LTP5901-IPM datasheet(22/36 Pages) LINER

22 / 36 page

LTP5901-IPM/LTP5902-IPM

59012ipmfa

For more information www.linear.com/LTP5901-IPM or www.linear.com/LTP5902-IPM

NO IPCS SPI/FLASH PROGRAMMING (NOTE 15)

TYPE

I/O

PULL DESCRIPTION

33 IPCS_MISO

TIMER16_OUT

GPIO6

I/O

SPI Flash Emulation (MISO) Master In Slave Out Port

16-Bit Timer/Counter Match Output/PWM Output

General Purpose Digital I/O

35 IPCS_MOSI

TIMER16_EXT

GPIO5

I/O

SPI Flash Emulation (MOSI) Master Out Slave In Port

External Input to 16-Bit Timer/Counter

General Purpose Digital I/O

36 IPCS_SCK

TIMER8_EXT

GPIO4

I/O

SPI Flash Emulation (SCK) Serial Clock Port

External Input to 8-Bit Timer/Counter

General Purpose Digital I/O

39 IPCS_SSn

LPTIMER_EXT

GPIO3

I/O

SPI Flash Emulation Slave Select, Active Low

External Input to Low Power Timer/Counter

General Purpose Digital I/O

51 FLASH_P_ENn

Flash Program Enable, Active Low

pin FuncTions Pin functions shown in italics are currently not supported in software.

NO I2C/1-WIRE/SPI SLAVE

TYPE

I/O

PULL DESCRIPTION

47 SPIS_MISO

UARTC1_TX

1_WIRE

I/O

SPI Slave (MISO) Master In Slave Out Port

CLI UART 1 Transmit

1 Wire Master

48 SPIS_MOSI

UARTC1_RX

GPIO26

I/O

SPI Slave (MOSI) Master Out Slave In Port

CLI UART 1 Receive

General Purpose Digital I/O

49 SPIS_SCK

SCL

I/O

SPI Slave (SCK) Serial Clock Port

I2C Serial Clock

50 SPIS_SSn

SDA

I/O

SPI Slave Select, Active Low

I2C Serial Data

NO API UART

TYPE

I/O

PULL DESCRIPTION

57 UART_RX_RTSn

1 (Note 14)

UART Receive (RTS) Request to Send, Active Low

58 UART_RX_CTSn

UART Receive (CTS) Clear to Send, Active Low

59 UART_RX

1 (Note 14)

UART Receive

60 UART_TX_RTSn

UART Transmit (RTS) Request to Send, Active Low

61 UART_TX_CTSn

1 (Note 14)

UART Transmit (CTS) Clear to Send, Active Low

62 UART_TX

UART Transmit

Note 14: These inputs are always enabled and must be driven or pulled to

a valid state to avoid leakage.

Note 15: Embedded programming over the IPCS SPI bus is only avaliable

when RESETn is asserted.

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