317
Reset
WDDR7
Reset
WDR7
P7n
RDR7
RPFCR2
RPOR7
Reset
WPFCR2
DMA controller
*
DMA transfer end enable
DMA transfer end
EXDMA controller
EXDMA transfer end enable
EXDMA transfer end
Modes 1, 2, 4, 5, 6
Mode 7
System controller
EXPE
WDDR7: Write to P7DDR
WDR7:
Write to P7DR
WPFCR2: Write to PFCR2
RPOR7:
Read port 7
RDR7: Read
P7DR
RPFCR2: Read PFCR2
n = 2 or 3
R
P7nDDR
C
Q
D
R
P7nDR
C
Q
D
R
Q
D
C
DMACS
PFCR2
Internal data bus
Note:
*
Output enable signal
Priority order: Modes 1, 2, 4, 5, 6, 7 (EXPE = 1)
Mode 7 (EXPE = 1)
DMACS = 1
DMACS = 1
EXDMAC
>
DMAC
>
DR
DMAC
>
DR
DMACS = 0
DMACS = 0
EXDMAC
>
DR
DR
Figure 5.39 Port 7 Block Diagram (b) (Pins P72 and P73)
Summary of Contents for H8S/2670
Page 5: ......
Page 9: ......
Page 199: ...182 ...
Page 361: ...344 ...
Page 393: ...376 ...
Page 647: ...630 ...