Nokia Mobile Phones NSE-5 Series Service Manual page 52

NSE–5
System Module
Pad Pad Name
No
56 VCCIO1
57 ExtMCUDa0
58 ExtMCUDa1
59 ExtMCUDa2
60 ExtMCUDa3
61 ExtMCUDa4
62 ExtMCUDa5
63 ExtMCUDa6
64 GND3
65 ExtMCUDa7
66 VCCSYS2
67 MCUGenIODa0
68 MCUGenIODa1
69 MCUGenIODa2
70 MCUGenIODa3
71 MCUGenIODa4
72 MCUGenIODa5
73 MCUGenIODa6
74 MCUGenIODa7
75 SCVCC
76 RFClk
77 RFClkGND
78 SIMCardDetX
79 SCGND
80 ROM1SelX
81 RAMSelX
82fp (ROM2SelX)
83 GND4
84fp EEPROMSelX
85 LEADVCC1
86 MCUGenIO1
87fp BuzzPWM
88fp DSPXF
Page 2 – 38
Table 10. MAD2PR1 pin list
Direction Drive +
pull
PWR
IO 2 down
IO 2 down
IO 2 down
IO 2 down
IO 2 down
IO 2 down
IO 2 down
PWR
IO 2 down
PWR
IO 2 down
IO 2 down
IO 2 down
IO 2 down
IO 2 down
IO 2 down
IO 2 down
IO 2 down
PWR
clock slicer
clock slicer system clock ref gnd input
input
threshold
cell
PWR
O 2
O 2
IO 2 up
PWR
IO 2 up
PWR
IO 2 up
IO 2 down
IO 2 up
Technical Documentation
Explanation
Vbb
lsb sram+flash data 0
sram+flash data 1
sram+flash data 2
sram+flash data 3
sram+flash data 4
sram+flash data 5
sram+flash data 6
digital gnd
msb sram+flash data 7
V_core
flash data 8
flash data 9
flash data 10
flash data 11
flash data 12
flash data 13
flash data 14
msb flash data 15
Vbb
13MHz VCTXO
to BSI terminal
speciel cell gnd
chip sel for flash
chip sel for sram
nc
digital gnd
roller
V_core
roller input
buzzer contol signal
ext flag no connection
Issue 1 07/99
PAMS
macro
functions
trust mcu
clk
trace pod
battio
nOPC
hOPC(tra
ce)