Datasheet

Section 25 List of Registers
R01UH0309EJ0500 Rev. 5.00 Page 1247 of 1408
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
Register Name Abbreviation
Number
of Bits Address Module
Data
Width
Access
States
Address/data multiplexed I/O control
register
MPXCR 8 H'FECF BSC 16 2
DRAM control register L DRAMCR 16 H'FED0 BSC 16 2
DRAM access control register H DRACCRH 8 H'FED2 BSC 16 2
DRAM access control register L DRACCRL 8 H'FED3 BSC 16 2
Refresh control register REFCR 16 H'FED4 BSC 16 2
Refresh timer counter RTCNT 8 H'FED6 BSC 16 2
Refresh time constant register RTCOR 8 H'FED7 BSC 16 2
Memory address register_0AH MAR_0AH 16 H'FEE0 DMAC 16 2
Memory address register_0AL MAR_0AL 16 H'FEE2 DMAC 16 2
I/O address register_0A IOAR_0A 16 H'FEE4 DMAC 16 2
Transfer count register_0A ETCR_0A 16 H'FEE6 DMAC 16 2
Memory address register_0BH MAR_0BH 16 H'FEE8 DMAC 16 2
Memory address register_0BL MAR_0BL 16 H'FEEA DMAC 16 2
I/O address register_0B IOAR_0B 16 H'FEEC DMAC 16 2
Transfer count register_0B ETCR_0B 16 H'FEEE DMAC 16 2
Memory address register_1AH MAR_1AH 16 H'FEF0 DMAC 16 2
Memory address register_1AL MAR_1AL 16 H'FEF2 DMAC 16 2
I/O address register_1A IOAR_1A 16 H'FEF4 DMAC 16 2
Transfer count register_1A ETCR_1A 16 H'FEF6 DMAC 16 2
Memory address register_1BH MAR_1BH 16 H'FEF8 DMAC 16 2
Memory address register_1BL MAR_1BL 16 H'FEFA DMAC 16 2
I/O address register_1B IOAR_1B 16 H'FEFC DMAC 16 2
Transfer count register_1B ETCR_1B 16 H'FEFE DMAC 16 2
DMA write enable register DMAWER 8 H'FF20 DMAC 8 2
DMA terminal control register DMATCR 8 H'FF21 DMAC 8 2
DMA control register_0A DMACR_0A 8 H'FF22 DMAC 16 2
DMA control register_0B DMACR_0B 8 H'FF23 DMAC 16 2
DMA control register_1A DMACR_1A 8 H'FF24 DMAC 16 2
DMA control register_1B DMACR_1B 8 H'FF25 DMAC 16 2
DMA band control register H DMABCRH 8 H'FF26 DMAC 16 2
DMA band control register L DMABCRL 8 H'FF27 DMAC 16 2