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Appendix B Internal I/O Register

B.1 Address

Address

Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Module

Name

Data Bus

Width

H'EBC0 to MRA SM1 SM0 DM1 DM0 MD1 MD0 DTS Sz DTC 8/16/32*

H'EFBF MRB CHNE DISEL ——————

SAR

DAR

CRA

CRB

H'F800 MCR MCR7 — MCR5 — — MCR2 MCR1 MCR0 HCAN 8/16

H'F801 GSR ————GSR3 GSR2 GSR1 GSR0

H'F802 BCR BCR7 BCR6 BCR5 BCR4 BCR3 BCR2 BCR1 BCR0

H'F803 BCR15 BCR14 BCR13 BCR12 BCR11 BCR10 BCR9 BCR8

H'F804 MBCR MBCR7 MBCR6 MBCR5 MBCR4 MBCR3 MBCR2 MBCR1 —

H'F805 MBCR15 MBCR14 MBCR13 MBCR12 MBCR11 MBCR10 MBCR9 MBCR8

H'F806 TXPR TXPR7 TXPR6 TXPR5 TXPR4 TXPR3 TXPR2 TXPR1 —

H'F807 TXPR15 TXPR14 TXPR13 TXPR12 TXPR11 TXPR10 TXPR9 TXPR8

H'F808 TXCR TXCR7 TXCR6 TXCR5 TXCR4 TXCR3 TXCR2 TXCR1 —

H'F809 TXCR15 TXCR14 TXCR13 TXCR12 TXCR11 TXCR10 TXCR9 TXCR8

H'F80A TXACK TXACK7 TXACK6 TXACK5 TXACK4 TXACK3 TXACK2 TXACK1 —

H'F80B TXACK15 TXACK14 TXACK13 TXACK12 TXACK11 TXACK10 TXACK9 TXACK8

H'F80C ABACK ABACK7 ABACK6 ABACK5 ABACK4 ABACK3 ABACK2 ABACK1 —

H'F80D ABACK15 ABACK14 ABACK13 ABACK12 ABACK11 ABACK10 ABACK9 ABACK8

H'F80E RXPR RXPR7 RXPR6 RXPR5 RXPR4 RXPR3 RXPR2 RXPR1 RXPR0

H'F80F RXPR15 RXPR14 RXPR13 RXPR12 RXPR11 RXPR10 RXPR9 RXPR8

H'F810 RFPR RFPR7 RFPR6 RFPR5 RFPR4 RFPR3 RFPR2 RFPR1 RFPR0

H'F811 RFPR15 RFPR14 RFPR13 RFPR12 RFPR11 RFPR10 RFPR9 RFPR8

H'F812 IRR IRR7 IRR6 IRR5 IRR4 IRR3 IRR2 IRR1 IRR0

H'F813 — — — IRR12 — — IRR9 IRR8

Hitachi H8S/2646 User Manual

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