Tektronix 1502C - Page 106

Circuit Descriptions
1502C MTDR Service Manual
5–39
CS
PRAM
RD
WR
WR
0E
RD
WR
on RAM
on RAM
D7-D0
Read Data from
Internal Register
Write Data to
Internal Register
Read and Write for Internal Register Timing
Read Data from
Display Memory
to CPU
Read Data from
Display Memory
to Controller
Write Data to
Display Memory
from CPU
Figure 5–21: CPU and Display Memory Interface
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