Signal Description
PXN20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor 3-27
3.4.5.2 PE1 — GPIO (PE[1]) / eSCI_C Receive (RXD_C) / eMIOS Channel
(eMIOS[30])
PE[1] is a GPIO pin. RXD_C is the receive input pin for the eSCI C module. eMIOS[30] is an input/output
channel pin for the eMIOS200 module. PE[1] can be configured as a wakeup pin in the CRP_PWKENL
register.
3.4.5.3 PE2 — GPIO (PE[2]) / eSCI_D Transmit (TXD_D) / eMIOS Channel
(eMIOS[29])
PE[2] is a GPIO pin. TXD_D is the transmit output pin for the eSCI D module. eMIOS[29] is an
input/output channel pin for the eMIOS200 module.
3.4.5.4 PE3 — GPIO (PE[3]) / eSCI_D Receive (RXD_D) / eMIOS Channel
(eMIOS[28])
PE[3] is a GPIO pin. RXD_D is the receive input pin for the eSCI D module. eMIOS[28] is an input/output
channel pin for the eMIOS200 module. PE[3] can be configured as a wakeup pin in the CRP_PWKENL
register.
3.4.5.5 PE4 — GPIO (PE[4]) / eSCI_E Transmit (TXD_E) / eMIOS Channel
(eMIOS[27])
PE[4] is a GPIO pin. TXD_E is the transmit output pin for the eSCI E module. eMIOS[27] is an
input/output channel pin for the eMIOS200 module.
3.4.5.6 PE5 — GPIO (PE[5]) / eSCI_E Receive (RXD_E) / eMIOS Channel
(eMIOS[26])
PE[5] is a GPIO pin. RXD_E is the receive input pin for the eSCI E module. eMIOS[26] is an input/output
channel pin for the eMIOS200 module. PE[5] can be configured as a wakeup pin in the CRP_PWKENL
register.
3.4.5.7 PE6 — GPIO (PE[6]) / eSCI_F Transmit (TXD_F) / eMIOS Channel
(eMIOS[25])
PE[6] is a GPIO pin. TXD_F is the transmit output pin for the eSCI F module. eMIOS[25] is an
input/output channel pin for the eMIOS200 module.
3.4.5.8 PE7 — GPIO (PE[7]) / eSCI_F Receive (RXD_F) / eMIOS Channel
(eMIOS[24])
PE[7] is a GPIO pin. RXD_F is the receive input pin for the eSCI F module. eMIOS[24] is an input/output
channel pin for the eMIOS200 module. PE[7] can be configured as a wakeup pin in the CRP_PWKENL
register.
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