RD-0002-0201 Datasheet, PDF (43/59 Pages) Silicon Laboratories – High-Performance, Integrated ZigBee/802.15.4 System-on-Chip Family

EM358x
Table 6.1. EM358x Pin Descriptions (Continued)
Pin #
Signal
Direction
Description
26
PA4
I/O Digital I/O
ADC4
Analog ADC Input 4
Select analog function with GPIO_PACFGH[3:0]
PTI_EN
O
Frame signal of Packet Trace Interface (PTI)
Disable trace interface in ARM core
Enable PTI in Ember software
Select alternate output function with GPIO_PACFGH[3:0]
TRACEDATA2
O
Synchronous CPU trace data bit 2
(see also Pin 36)
Select 4-wire synchronous trace interface in ARM core
Enable trace interface in ARM core
Select alternate output function with GPIO_PACFGH[3:0]
27
PA5
I/O Digital I/O
ADC5
Analog ADC Input 5
Select analog function with GPIO_PACFGH[7:4]
PTI_DATA
O
Data signal of Packet Trace Interface (PTI)
Disable trace interface in ARM core
Enable PTI in Ember software
Select alternate output function with GPIO_PACFGH[7:4]
nBOOTMODE
I
Activate FIB monitor instead of main program or bootloader when coming
out of reset.
Signal is active during and immediately after a reset on nRESET. Refer to
section 7.5, Boot Configuration, in Chapter 7, GPIO, of the Ember EM358x
Reference Manual for details.
TRACEDATA3
O
Synchronous CPU trace data bit 3
(see also Pin 38)
Select 4-wire synchronous trace interface in ARM core
Enable trace interface in ARM core
Select alternate output function with GPIO_PACFGH[7:4]
28
VDD_PADS
Power Pads supply (2.1–3.6 V)
29
PA6
I/O Digital I/O
High cur-
rent
TIM1C3
TIM1C3
O
Timer 1 channel 3 output
Enable timer output in TIM1_CCER
Select alternate output function with GPIO_PACFGH[11:8]
I
Timer 1 channel 3 input
Cannot be remapped
Note:
1. IRQC and IRQD external interrupts can be mapped to any digital I/O pin using the GPIO_IRQCSEL and
GPIO_IRQDSEL registers.
Rev 1.0
43