UPD784938 Datasheet, PDF (9/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

Register Notation
7
6
5
4
3
2
1
0
Where the bit number is marked with a circle, the
bit name is reserved for NEC’s assembler and is
EDC
B
1
0
×
A
1
0
×
defined as an sfr variable by the #pragma sfr
directive for C compiler.
Write Operation
Read Operation
0 or 1 is written. The
0 or 1 is read.
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.
A value is read
according to the
operating status.
Code combinations marked “Setting prohibited” in the register notations in the text must not be written.
Easily confused characters : 0 (Zero), O (Letter O)
: 1 (One), l (Lowercase letter L), I (Uppercase letter I)
Related Documents The related documents indicated in this publication may include preliminary versions. However,
preliminary versions are not marked as such.
Device related documents
Document Name
µPD784935, 784936, 784937, 784938 Data Sheet
µPD78F4938 Preliminary Product Information
µPD784938 Subseries Special Function Register Table
µPD784938 Subseries User’s Manual - Hardware
78K/IV Series Application Note - Software Basics
78K/IV Series User's Manual - Instruction
78K/IV Series Instruction Table
78K/IV Series Instruction Set
Document No.
Japanese
English
U13572J
U13572E
U13573J
U13573E
To be prepared
—
U13987J
This manual
U10095J
U10095E
U10905J
U10905E
U10594J
—
U10595J
—
Preliminary User’s Manual U13987EJ1V0UM00
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