Hardware
in parallel outside the extended core. The SC1400 core processes the data in the buffers and the result is
transferred back to one of the ports. Figure 8 shows a block diagram of the MSC7116 device. Unlike some
devices in the MSC711x family, the MSC7116 has an Ethernet port.
128
AMDMA
JTAG Port
JTAG
DMA
(32 ch)
64
from IPBus
ASM2
128
64
64
128
M2 SRAM
(192 KB)
Boot ROM
(8 KB)
SC1400
Core
DSP
Extended
Core
ASEMI
64
from
IPBus
External
Memory
Interface
External Bus
32
Trace
Buffer
(8 KB)
ASTH
Host
Interface
(HDI16)
HDI16
Port
Fetch
Unit
64
32
2 TDMs
TDM
Instruction
Cache
(16 KB)
Extended
Core
Interface
128
64
AMIC
AMEC
ASAPB
32
APB
ASAPB
UART
GPIO
Watchdog
Interrupt
RS-232
GPIO
Interrupts
Control
32
M1
PLL/Clock
128
64
64
SRAM
(192 KB)
64
ASM1
64
ASSB
32
PLL/Clock
System Control
P XA XB
AMENT
32
to/from OCE10
Events
Ethernet
to EMI
to DMA
to Crossbar
Event Port
Timers
Note: The arrows show the
direction of the transfer.
MAC
MII/RMII
IPBus
I 2 C
I2C
Figure 8. MSC7116 Block Diagram.
The flexible 32-channel DMA controller transfers data to and from internal memory, external memory,
peripherals, the host data interface, and the TDM interfaces. The DDR-RAM memory controller enables
the SC1400 cores to access external memory devices with glueless accesses to DDR-RAM memory
devices on the system bus. For more information on the MSC711x family of DSP devices, visit the
Freescale Semiconductor web site listed on the back cover of this document.
MSC711x Packet Telephony Farm Card (SPT711xPFCE), Rev. 1
10
Freescale Semiconductor
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