EM357-RTR Ember, EM357-RTR Datasheet - Page 14

• Manufacturer Part Number: EM357-RTR
• Description: IC RF TXRX ZIGBEE 192KB 48QFN
• Manufacturer: Ember

Specifications of EM357-RTR

• Frequency: 2.4GHz
• Data Rate - Maximum: 250kbps
• Modulation Or Protocol: 802.15.4 Zigbee
• Applications: General Purpose
• Power - Output: 5dBm
• Sensitivity: -100dBm
• Voltage - Supply: 2.1 V ~ 3.6 V
• Current - Receiving: 26mA
• Current - Transmitting: 31mA
• Data Interface: PCB, Surface Mount
• Memory Size: 192kB Flash, 12kB RAM
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 636-1011-2

1
Pin # Signal
41
42
43
44
45
46
47
48
49
IRQC and IRQD external interrupts can be mapped to any digital I/O pin using the GPIO_IRQSEL and GPIO_IRQDSEL registers.
TRACEDATA1
PB7
ADC2
IRQC
TIM1C2
TIM1C2
PB6
ADC1
IRQB
TIM1C1
TIM1C1
PB5
ADC0
TIM2CLK
TIM1MSK
VDD_CORE
VDD_PRE
VDD_SYNTH
OSCB
OSCA
GND
1
Direction
I/O
High
current
Analog
I
O
I
I/O
High
current
Analog
I
O
I
I/O
Analog
I
I
Power
Power
Power
I/O
I/O
Ground
O
Description
Synchronous CPU trace data bit 1
Select 2- or 4-wire synchronous trace interface in ARM core
Enable trace interface in ARM core
Select alternate output function with GPIO_PCCFGL[3:0]
Digital I/O
ADC Input 2
Enable analog function with GPIO_PBCFGH[15:12]
Default external interrupt source C
Timer 1 channel 2 output
Enable timer output in TIM1_CCER
Select alternate output function with GPIO_PBCFGH[15:12]
Timer 1 channel 2 input
Cannot be remapped
Digital I/O
ADC Input 1
Enable analog function with GPIO_PBCFGH[11:8]
External interrupt source B
Timer 1 channel 1 output
Enable timer output in TIM1_CCER
Select alternate output function with GPIO_PBCFGH[11:8]
Timer 1 channel 1 input
Cannot be remapped
Digital I/O
ADC Input 0
Enable analog function with GPIO_PBCFGH[7:4]
Timer 2 external clock input
Timer 1 external clock mask input
1.25 V digital core supply decoupling
1.8 V prescaler supply
1.8 V synthesizer supply
24 MHz crystal oscillator or left open when using external clock input on
OSCA
24 MHz crystal oscillator or external clock input. External clock input is
a 1.8 V square wave.
Ground supply pad in the bottom center of the package forms Pin 49.
See Ember’s various EM35x Reference Design documentation for PCB
considerations.
Final
1-9
EM351 / EM357
120-035X-000G