SPAKDSP303AG100 Freescale Semiconductor, SPAKDSP303AG100 Datasheet - Page 229

• Manufacturer Part Number: SPAKDSP303AG100
• Description: IC DSP 24BIT 100MHZ 144-LQFP
• Manufacturer: Freescale Semiconductor
• Series: DSP563xxr
• Type: Fixed Pointr

Specifications of SPAKDSP303AG100

• Interface: Host Interface, SSI, SCI
• Clock Rate: 100MHz
• Non-volatile Memory: ROM (576 B)
• On-chip Ram: 24kB
• Voltage - I/o: 3.30V
• Voltage - Core: 3.30V
• Operating Temperature: -40°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 144-LQFP
• Device Core Size: 24b
• Clock Freq (max): 100MHz
• Mips: 100
• Device Input Clock Speed: 100MHz
• Ram Size: 24KB
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temp Range: -40C to 100C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 144
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

HI08LOOP
;========================================================================
EPRSCILD
;========================================================================
; This is the routine that loads from the SCI.
; MC:MB:MA=010 - external SCI clock
SCILD
_LOOP6
_LOOP8
_LOOP7
;========================================================================
; This is the routine that loads from external EPROM.
; MC:MB:MA=001
EPROMLD
Freescale Semiconductor
movepx:M_HRX,p:(r0)+
bra<FINISH
jclr #1,omr,EPROMLD
movep #$0302,X:M_SCR
movep #$C000,X:M_SCCR
movep #7,X:M_PCRE
do #6,_LOOP6
jclr #2,X:M_SSR,*
movep X:M_SRXL,A2
jclr #1,X:M_SSR,*
movep A2,X:M_STXL
asr #8,a,a
move a1,r0
move a1,r1
do a0,_LOOP7
do #3,_LOOP8
jclr #2,X:M_SSR,*
movep X:M_SRXL,A2
jclr #1,X:M_SSR,*
movep a2,X:M_STXL
asr #8,a,a
movem a1,p:(r0)+
bra <FINISH
move #BOOT,r2
movep #AARV,X:M_AAR1
do #6,_LOOP9
; Move the new word into its destination
; location in the program RAM
; If MC:MB:MA=001, go load from EPROM
; Configure SCI Control Reg
; Configure SCI Clock Control Reg
; Configure SCLK, TXD and RXD
; get 3 bytes for number of
; program words and 3 bytes
; for the starting address
; Wait for RDRF to go high
; Put 8 bits in A2
; Wait for TDRE to go high
; echo the received byte
; starting address for load
; save starting address
; Receive program words
; Wait for RDRF to go high
; Put 8 bits in A2
; Wait for TDRE to go high
; echo the received byte
; Store 24-bit result in P mem.
; Boot from SCI done
; r2 = address of external EPROM
; aar1 configured for SRAM types of access
; read number of words and starting address
DSP56303 User’s Manual, Rev. 2
Bootstrap Code
A-7