M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 226

• 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
8.2 Block description
Fig. 8.2.3 Structure of A-D control register 1
8–6
8.2.2 A-D sweep pin select register
Figure 8.2.3 shows the structure of the A-D sweep pin select register.
(1) A-D sweep pin select bits (bits 1 and 0)
b7
These bits are used to select analog input pins in the single sweep mode or repeat sweep mode.
In the single sweep mode and repeat sweep mode, pins which are not selected as analog input pins
function as programmable I/O ports.
b6
b5
b4
b3
b2
b1
b0
A-D sweep pin select register (Address 1F
Notes 1: These bits are invalid in the one-shot and repeat modes. (They may be either “0” or
7 to 2
Bit
1
0
2: When selecting an external trigger, the AN
3: Writing to each bit of the A-D sweep pin select register must be performed while the
Nothing is assigned.
A-D sweep pin select bits
(Valid in single sweep and repeat
sweep mode ) (Note 1)
“1.”)
A-D converter halts.
7702/7703 Group User’s Manual
Bit name
16
b1 b0
0 0 : AN
0 1 : AN
1 0 : AN
1 1 : AN
)
7
0
0
0
0
pin cannot be used as an analog input pin.
, AN
to AN
to AN
to AN
Functions
1
(2 pins)
3
5
7
(4 pins)
(6 pins)
(8 pins) (Note 2)
Undefined
At reset
1
1
RW
RW
RW
–