UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 41

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

78K/IV series comprises 16-bit single-chip microcontrollers equipped with a high-performance CPU that has a function such as
accessing a 1M-byte memory space. The PD784026 subseries is upward-compatible with the 78K/II series, and has pin
compatibility with PD78234 subseries of the 78K/II series.
A/D converter, 8-bit D/A converter, PWM output function, two independent serial interface channels, etc.
The PD784026 subseries comprises 78K/IV series products that can perform input/output directly with analog signals. The
The PD784026 incorporates 64K-byte mask ROM and 2048-byte RAM, plus high-performance timer/counters, an 8-bit
The PD784020 is a verision of the PD784026 with no mask ROM, and with 512-byte RAM.
The PD784021 is a version of the PD784026 with no mask ROM.
The PD784025 is a version of the PD784026 with 48K-byte mask ROM.
The PD78P4026 has PROM instead of the mask ROM of the PD784026.
These products can be used in the following application areas:
• LBPs
• Auto-focus cameras
• PPCs
• Printers
• Electric typewriters
• Air conditioners
• Electronic musical instruments
• Cellular phones, etc
Internal PROM Product
PD78P4026
PROM 64 K
RAM
2048
CHAPTER 1
Internal Mask ROM Products
PD784026
PD784025
ROM 48 K
RAM 2048
GENERAL
ROM 64 K
RAM 2048
ROM-less Product
PD784021
PD784020
RAM 512
RAM 2048
1