参数资料
型号: SCF5249LAG120
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 120 MHz, RISC PROCESSOR, PQFP144
封装: LEAD FREE, QFP-144
文件页数: 18/56页
文件大小: 918K
代理商: SCF5249LAG120
Signal Descriptions
SCF5249 Integrated ColdFire Microprocessor Data Sheet, Rev. 3
Freescale Semiconductor
25
NOTE
JTAG operation will override the HI_Z pin.
8.19.3 Processor Clock Output
The internal PLL generates this PSTCLK/GPO63 and output signal, and is the processor clock output that
is used as the timing reference for the Debug bus timing (DDATA[3:0] and PST[3:0]). The
PSTCLK/GPO63 is at the same frequency as the core processor and cache memory. The frequency will be
twice the bus clock (SCLK) frequency.
8.19.4 Debug Data
The debug data pins, DDATA0_GPIO0, DDATA1_GPIO1, DDATA2_GPIO2, and DDATA3_GPIO4, are
four bits wide. This nibble-wide bus displays captured processor data and break-point status.
相关PDF资料
PDF描述
SCF5250CAG120 32-BIT, 120 MHz, MICROPROCESSOR, PQFP144
SCN2651C1N28 1 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PDIP28
SCN2661AC1A28-T 1 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PQCC28
SCN2661AA1F28 1 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, CDIP28
SCN68661AC1N28 1 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PDIP28
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