User Guide

NHM-8NX
System Module & UI PAMS Technical Documentation
Page 54 ãNokia Corporation Issue 1 05/02
t
ACS
Address setup time to CLK Min. 5ns
t
OE
Output enable to output valid Max. 35ns
t
CES
CE# setup time to CLK Min. 5ns
AMD Write
Write
t
WC
Write Cycle Time Min. 100ns
t
CS
CE#-low setup time Min. 0ns
t
WP
Write Pulse Width Min. 60ns
Notes:
1.D
IN
is Data input to the device.
2.DQ7# is the output of the complement of the data written to the device.
3.D
OUT
is the output of the data written to the device.
Flash Programming
Connections to Baseband
The flash programming box, FPS8, is connected to the baseband using a galvanic connec-
tor or test pads for galvanic connection. The UEM watchdog is disabled during flash pro-
gramming to prevent a hardware reset of the timer. The flash programming interface
connects the flash prommer to the UPP via the UEM and the connections correspond to a
logic level of 2.7 V. The flash prommer is connected to the UEM via the MBUS (bi-direc-
tional line), FBUS_TX, and FBUS_RX all located on the ACCDIF[2:0]. The programming
interface connections between the UEM and the UPP constitute the MBUS_TX,
MBUS_RX, FBUS_TX, and FBUS_RX lines, all located on the IACCDIF[5:0]. The interface
also uses the BSI (Battery_Size_Indicator) and the PURX signal connections for the con-