![background image](http://html.mh-extra.com/html/nec/mpd780973-series/mpd780973-series_preliminary-users-manual_249267068.webp)
68
CHAPTER 4 EEPROM
4.2 EEPROM Configuration
EEPROM is composed of EEPROM itself and a control area.
The control area consists of the EEPROM write control register (EEWC) that controls EEPROM writing, and
an area that generates an interrupt request signal (INTWE) upon detecting write termination.
Figure 4-1. EEPROM Block Diagram
INTWE
EWCS1 EWCS0 EWCC
EWE
EWST
EEPROM
(256
×
8 bits)
Prescaler
Read/write
controller
EEPROM timer
Data latch
f
X
Internal bus
EEPROM write control register (EEWC)
Address
latch
Write termination
Summary of Contents for mPD780973 Series
Page 2: ...2 MEMO ...
Page 66: ...66 MEMO ...
Page 98: ...98 MEMO ...
Page 138: ...138 MEMO ...
Page 164: ...164 MEMO ...
Page 182: ...182 MEMO ...
Page 204: ...204 MEMO ...
Page 244: ...244 MEMO ...
Page 262: ...262 MEMO ...
Page 278: ...278 MEMO ...
Page 290: ...290 MEMO ...