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CHAPTER 19 EXTERNAL DEVICE EXPANSION FUNCTION
481
Figure 19-6. External Memory Read Modify Write Timing
(a) When without Wait (PW1, PW0 = 0, 0) Setup
(b) When with Wait (PW1, PW0 = 0, 1) Setup
(c) When External Wait (PW1, PW0 = 1, 1) Setup
ASTB
RD
AD0 to AD7
A8 to A15
WR
Low-order
address
Read data
Write data
High-order address
ASTB
WR
AD0 to AD7
A8 to A15
Internal wait signal
(1-clock wait)
RD
Low-order
address
Read data
Write data
High-order address
ASTB
AD0 to AD7
A8 to A15
WAIT
WR
RD
Low-order
address
Read data
Write data
High-order address
Summary of Contents for 78014Y Series
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Page 62: ...www DataSheet4U com CHAPTER 2 OUTLINE PD78014Y Subseries 62 MEMO...
Page 78: ...www DataSheet4U com CHAPTER 3 PIN FUNCTION PD78014 Subseries 78 MEMO...
Page 94: ...www DataSheet4U com CHAPTER 4 PIN FUNCTION PD78014Y Subseries 94 MEMO...
Page 170: ...www DataSheet4U com CHAPTER 7 CLOCK GENERATOR 170 MEMO...
Page 222: ...www DataSheet4U com CHAPTER 9 8 BIT TIMER EVENT COUNTER 222 MEMO...
Page 230: ...www DataSheet4U com CHAPTER 10 WATCH TIMER 230 MEMO...
Page 262: ...www DataSheet4U com CHAPTER 14 A D CONVERTER 262 MEMO...
Page 318: ...www DataSheet4U com CHAPTER 15 SERIAL INTERFACE CHANNEL 0 PD78014 Subseries 318 MEMO...
Page 408: ...www DataSheet4U com CHAPTER 16 SERIAL INTERFACE CHANNEL 0 PD78014Y Subseries 408 MEMO...
Page 446: ...www DataSheet4U com CHAPTER 17 SERIAL INTERFACE CHANNEL 1 446 MEMO...
Page 472: ...www DataSheet4U com CHAPTER 18 INTERRUPT FUNCTIONS AND TEST FUNCTION 472 MEMO...
Page 502: ...www DataSheet4U com CHAPTER 22 PD78P014 78P014Y 502 MEMO...
Page 520: ...www DataSheet4U com CHAPTER 23 INSTRUCTION SET 520 MEMO...