参数资料
型号: XRM48L950ZWTT
厂商: Texas Instruments
文件页数: 25/176页
文件大小: 0K
描述: MCU 16/32Bit FLASH 3MB 337NFBGA
标准包装: 1
系列: Hercules™ ARM® RM4x
应用: 工业安全,医疗
核心处理器: ARM? Cortex? - R4F
程序存储器类型: 闪存(3MB)
控制器系列: RM4
RAM 容量: 256K x 8
接口: CAN,以太网,I²C,LIN,MibSPI,SCI,SPI,USB
输入/输出数: 120
电源电压: 1.14 V ~ 3.6 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 337-LFBGA
包装: 托盘
供应商设备封装: 337-NFBGA(16x16)
其它名称: 296-29390
HCLK
DMMCLK
DMMSYNC
DMMDATA
DMMnENA
D00
D01
D10
D11
D20
D21
D30
D31
D40
D41
D50
SPNS174A – APRIL 2012 – REVISED SEPTEMBER 2013
Table 4-48. DMMDATA Timing
Parameter
MIN
Description
tssu(DMM)
2ns
SYNC active to clk falling edge setup time
tsh(DMM)
3ns
clk falling edge to SYNC deactive hold time
tdsu(DMM)
2ns
DATA to clk falling edge setup time
tdh(DMM)
3ns
clk falling edge to DATA hold time
Figure 4-29. DMMnENA Timing
Figure 4-29 shows a case with 1 DMM packet per 2 DMMCLK cycles (Mode = Direct Data Mode, data
width = 8, portwidth = 4) where none of the packets received by the DMM are sent out, leading to filling up
of the internal buffers. The DMMnENA signal is shown asserted, after the first two packets have been
received and synchronised to the HCLK domain. Here, the DMM has the capacity to accept packets D4x,
D5x, D6x, D7x. Packet D8 would result in an overflow. Once DMMnENA is asserted, the DMM expects to
stop receiving packets after 4 HCLK cycles; once DMMnENA is de-asserted, the DMM can handle
packets immediately (after 0 HCLK cycles).
120
System Information and Electrical Specifications
Copyright 2012–2013, Texas Instruments Incorporated
Product Folder Links: RM48L950 RM48L750 RM48L550
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