M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 459

• 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 control register
b7
b6
b5
b4
b3
b2
b1
b0
A-D control register (Address 1E
Notes 1: These bits are ignored in the single sweep and repeat sweep mode. (They may be
Bit
4
1
2
3
5
6
7
0
2: When selecting an external trigger, the AN
3: Writing to each bit (except bit 6) of the A-D control register must be performed while
Analog input select bits
(Valid in one-shot and repeat
modes) (Note 1)
A-D conversion start bit
A-D operation mode select bits
Trigger select bit
A-D conversion frequency
(
either “0” or “1.”)
the A-D converter halts.
AD
7702/7703 Group User’s Manual
) select bit
Bit name
16
)
b2 b1 b0
b4 b3
0 0 : One-shot mode
0 1 : Repeat mode
1 0 : Single sweep mode
1 1 : Repeat sweep mode
0 0 0 : AN
0 0 1 : AN
0 1 0 : AN
0 1 1 : AN
1 0 0 : AN
1 0 1 : AN
1 1 0 : AN
1 1 1 : AN
0 : Internal trigger
1 : External trigger
0 : Stop A-D conversion
1 : Start A-D conversion
0 : f
1 : f
2
2
divided by 4
divided by 2
Appendix 3. Control registers
7
0
1
2
3
4
5
6
7
pin cannot be used as an analog input pin.
selected
selected
selected
selected
selected
selected
selected (Note 2)
selected
Functions
APPENDIX
Undefined
Undefined
Undefined
At reset
0
0
0
0
0
RW
RW
RW
RW
RW
RW
RW
RW
RW
21–13