TMS570LS1114 datasheet(46/169 Pages) TI1

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TMS570LS1114

SPNS188B – OCTOBER 2012 – REVISED FEBRUARY 2015

www.ti.com

Table 5-3. Thermal Resistance Characteristics (ZWT Package) (continued)

°C/W

Junction-to-package top, Still air (includes

ΨJT

5x5 thermal via cluster in 2s2p PCB

0.33

connected to 1st ground plane)

5.10 Output Buffer Drive Strengths

Table 5-4. Output Buffer Drive Strengths

LOW-LEVEL OUTPUT CURRENT,

IOL for VI=VOLmax

SIGNALS

HIGH-LEVEL OUTPUT CURRENT,

IOH for VI=VOHmin

MIBSPI5CLK,

MIBSPI5SOMI[0],

MIBSPI5SOMI[1],

MIBSPI5SOMI[2],

MIBSPI5SOMI[3],

MIBSPI5SIMO[0], MIBSPI5SIMO[1], MIBSPI5SIMO[2], MIBSPI5SIMO[3],

TMS, TDI, TDO, RTCK,

SPI4CLK, SPI4SIMO, SPI4SOMI, nERROR,

N2HET2[1], N2HET2[3], N2HET2[5], N2HET2[7], N2HET2[9], N2HET2[11], N2HET2[13],

N2HET2[15]

8 mA

ECAP1, ECAP4, ECAP5, ECAP6

EQEP1I, EQEP1S, EQEP2I, EQEP2S

EPWM1A,

EPWM1B,

EPWM1SYNCO,

ETPW2A,

EPWM2B,

EPWM3A,

EPWM3B,

EPWM4A, EPWM4B, EPWM5A, EPWM5B, EPWM6A, EPWM6B, EPWM7A, EPWM7B

EMIF_ADDR[0:12], EMIF_BA[0:1], EMIF_CKE, EMIF_CLK, EMIF_DATA[0:15], EMIF_nCAS,

EMIF_nCS[0:4], EMIF_nDQM[0:1], EMIF_nOE, EMIF_nRAS, EMIF_nWAIT, EMIF_nWE,

EMIF_RNW

TEST,

MIBSPI3SOMI, MIBSPI3SIMO, MIBSPI3CLK, MIBSPI1SIMO, MIBSPI1SOMI, MIBSPI1CLK,

4 mA

ECAP2, ECAP3

nRST

AD1EVT,

CAN1RX, CAN1TX, CAN2RX, CAN2TX, CAN3RX, CAN3TX,

GIOA[0-7], GIOB[0-7],

LINRX, LINTX,

2 mA zero-dominant

MIBSPI1nCS[0],

MIBSPI1nCS[1-3],

MIBSPI1nENA,

MIBSPI3nCS[0-3],

MIBSPI3nENA,

MIBSPI5nCS[0-3], MIBSPI5nENA,

N2HET1[0-31], N2HET2[0], N2HET2[2], N2HET2[4], N2HET2[5], N2HET2[6], N2HET2[7],

N2HET2[8], N2HET2[9], N2HET2[10], N2HET2[11], N2HET2[12], N2HET2[13], N2HET2[14],

N2HET2[15], N2HET2[16], N2HET2[18],

SPI2nCS[0], SPI2nENA, SPI4nCS[0], SPI4nENA

ECLK,

selectable 8 mA / 2 mA

SPI2CLK, SPI2SIMO, SPI2SOMI

The default output buffer drive strength is 8 mA for these signals.

Table 5-5. Selectable 8 mA/2 mA Control

Signal

Control Bit

Address

8 mA

2 mA

ECLK

SYSPC10[0]

0xFFFF FF78

SPI2CLK

SPI2PC9[9]

0xFFF7 F668

SPI2SIMO

SPI2PC9[10]

0xFFF7 F668

Specifications

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