參數(shù)資料
型號(hào)： MSC8122TVT6400V
廠(chǎng)商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
元件分類(lèi)： 數(shù)字信號(hào)處理
英文描述： Quad Core 16-Bit Digital Signal Processor
中文描述： 四核16位數(shù)字信號(hào)處理器
文件頁(yè)數(shù)： 7/88頁(yè)
文件大小： 983K
代理商： MSC8122TVT6400V
Features
MSC8122 Technical Data, Rev. 13
Freescale Semiconductor
vii
UART
Two signals for transmit data and receive data.
No clock, asynchronous mode.
Can be serviced either by the SC140 DSP cores or an external host on the system bus or the DSI.
Full-duplex operation.
Standard mark/space non-return-to-zero (NRZ) format.
13-bit baud rate selection.
Programmable 8-bit or 9-bit data format.
Separately enabled transmitter and receiver.
Programmable transmitter output polarity.
Two receiver wake-up methods:
—Idle line wake-up.
—Address mark wake-up.
Separate receiver and transmitter interrupt requests.
Nine flags, the first five can generate interrupt request:
—Transmitter empty.
—Transmission complete.
—Receiver full.
—Idle receiver input.
—Receiver overrun.
—Receiver active.
—Noise error.
—Framing error.
—Parity error.
Receiver framing error detection.
Hardware parity checking.
1/16 bit-time noise detection.
Maximum bit rate 6.25 Mbps.
Single-wire and loop operations.
32 bidirectional signal lines that either serve the peripherals or act as programmable I/O ports.
Each port can be programmed separately to serve up to two dedicated peripherals, and each port supports
open-drain output mode.
Booting from a serial EEPROM.
Uses GPIO timing.
Two modules of 16 timers each.
Cyclic or one-shot.
Input clock polarity control.
Interrupt request when counting reaches a programmed threshold.
Pulse or level interrupts.
Dynamically updated programmed threshold.
Read counter any time.
Watchdog mode for the timers that connect to the device.
Eight coded hardware semaphores, locked by simple write access without need for read-modify-write mechanism.
General-Purpose I/O
(GPIO) Port
I
2
C Software Module
Timers
Hardware
Semaphores
Global Interrupt
Controller (GIC)
Consolidation of chip maskable interrupt and non-maskable interrupt sources and routing to INT_OUT,
NMI_OUT, and to the cores.
Generation of 32 virtual interrupts (eight to each SC140 core) by a simple write access.
Generation of virtual NMI (one to each SC140 core) by a simple write access.
Low power CMOS design.
Separate power supply for internal logic (1.2 V or 1.1 V) and I/O (3.3 V).
Low-power standby modes.
Optimized power management circuitry (instruction-dependent, peripheral-dependent, and mode-dependent).
0.8 mm pitch flip-chip plastic ball-grid array (FC-PBGA) with lead-free or lead-bearing spheres.
431-connection (ball).
20 mm
×
20 mm.
The real-time operating system (RTOS) fully supports device architecture (multi-core, memory hierarchy, ICache,
timers, DMA controller, interrupts, peripherals), as follows:
High-performance and deterministic, delivering predictive response time.
Optimized to provide low interrupt latency with high data throughput.
Preemptive and priority-based multitasking.
Fully interrupt/event driven.
Small memory footprint.
Comprehensive set of APIs.
Reduced Power
Dissipation
Packaging
Real-Time Operating
System (RTOS)
Feature
Description
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