User Guide

Technical Documentation
NHD–4
System Module
P.A.M.S
Page 4–10
Original 11/97
Table 6. CDSB ASIC Block Connections (continued)
NotesTypeSignal Name
MCUDA I/O MCU Data Bus
XMCU_AS IN MCU Address Strobe
XMCU_RD IN MCU Read Enable
XMCU_WR IN MCU Write used as Read/Write select
MCU_NMI OUT MCU Non Maskable Interupt
MCU_INT0 OUT MCU Maskable Interupt 1
MBUS_DET IN MBUS data input.
CHRG_INT IN Signal to indicate a Charger has been connected to
Phone.
XFLASH_CS OUT Flash Chip Select
XSRAM_CS OUT SRAM Chip Select
XROM_CS OUT EEPROM Chip Select
LCD_COL I/O LCD and COL/RO lines to UIF
CDATTEN OUT SW AGC to RF
RF_LIMADJ IN
RF_SCLK OUT Serial Data Clk
RF_SDATA OUT Serial Data
RF_RX_LE OUT Latch Enable for Serial Data
RF_TXB OUT Tx Power Bias
RF_TXREF OUT REF Level for TXIP comparator
RF_AFC OUT VCTCXO control voltage
RF_AGCREF OUT Sets RXI & RXQ levels
RF_TXGAIN OUT Offsets TX gain to RX gain
RF_TXSLP OUT Correction of TX gain slope
RF_RXSLP OUT Correction of RX gain slope
RF_TXC OUT Limit maximum TX gain
RF_TXPUNC OUT
RF_VCO_EN OUT
RF_RFE0 OUT RFEN0
RF_RFE1 OUT RFEN1
RF_RFE2 OUT RFEN2
RF_RFE3 OUT FAST
RF_RFE4 OUT RX_FIL_CAL
RF_RFE5 OUT SEL0