XC56309AG100A Freescale Semiconductor, XC56309AG100A Datasheet - Page 158

• Manufacturer Part Number: XC56309AG100A
• Description: IC DSP 24BIT 100MHZ 144-TQFP
• Manufacturer: Freescale Semiconductor
• Series: DSP563xxr
• Type: Fixed Pointr

Specifications of XC56309AG100A

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Enhanced Synchronous Serial Interface (ESSI)
7.5.3 ESSI Status Register (SSISR)
The SSISR is a read-only status register by which the DSP reads the ESSI status and serial input
flags.
7-26
23
11
(FSL0 = 0, FSL1 = 0)
(FSL0 = 0, FSL1 = 1)
(FSL0 = 0, FSL1 = 0)
(FSL0 = 0, FSL1 = 1)
—Reserved bit; read as 0; write to 0 0 for future compatibility.
Figure 7-10. Network Mode, External Frame Sync (8 Bit, 2 Words in Frame)
Figure 7-9. Normal Mode, External Frame Sync (8 Bit, 1 Word in Frame)
22
10
Frame SYNC
Frame SYNC
Frame SYNC
Frame SYNC
Data Out
Flags
Flags
Data
21
9
Figure 7-11. ESSI Status Register (SSISR)
20
8
(ESSI0 X:$FFFFB7, ESSI1 X:$FFFFA7)
RDF
DSP56309 User’s Manual, Rev. 1
19
7
Slot 0
SLOT 0
TDE
18
6
ROE
17
5
SLOT 1
TUE
16
4
Wait
RFS
15
3
SLOT 0
TFS
14
2
Freescale Semiconductor
IF1
13
Slot 0
1
SLOT 1
IF0
12
0