UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 638
UPD784026
Manufacturer Part Number
UPD784026
Description
16/8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD784026.pdf
(759 pages)
- Current page: 638 of 759
- Download datasheet (3Mb)
21.3 PSEUDO-STATIC RAM REFRESH FUNCTION
is specified by the refresh mode register (RFM) setting.
the same time as memory access operations. This enables bus cycle insertions for refresh operations to be greatly
decreased, thus minimizing the reduction in performance due to refresh operations.
a pseudo-static RAM application system.
598
The PD784026 incorporates a pseudo-static RAM refresh function for direct connection of pseudo-static RAM.
The pseudo-static RAM refresh function outputs refresh pulses at any desired intervals. The refresh pulse output interval
The refresh area specification register (RFA) specifies the addresses on which refresh operations can be performed at
The PD784026 is provided with a function for supporting self-refresh operations that offers low power consumption by
Cautions 1.
2. The pseudo-static RAM refresh function does not operate normally with an in-circuit emulator. For
The refresh function cannot be used when the bus hold function is used.
details, refer to 21.5 CAUTIONS.
CHAPTER 21 LOCAL BUS INTERFACE FUNCTION
Related parts for UPD784026
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Renesas Technology Corp [Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series]
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
RENESAS MCU M16C FAMILY / M16C/Tiny SERIES
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas Starter Kit for RX210
Manufacturer:
Renesas Electronics Corporation.
Part Number:
Description:
EVALBOARD/Renesas StarterKit for RX630
Manufacturer:
Renesas Electronics Corporation.
Part Number:
Description:
EVALBOARD/Renesas Starter Kit+ for RX63N
Manufacturer:
Renesas Electronics Corporation.
Part Number:
Description:
EVALBOARD/Renesas Starter Kit
Manufacturer:
Renesas Electronics Corporation.
Part Number:
Description:
FLASH PROGRAMMER FOR RENESAS MICROCONTROLLERS
Manufacturer:
Renesas Electronics Corporation.
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Manufacturer:
Renesas Electronics Corporation.
Datasheet: