11
User’s Manual U14046EJ3V0UD
How To Read This Manual It is assumed that the reader of this manual has general knowledge in the fields of
electrical engineering, logic circuits, and microcontrollers.
For readers who use this as an (A) product:
→ Standard products differ from (A) products in their quality grade only. Re-read the
product name as indicated below if your product is an (A) product.
PD780021A → PD780021A(A)
PD780021AY → PD780021AY(A)
PD780022A → PD780022A(A)
PD780022AY → PD780022AY(A)
PD780023A → PD780023A(A)
PD780023AY → PD780023AY(A)
PD780024A → PD780024A(A)
PD780024AY → PD780024AY(A)
PD780031A → PD780031A(A)
PD780031AY → PD780031AY(A)
PD780032A → PD780032A(A)
PD780032AY → PD780032AY(A)
PD780033A → PD780033A(A)
PD780033AY → PD780033AY(A)
PD780034A → PD780034A(A)
PD780034AY → PD780034AY(A)
PD78F0034B → PD78F0034B(A) PD78F0034BY → PD78F0034BY(A)
To gain a general understanding of functions:
→ Read this manual in the order of the contents.
How to interpret the register format:
→ For the bit number enclosed in brackets, the bit name is defined as a reserved word
in RA78K0, and in CC78K0, already defined in the header file named sfrbit.h.
To check the details of a register when you know the register name:
→ See APPENDIX D REGISTER INDEX.
To know the details of the 78K/0 Series instruction functions:
→ Refer to the 78K/0 Series Instructions User’s Manual (U12326E).
To know the electrical specifications of the
PD780024A, 780034A, 780024AY,
780034AY Subseries:
→ SeeCHAPTER25 ELECTRICALSPECIFICATIONS(EXPANDED-SPECIFICATION
PRODUCTS:
fX = 1.0 TO 12 MHz) and CHAPTER 26
ELECTRICAL
SPECIFICATIONS (CONVENTIONAL PRODUCTS: fX = 1.0 TO 8.38 MHz).
Caution Examples in this manual employ the “standard” quality grade for general
electronics. When using examples in this manual for the “special” quality
grade, review the quality grade of each part and/or circuit actually used.
Differences between
PD780024A, 780034A, 780024AY, and 780034AY Subseries
The configuration of the serial interface and the resolution of the A/D converter differ on
PD780024A, 780034A,
780024AY, and 780034AY Subseries products.
Subseries
PD780024A
PD780034A
PD780024AY
PD780034AY
Item
Configuration of
3-wire serial I/O mode
2ch (SIO30, SIO31)
1ch (SIO30 only)
serial interface
UART mode
1ch
I2C mode
None
1ch
A/D converter
8-bit resolution
10-bit resolution
8-bit resolution
10-bit resolution