Flash Interface - Nokia RH-9 Series Ccs Technical Documentation

CCS Technical Documentation

FLASH Interface

Flash programming in production is done through the test pads (X103) on the PWB.
Flash programming is explained in section Flash Programming.
Signal
TX_D
RX_D
GND
SCK
VPP
BSI
Issue 1 11/02
Figure 25: Production/Test/After sales interface
V P P
G N D
G E N T E S T 0
(D A I C lo c k )
Table 34: Flash interface signals
Min Nom
2.7V
0V
2.7V
0V
0V
2.7V
0V
0V
0V
ãNokia Corporation
System Module & UI
F B U S T X
M B U S
F B U S R X
Max Note
3.0V
3.0V
3.0V
12V Flash programming voltage
2.7V Battery size indication. Falling edge
required for flash programming.
RH-9
Page 67