
At the same time as step
The A-D conversion start bit is cleared to “0” and the A-D converter stops operation.
The A-D conversion is completed after 57 cycles of
At the same time as step
The A-D conversion stops operation.
Convert input voltage from
A-D converter stops.
_____
Trigger occur
TRG
AN
pin changes from “H” to “L” during operation, the operation at that point
i
pin
, the A-D conversion interrupt request bit is set to “1.”
, the A-D conversion interrupt request bit is set to “1.”
7702/7703 Group User’s Manual
A-D conversion interrupt request occurs.
.
Conversion result
AD
AD
. Then, the contents of the successive
. Then, the contents of the successive
A-D register i
_____
when the level of the AD
TRG
pin changes from “H” to “L”
_____
TRG
pin