Xerox WorkCentre Pro 412 Service Manual page 68

Circuit Description
AC Characteristics (WorkCentre M15/M15i)
Addresses
CE#
OE#
WE#
Data
RY/BY#
t
VCS
V
CC
Notes:
1. PA = program address, PD = program data, D
2. Illustration shows device in word mode.
Note: Refer to the Erase/Program Operations table for t
5-30
Program Command Sequence (last two cycles)
t
t
AS
WC
555h
P A
t
CH
t
WP
t
WPH
t
CS
t
DS
t
DH
A0h
is the true data at the program address.
OUT
Figure 17. Program Operation Timings
CE#
WE#
BYTE
t
SET
(t )
AS
AS
Figure 16. BYTE# Timings for Write Operations
Read Status Data (last two cycles)
t
AH
t
WHWH1
PD
t
BUSY
The falling edge of the last WE# signal
t (t )
HOLD AH
and t specifications.
AH
3/03 WorkCentre Pro 412, FaxCentre F12 &
P A P A
D
Status
OUT
t
RB
WorkCentre M15/M15i