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Rev. 2.0, 11/00, page 278 of 1037
11.8.4
Operation
Port 6 can be used as a realtime output port or general I/O output port by PMR6. Port 6
functions as a realtime output port when PMR6 = 1 and as a general I/O port when PMR6 = 0.
The operation per port 6 function is shown below. (See figure 11.2.)
P6/RP
RTPEGR write
[Legend]
PMR6
PCR6
PDR6
PCRS6
PDRS6
RTPSR
RTPEGR
HSW
TRIG
: Port mode register 6
: Port control register 6
: Port data register 6
: Port control register slave 6
: Port data register slave 6
: Realtime output trigger select register
: Realtime output trigger edge select register
: Internal trigger signal
: External trigger pin
RTPSR write
RMR6 write
RDR6 write
RCR6 write
RDR6 read
RTPEGR
Selection
circuit
Selection
circuit
Internal data bus
External trigger
TRIG
Internal trigger
HSW
CK
RTPSR
CK
RMR6
CK
RDR6
CK
RCR6
CK
RDRS6
CK
RCRS6
CK
Figure 11.2 Port 6 Function Block Diagram
Summary of Contents for Hitachi H8S/2191
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