UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 13

• Manufacturer Part Number: UPD784026
• Description: 16/8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

Legend
Register Notation
Significance in data notation : High-order digit on left, low-order digit on right
Active-low notation
*
Caution
Remark
Numeric notations
Code combinations marked “Setting prohibited” in the register notations in the text must not be written.
Easily confused characters : 0 (Zero), O (Letter O)
EDC
7
B
6
1
5
0
:
: Explanation of item marked with * in the text
: Item to be especially noted
: Supplementary information
: Binary .................
: 1 (One), l (Lower-case letter L), I (Upper-case letter I)
Decimal ..............
Hexadecimal ......
4
(Line above pin or signal name)
3
A
2
1
1
0
B or
H
0
0 or 1 is written. The
operation is not affected
by either value.
0 must be written
1 must be written
A value is written
according to the
function to be used.
Where the bit number is marked with a circle, the
bit name is reserved for NEC’s assembler and is
defined as an sfr variable by the #pragm sfr
directive for C compiler.
Write Operation
0 or 1 is read.
A value is read
according to the
operating status.
Read Operation