
EM358x
Table 6.1. EM358x Pin Descriptions (Continued)
Rev 1.0
45
Pin #
Signal
Direction
Description
31
PB2
I/O Digital
I/O
SC1MISO
I
SPI master data in of Serial Controller 1
Select SPI with SC1_MODE
Select master with SC1_SPICFG
SC1MOSI
I
SPI slave data in of Serial Controller 1
Select SPI with SC1_MODE
Select slave with SC1_SPICFG
SC1SCL
I/O TWI
clock
of
Serial
Controller
1
Either disable timer output in TIM2_CCER,
or disable remap with TIM2_OR[5]
Select TWI with SC1_MODE
Select alternate open-drain output function with GPIO_PBCFGL[11:8]
SC1RXD
I
UART receive data of Serial Controller 1
Select UART with SC1_MODE
TIM2C2
(see also Pin 25)
O Timer
2
channel
2
output
Enable remap with TIM2_OR[5]
Enable timer output in TIM2_CCER
Select alternate output function with GPIO_PBCFGL[11:8]
TIM2C2
(see also Pin 25)
I Timer
2
channel
2
input
Enable remap with TIM2_OR[5]
32 SWCLK
I/O
Serial Wire clock input/output with debugger
Selected when in Serial Wire mode (see JTMS description, Pin 35)
JTCK
I
JTAG clock input from debugger
Selected when in JTAG mode (default mode, see JTMS description,
Pin 35)
Internal pull-down is enabled
Note:
1.
IRQC and IRQD external interrupts can be mapped to any digital I/O pin using the GPIO_IRQCSEL and
GPIO_IRQDSEL registers.