MX93132

· Optimized for highly integrated digital answering machine application
· Built in DRAM controller; interface with x1,x4, x8 and x16 configuration
·One 8 bits host interface
· Maximum 9 general input pins , 23 output pins and 8 programmable bi-directional I/O pins
· One external interrupt pins
·1ms internal timer interrupt
· 64 K words program space, 64K internal , in which control code and voice prompt can be built
· 64 K words data space , 2.5 K words data RAM internal
· 45 MHz running clock , provide 30 MIPs processing power with 40 mA active current
· Built in FLL with 4.096 MHz clock as clock source to achieve 2 mA consumption in power down mode operation
· 16 x 16 multiplication and 32 bit accumulation executed in one instruction cycle
· Single cycle normalization instruction
· 32 bit barrel shifter with left/right shift 15 bits capability
· 32 level hardware stack
· 8 Auxiliary registers used in register indirect addressing.
· Zero-overhead hardware looping , maximum 8 instruction words executed repeatedly 1024 times maximum
· Built-in two PCM CODECs
· Support Digital Speakerphone application
· CODECs support 16-bit format linear data
· Support switch paths for DAM (digital answering machine) related applications
· Support two comparators for power-low and battery -low detection
· Support external L..P.F. for D/A output path
· Support external volume control
· On-chip differential line driver
· On-chip ALC (automatic level control)
· On-chip digital volume control of CODEC
· On-chip programmable receive/transmit gain control of CODEC
· Easy interface to FAX or cordless Phone
· Fabricated in 0.5 um 5V CMOS process
· 128 pins PQFP package