TMS570LS0914 Datasheet, PDF (36/159 Pages) Texas Instruments – 16- and 32-Bit RISC Flash Microcontroller

TMS570LS0914
SPNS225C – JUNE 2013 – REVISED SEPTEMBER 2015
www.ti.com
4.4 Buffer Type
Table 4-40. Output Buffer Drive Strengths
Low-level Output Current, I_OL for V_I = V_OLmax
or
High-level Output Current, I_OH for V_I = V_OHmin
Signals
8mA
MIBSPI5CLK, MIBSPI5SOMI[0], MIBSPI5SOMI[1], MIBSPI5SOMI[2], MIBSPI5SOMI[3],
MIBSPI5SIMO[0], MIBSPI5SIMO[1], MIBSPI5SIMO[2], MIBSPI5SIMO[3],
TMS, TDI, TDO, RTCK,
SPI4CLK, SPI4SIMO, SPI4SOMI, SPI4NCS[0], SPI4NENA, nERROR,
N2HET2[1], N2HET2[3], N2HET2[5], N2HET2[7], N2HET2[9], N2HET2[11],
N2HET2[13], N2HET2[15]
ECAP1, ECAP4, ECAP5, ECAP6
EQEP1I, EQEP1S, EQEP2I, EQEP2S
EPWM1A, EPWM1B, EPWM1SYNCO, EPW2A, EPWM2B, EPWM3A, EPWM3B,
EPWM4A, EPWM4B, EPWM5A, EPWM5B, EPWM6A, EPWM6B, EPWM7A, EPWM7B
4mA
TEST,
MIBSPI3SOMI, MIBSPI3SIMO,
MIBSPI1CLK,
ECAP2, ECAP3
nRST
MIBSPI3CLK,
MIBSPI1SIMO,
MIBSPI1SOMI,
2mA zero-dominant
AD1EVT,
CAN1RX, CAN1TX, CAN2RX, CAN2TX, CAN3RX, CAN3TX,
GIOA[0-7], GIOB[0-7],
LINRX, LINTX,
MIBSPI1NCS[0],
MIBSPI1NCS[1-3],
MIBSPI1NENA,
MIBSPI3NENA, MIBSPI5NCS[0-3], MIBSPI5NENA,
MIBSPI3NCS[0-3],
N2HET1[0-31], N2HET2[0], N2HET2[2], N2HET2[4], N2HET2[6], N2HET2[8],
N2HET2[10], N2HET2[12], N2HET2[14], N2HET2[16], N2HET2[18],
selectable 8mA / 2mA
ECLK,
SPI2CLK, SPI2SIMO, SPI2SOMI
The default output buffer drive strength is 8mA for these signals.
Table 4-41. Selectable 8mA/2mA Control
SIGNAL
CONTROL BIT
ADDRESS
8mA (DEFAULT)
2mA
ECLK
SYSPC10[0]
0xFFFF FF78
0
1
SPI2CLK
SPI2PC9[9]
0xFFF7 F668
0
1
SPI2SIMO
SPI2SOMI
SPI2PC9[10]
SPI2PC9[11] ⁽¹⁾
0xFFF7 F668
0xFFF7 F668
0
1
0
1
(1) Either SPI2PC9[11] or SPI2PC9[24] can change the output strength of the SPI2SOMI pin. In case of a 32-bit write where these two bits
differ, SPI2PC9[11] determines the drive strength.
36
Terminal Configuration and Functions
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