User Guide

NSB-5
System Module PAMS Technical Documentation
Page 38 Nokia Mobile Phones Ltd. Issue 1 03/01
M5 MCURdX O 2 MCU read strobe MCU read strobe – OE
to memories
N5 MCUWrX O 2 MCU write strobe MCU write strobe – WE
to memories
A6 COBBACSX O 2 Chip select for COBBA COBBA chip select
B6 VCC_IO PWR I/O power VBB
C6 COBBAClk O 4 COBBA clock, 13MHz COBBA clk (RFIclk)
D6 AccRxData I Accessory Rx data,
Flash_Rx
Accessory Rx data,
Flash_Rx (FBUS_Rx)
K6 ExtMCUDa0 I/O 2/down MCU data bus SRAM/FLASH data 0
L6 ExtMCUDa1 I/O 2/down MCU data bus SRAM/FLASH data 1
M6 ExtMCUDa2 I/O 2/down MCU data bus SRAM/FLASH data 2
N6 ExtMCUDa3 I/O 2/down MCU data bus SRAM/FLASH data 3
A7 COBBASDa I/O 2 Transfer of control data Transfer of control data
(COBBA SD)
B7 VCC_CORE PWR Core power Core power – supplied
from CCONT V2V
C7 COBBAIDa I/O 2 Bidirectional transfer of in-
phase samples
Bidirectional transfer of
in-phase samples
(COBBA Idata)
D7 COBBAQDa I/O 2 Bidirectional transfer of
quadrature samples
Bidirectional transfer of
quadrature samples
(COBBA Qdata)
K7 VCC_IO PWR I/O power VBB
L7 ExtMCUDa4 I/O 2/down MCU data bus SRAM/FLASH data 4
M7 ExtMCUDa5 I/O 2/down MCU data bus SRAM/FLASH data 5
N7 ExtMCUDa6 I/O 2/down MCU data bus SRAM/FLASH data 6
A8 PCMSClk I/O Down Transmit frame sync, FSX Transmit frame sync,
FSX (to COBBA)
B8 PCMDClk I/O Down Transmit clock, CLKX Transmit clock, CLKX (to
COBBA)
C8 PCMIO I/O ROLLER_A – Input bit
for roller
D8 DSPXF I/O 2/up External flag External flag – NC
K8 MCUGenIODa2 I/O 2/down General purpose I/O port –
MCU data in 16-bit mode
FLASH data 10
L8 MCUGenIODa1 I/O 2/down General purpose I/O port –
MCU data in 16-bit mode
FLASH data 9
M8 MCUGenIODa0 I/O 2/down General purpose I/O port –
MCU data in 16-bit mode
FLASH data 8