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ZHCSCI2A June 2014 – October 2018 MSP430F67621 , MSP430F67641

PRODUCTION DATA.

封装选项

机械数据 (封装 | 引脚)

PN|80
- MTQF010B
PZ|100
- MTQF013A

散热焊盘机械数据 (封装 | 引脚)

订购信息

Table 5-31 eUSCI (SPI Master Mode) Switching Characteristics

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)⁽¹⁾

PARAMETER		TEST CONDITIONS	V_CC	MIN	MAX	UNIT
t_STE,LEAD	STE lead time, STE active to clock	UCSTEM = 0, UCMODEx = 01 or 10	2 V, 3 V	150		ns
t_STE,LEAD	STE lead time, STE active to clock	UCSTEM = 1, UCMODEx = 01 or 10	2 V, 3 V	150		ns
t_STE,LAG	STE lag time, Last clock to STE inactive	UCSTEM = 0, UCMODEx = 01 or 10	2 V, 3 V	200		ns
t_STE,LAG	STE lag time, Last clock to STE inactive	UCSTEM = 1, UCMODEx = 01 or 10	2 V, 3 V	200		ns
t_STE,ACC	STE access time, STE active to SIMO data out	UCSTEM = 0, UCMODEx = 01 or 10	2 V		50	ns
		UCSTEM = 0, UCMODEx = 01 or 10	3 V		30
		UCSTEM = 1, UCMODEx = 01 or 10	2 V		50
		UCSTEM = 1, UCMODEx = 01 or 10	3 V		30
t_STE,DIS	STE disable time, STE inactive to SIMO high impedance	UCSTEM = 0, UCMODEx = 01 or 10	2 V		40	ns
		UCSTEM = 0, UCMODEx = 01 or 10	3 V		25
		UCSTEM = 1, UCMODEx = 01 or 10	2 V		40
		UCSTEM = 1, UCMODEx = 01 or 10	3 V		25
t_SU,MI	SOMI input data setup time		2 V	50		ns
t_SU,MI	SOMI input data setup time		3 V	30		ns
t_HD,MI	SOMI input data hold time		2 V	0		ns
t_HD,MI	SOMI input data hold time		3 V	0		ns
t_VALID,MO	SIMO output data valid time⁽²⁾	UCLK edge to SIMO valid, C_L = 20 pF	2 V		9	ns
t_VALID,MO	SIMO output data valid time⁽²⁾	UCLK edge to SIMO valid, C_L = 20 pF	3 V		5	ns
t_HD,MO	SIMO output data hold time⁽³⁾	C_L = 20 pF	2 V	0		ns
t_HD,MO	SIMO output data hold time⁽³⁾	C_L = 20 pF	3 V	0		ns

(1) f_UCxCLK = 1/2t_LO/HI with tL_O/HI = max(t_{VALID,MO(eUSCI)} + t_SU,SI(Slave), t_SU,MI(eUSCI) + t_{VALID,SO(Slave)})
For the slave parameters t_SU,SI(Slave) and t_{VALID,SO(Slave)}, see the SPI parameters of the attached slave.

(2) Specifies the time to drive the next valid data to the SIMO output after the output changing UCLK clock edge. See the timing diagrams in Figure 5-13 and Figure 5-14.

(3) Specifies how long data on the SIMO output is valid after the output changing UCLK clock edge. Negative values indicate that the data on the SIMO output can become invalid before the output changing clock edge observed on UCLK. See the timing diagrams in Figure 5-13 and Figure 5-14.

MSP430F67641 MSP430F67621 slas639-eUSCI_master_CKPH0.gif

Figure 5-13 SPI Master Mode, CKPH = 0

MSP430F67641 MSP430F67621 slas639-eUSCI_master_CKPH1.gif

Figure 5-14 SPI Master Mode, CKPH = 1

Table 5-32 lists the switching characteristics of the eUSCI in SPI slave mode.