CHAPTER 1 GENERAL
1
CHAPTER 1 GENERAL
The
μ
PD784038 Subseries comprises 78K/IV Series products that can perform input/output directly with analog signals. The
78K/IV Series comprises 16-bit single-chip microcontrollers equipped with a high-performance CPU that has a function such
as accessing a 1-Mbyte memory space. The
μ
PD784038 Subseries is upward-compatible with the 78K/II Series, and has pin
compatibility with
μ
PD78234 Subseries of the 78K/II Series.
The
μ
PD784038 incorporates 128-Kbyte mask ROM and 4,352-byte RAM, plus high-performance timer/counters, an 8-bit
A/D converter, 8-bit D/A converter, PWM output function, two independent serial interface channels, etc.
The
μ
PD784031 is a ROM-less model of the
μ
PD784038 but is provided with RAM of 2,048 bytes.
The
μ
PD784035 is based on the
μ
PD784038 but is provided with 48 Kbytes of mask ROM and 2,048 bytes of RAM.
The
μ
PD784036 is based on the
μ
PD784038 but is provided with 64 Kbytes of mask ROM and 2,048 bytes of RAM.
The
μ
PD784037 is based on the
μ
PD784038 but is provided with 96 Kbytes of mask ROM and 3,584 bytes of RAM.
The
μ
PD78P4038 replaces the mask ROM of the
μ
PD784038 with PROM.
The
μ
PD784038Y Subseries is based on the
μ
PD784038 Subseries but is provided with an I
2
C bus control function.
The relation among these models is as shown below.
These models can be used in the following fields:
<
μ
PD784038 Subseries>
<
μ
PD784038Y Subseries>
LBP
Auto-focus camera
PPC
Printer
Electronic typewriter
Air conditioner
Electronic musical instruments
Cellure phone
Cellular phone
Cordless telephone
Audio/visual systems
PD78P4038Y
μ
PD78P4038
μ
PD784038Y
μ
PD784038
μ
PD784037Y
μ
PD784037
PD784036Y
μ
PD784036
μ
PD784035Y
μ
PD784035
μ
PROM
RAM
128 K
4,352
ROM
RAM
128 K
4,352
ROM
RAM
96 K
3,584
ROM
RAM
64 K
2,048
ROM
RAM
48 K
2,048
PROM models
Mask ROM models
PD784031Y
μ
PD784031
μ
ROM
RAM
None
2,048
ROM-less models