r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 31
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r4f2426
Manufacturer Part Number
r4f2426
Description
16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R4F2426.pdf
(1302 pages)
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Type
CPU
Interrupts
(sources)
DMA
Module/
Function
MCU operating
mode
Interrupt controller •
DMA controller
(DMAC)
Description
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Mode 1:
Mode 2:
Mode 3:
Mode 4:
Mode 7:
Power-down modes (a power-down mode is entered when the
SLEEP instruction is executed)
External interrupt pins
H8S/2426 Group, H8S/2426R Group:
H8S/2424 Group:
Internal interrupt sources
H8S/2426 Group, H8S/2426R Group: 102 sources
H8S/2424 Group: 100 sources
Two interrupt control modes (specified by the interrupt control
register)
Eight priority levels can be set (specified by the interrupt
priority registers)
Independent vector addresses
DMA transfer is possible on four channels
Three activation sources (auto-request, on-chip module
interrupt, and external request)
Byte or word can be set as the transfer unit
Short address mode or full address mode can be selected
16-Mbyte address space can be specified directly
33 pins (NMI, IRQ15-A to IRQ0-A, IRQ15-B to IRQ0-B)
17 pins (NMI, IRQ7-A to IRQ0-A, IRQ7-B to IRQ0-B)
Expanded mode with on-chip ROM disabled,
16-bit bus (MD2 and MD1 pins are low and MD0
pin is high)
Expanded mode with on-chip ROM disabled,
8-bit bus (MD2 pin is low, MD1 pin is high, and
MD0 pin is low)
Boot mode (MD2 pin is low and MD1 and MD0 pins
are high)
Expanded mode with on-chip ROM enabled,
8-bit bus (MD2 pin is high and MD1 and MD0 pins
are low)
Single-chip mode (MD2, MD1, and MD0 pins are
high)
Rev. 1.00 Sep. 19, 2008 Page 3 of 1270
Section 1 Overview
REJ09B0466-0100
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