UPD78F0138 NEC, UPD78F0138 Datasheet - Page 7

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

How to Read This Manual
Conventions
It is assumed that the readers of this manual have general knowledge of electrical
engineering, logic circuits, and microcontrollers.
• When using this manual as the manual for (A) grade products, (A1) grade products,
• To gain a general understanding of functions:
• How to interpret the register format:
• To check the details of a register when you know the register name.
• To know details of the 78K/0 Series instructions.
Caution Examples in this manual employ the “standard” quality grade for
Data significance:
Active low representations: ××× (overscore over pin and signal name)
Note:
Caution:
Remark:
Numerical representations: Binary
and (A2) grade products:
→ Only the quality grade differs between standard products and (A), (A1), and (A2)
→ Read this manual in the order of the CONTENTS. The mark
→ For a bit number enclosed in brackets, the bit name is defined as a reserved word
→ Refer to APPENDIX C REGISTER INDEX.
→ Refer to the separate document 78K/0 Series Instructions User’s Manual
grade products. Read the part number as follows.
•
•
•
•
•
•
•
•
revised points.
in the assembler, and is already defined in the header file named sfrbit.h in the C
compiler.
(U12326E).
µ
µ
µ
µ
µ
µ
µ
µ
PD780131 →
PD780132 →
PD780133 →
PD780134 →
PD780136 →
PD780138 →
PD78F0134 →
PD78F0138 →
general electronics.
“special” quality grade, review the quality grade of each part and/or
circuit actually used.
User’s Manual U16228EJ2V0UD
µ
µ
µ
µ
µ
µ
PD780131(A), 780131(A1), 780131(A2)
PD780132(A), 780132(A1), 780132(A2)
PD780133(A), 780133(A1), 780133(A2)
PD780134(A), 780134(A1), 780134(A2)
PD780136(A), 780136(A1), 780136(A2)
PD780138(A), 780138(A1), 780138(A2)
µ
µ
PD78F0134(A), 78F0134(A1)
PD78F0138(A), 78F0138(A1)
Higher digits on the left and lower digits on the right
Footnote for item marked with Note in the text.
Information requiring particular attention
Supplementary information
Decimal
Hexadecimal ... ××××H
When using examples in this manual for the
... ×××× or ××××B
... ××××
shows major
7