Atmel SMART SAM4C Series User Manual page 6

3. SAM4C32-EK Hardware
3.1 Overview
This section introduces the SAM4C32-EK design. It introduces system-level concepts, such as power distribution,
memory, and interface assignments.
The Atmel SAM4C32 microcontroller is a system-on-chip solution for smart energy applications, built around two
high-performance 32-bit ARM Cortex-M4 RISC processors. These devices operate at a maximum speed of 120
MHz and feature up to 2 Mbyte of embedded Flash, 256 Kbytes of SRAM and on-chip cache for each core.
The dual ARM Cortex-M4 architecture allows for integration of application layer, communications layers and
security functions in a single device, with the ability to extend program and data memory via a 16-bit external bus
interface. The peripheral set includes an advanced cryptographic engine, two anti-tamper pins with time-stamping
function, floating point unit (FPU), five USARTs, two UARTs, two TWIs, up to seven SPIs, as well as a PWM timer,
two 3-channel general-purpose 16-bit timers, temperature compensable low-power RTC running on backup area
down to 0.5 µA, and a 50 x 6 segmented LCD controller.
The SAM4C series is a scalable platform providing, alongside Atmel's industry leading SAM4 standard
microcontrollers, unprecedented cost structure, performance and flexibility to smart meter designers worldwide.
Figure 3-1. SAM4C32-EK Board Architecture
AT24C
EEPROM
AT30TS75
Temperature Sensor
ATSHA204
CryptoAuthentication
(Optional)
4-Wire
RS232
1
6
3V3
LDO
3V3
USART2
SHDN
SAM4C32C
TWI
LQFP100
VDDBU
LCD
2-Wire
RS485
RS232
UART1
SPI, TWI, UART, ADC,...
USART0
JTAG
FWUP,
Reset
SCROLL UP,
SCROLL DOWN
Tamper 0,
Tamper 2
SAM4C32-EK [USER GUIDE]
Atmel-11253A-ATARM-SAM4C32-EK-UserGuide_17-Sep-14
XPRO RZ600
Extension Wireless
SPI 0
Serial Debug
UART
TO
USB
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