参数资料
型号: XRM48L950ZWTT
厂商: Texas Instruments
文件页数: 41/176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
SPNS174A – APRIL 2012 – REVISED SEPTEMBER 2013
Table 5-11. Input Timing Requirements for the N2HET Input Capture Functionality
PARAMETER
MIN(1) (2)
MAX(1) (2)
UNIT
1
Input signal period, PCNT or WCAP for rising edge
2 (hr) (lr) tc(VCLK2) + 2
225 (hr) (lr) tc(VCLK2) - 2
ns
to rising edge
2
Input signal period, PCNT or WCAP for falling edge
2 (hr) (lr) tc(VCLK2) + 2
225 (hr) (lr) tc(VCLK2) - 2
ns
to falling edge
3
Input signal high phase, PCNT or WCAP for rising
(hr) (lr) tc(VCLK2) + 2
225 (hr) (lr) tc(VCLK2) - 2
ns
edge to falling edge
4
Input signal low phase, PCNT or WCAP for falling
(hr) (lr) tc(VCLK2) + 2
225 (hr) (lr) tc(VCLK2) - 2
ns
edge to rising edge
(1)
hr = High-resolution prescaler, configured using the HRPFC field of the Prescale Factor Register (HETPFR).
(2)
lr = Loop-resolution prescaler, configured using the LFPRC field of the Prescale Factor Register (HETPFR)
Both N2HET1 and N2HET2 have channels that are enhanced to be able to capture inputs with smaller
pulse widths than that specified in Table 5-11. See Table 5-13 for a list of which pins support small pulse
capture.
The input capture capability for these channels is specified in the following table.
Table 5-12. Input Timing Requirements for N2HET Channels with Enhanced Pulse Capture
PARAMETER
MIN
MAX
UNIT
1
Input signal period, PCNT or WCAP for rising edge
(hr) (lr) tc(VCLK2) + 2
225 (hr) (lr) tc(VCLK2) - 2
ns
to rising edge
2
Input signal period, PCNT or WCAP for falling edge
(hr) (lr) tc(VCLK2) + 2
225 (hr) (lr) tc(VCLK2) - 2
ns
to falling edge
3
Input signal high phase, PCNT or WCAP for rising
2 (hr) tc(VCLK2) + 2
225 (hr) (lr) tc(VCLK2) - 2
ns
edge to falling edge
4
Input signal low phase, PCNT or WCAP for falling
2 (hr) tc(VCLK2) + 2
225 (hr) (lr) tc(VCLK2) - 2
ns
edge to rising edge
Table 5-13. Input Capture Pin Capability
Channel
Supports 32-bit Capture
Enhanced Pulse Capture
N2HET1[00]
Yes
No
N2HET1[01]
Yes
No
N2HET1[02]
Yes
No
N2HET1[03]
Yes
No
N2HET1[04]
Yes
No
N2HET1[05]
Yes
No
N2HET1[06]
Yes
No
N2HET1[07]
Yes
No
N2HET1[08]
Yes
No
N2HET1[09]
Yes
No
N2HET1[10]
Yes
No
N2HET1[11]
Yes
No
N2HET1[12]
Yes
No
N2HET1[13]
Yes
No
N2HET1[14]
Yes
No
N2HET1[15]
Yes
N2HET1[16]
Yes
No
N2HET1[17]
Yes
No
N2HET1[18]
Yes
No
N2HET1[19]
Yes
No
N2HET1[20]
Yes
Copyright 2012–2013, Texas Instruments Incorporated
Peripheral Information and Electrical Specifications
135
Product Folder Links: RM48L950 RM48L750 RM48L550
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