DSP56309EVM Freescale Semiconductor, DSP56309EVM Datasheet - Page 257

• Manufacturer Part Number: DSP56309EVM
• Description: KIT EVALUATION FOR XC56309
• Manufacturer: Freescale Semiconductor
• Type: DSPr

Specifications of DSP56309EVM

• Contents: Module Board, Installation Guide, Power Supply, Cable, Software and more
• Description/function: Audio DSPs
• Product: Audio Modules
• For Use With/related Products: DSP56309
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Freescale Semiconductor
Application:
23 22 21 20
ESSI Control Register A (CRAx) ESSI0—X:$FFFFB5 Read/Write
Reset = $000000
Select SC1 as Tx#0 drive
enable
0 = SC1 functions as
1 = functions as driver
*
0
ESSI
serial I/O flag
enable of Tx#0
external buffer
SSC1
WL2
WL2
0
0
0
0
1
1
1
1
WL1
WL1
19 18 17 16
WL0
0
0
1
1
0
0
1
1
Alignment Control
0 = 16-bit data left aligned to bit 23
1 = 16-bit data left aligned to bit 15
ALC
Figure B-14. ESSI Control Register A (CRA)
WL0
Word Length Control
0
1
0
1
0
1
0
1
*
0
8
12
16
24
32 (data in first 24 bits)
32 (data in last 24 bits)
Reserved
Reserved
DC4
Number of bits/word
Frame Rate Divider Control
DC4:0 = $00-$1F (1 to 32)
Divide ratio for Normal mode
# of time slots for Network
15 14 13 12 11 10 9
DC3 DC2
DSP56309 User’s Manual, Rev. 1
ESSI1—X:$FFFFA5 Read/Write
DC1
DC0
PSR
*
0
Prescaler Range
0 = divide by 8
1 = divide by 1
The combination of PSR = 1 and PM[7:0] = $00 is forbidden
*
0
*
0
8
PM7
7
*
PM6
Date:
Programmer:
6
= Reserved, Program as 0
Prescale Modulus Select
PM[7–0] = $00-$FF (divide by 1 to 256)
PM5 PM4 PM3 PM2 PM1 PM0
5
4
3
Programming Sheets
Sheet 1 of 3
2
1
0
B-23