SI1020-A-GM - Silicon Labs - Product.Network

Port 0-1

Drivers

Digital Peripherals

UART

Timers

0/1/2/3

PCA/

WDT

SMBus

Priority

Crossbar

Decoder

P0.0...P1.7

P2.4...P2.7

P3.0...P6.7

Crossbar Control

Port I/O Configuration

CIP-51 8051

Controller Core

128/64/32/16 kByte

ISP Flash Program

Memory

256 Byte SRAM

SFR

Bus

8192/4096 Byte XRAM

SPI 0

Analog Peripherals

Comparators

VBAT

VDC

XTAL1

SYSCLK

System Clock

Configuration

External

Oscillator

Circuit

Precision

24.5 MHz

Oscillator

Debug /

Programming

Hardware

Power On

Reset/PMU

Reset

C2D

C2CK/RST

Wake

12-bit

75ksps

ADC

Temp

Sensor

External

VREF

Internal

VREF VDD

XTAL2

Low Power

20 MHz

Oscillator

VREF

GND

CP0, CP0 A

CP1, CP1A

Enhanced

smaRTClock

Oscillator

XTAL3

XTAL4

DC/DC Buck

Converter

IND

GNDDC

VREG Digital

Power

CRC

Engine

LCD Charge

Pump

AES

Engine

DMA

CAP

P7.0/C2D

Encoder

GND

VDD

Analog

Power

Port 2

Drivers

Port 3-6

Drivers

Port 7

Driver

RF XCVR

(240-960 MHz,

+20/+13 dBm)

30 MHz

LNA

AGC

Digital

Modem

Delta

Sigma

Modulator

Digital

Logic

Mixer

PGA

ADC

RXp

RXn

XOUT

XIN

LCD (4x32)

EMIF

Pulse Counter

EZRadioPro SPI 1

VCO

VBATDC

GPIOx

nIRQ

SDN

Si102x

Ultra Low Power, 128/64/32/16 kB, LCD MCU with

Integrated 240-960 MHz EZRadioPRO® Transceiver

Ultra-Low Power @ 3.6 V

-110 µA/MHz IBAT; DC-DC enabled

-110 nA sleep current with dat a retention; POR monitor enabled

-400 nA sleep current with smaRTClock (internal LFO)

-700 nA sleep current with smaRTClock (external XTAL)

-2 µs wake-up from any sleep mode

12-Bit; 16 ch. Analog to Digital Converter

-Up to 75 ksps 12-bit mode or 300 ksps 10-bit mode

-External pin or internal VREF (no external capacitor required)

-On-chip PGA allows measuring voltages up to twice the 

reference voltage

-Autonomous burst mode with 16-bit automatic averaging 

accumulator

-Integrated temperature sensor

Two Low Current Comparators

-Programmable hysteresis and response time

-Configurable as interrupt or reset source

Internal 6-Bit Current Reference

-Up to ±500 µA; source and sink capability

-Enhanced resolution via PWM interpolation

Integrated LCD Controller

-Supports up to 128 segments (32x4)

-Integrated charge pump for contrast control

Metering-Specific Peripherals

-DC-DC buck converter allows dynamic voltage scaling for 

maximum efficiency (250 mW output)

-Sleep-mode pulse accumulator with pro grammable switch 

de-bounce and pull-up control interfaces directly to metering sensor

-Dedicated Packet Processing Engine (DPPE) includes hardware AES,

DMA, CRC, and encoding blocks for acceleration of wireless protocols

-Manchester and 3 out of 6 encoder hardware for power efficient imple-

mentation of the wireless M-bus specification

EZRadioPRO® Transceiver

-Frequency range = 240–960 MHz

-Sensitivity = –121 dBm

-FSK, GFSK, and OOK modulation

-Max output power = +20 dBm (Si1020/1/2/ 3), +13 dBm (Si1024/25/26/

27)

-RF power consumption

-18.5 mA receive

-18 mA @ +1 dBm transmit

-30 mA @ +13 dBm transmit

-85 mA @ +20 dBm transmit

-Data rate = 0.123 to 256 kbps

-Auto-frequency calibration (AFC)

-Antenna diversity and transmit/receive switch control

-Programmable packet handler

-TX and RX 64-byte FIFOs

-Frequency hopping capability

-On-chip crystal tuning

High-S peed 8051 µC Core

-Pipelined instruction architecture; executes 70% of instructions in 1 or

2 system clocks

Memory

-Up to 128 kB Flash; In-system programmable; Full read/wr ite/erase

functionality over the entire supply range

-Up to 8 kB data retention RAM

Digital Peripherals

-53 port I/O; All 5 V tolerant with high sink 

current and programmable drive strength

-Hardware SMBus™ (I2C™ compatible), 2 x SPI™, and UART serial

ports available concurrently

-Four general-purpose 16-b i t counter/timers

-Programmable 16-bit counter/timer array with six capture/compare mod-

ules and watchdog timer

Clock Sources

-Precision internal oscillators: 24.5 MHz with ±2% accuracy supports

UART operation; spread-spectrum mode for reduced EMI

-Low power internal oscillator : 20 MHz

-External oscillator: Crystal, RC, C, CMOS clock

-smaRTClock oscillator: 32. 768 kHz crystal or 16.4 kHz internal LFO with

three independent alarms

On-Chip Debug

-On-chip debug circuitry facilit ates full speed, non-intr usive i n-system

debug (no emulator required)

-Provides 4 breakpoints, single stepping

Packages

-–85 pin LGA (6 x 8 mm)

Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc.

Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders

Si102x

Ultra Low Power, 128/64/32/16 kB, LCD MCU with

Integrated 240-960 MHz EZRadioPRO® Transceiver

Selected Electrical Specifications

Product Family

Parameter Symbol Conditions Min Typ Max Units

Active mode current IBAT VBAT = 3.6 V,

F = 20 MHz —110—µA/MHz

Active mode current IBAT F = 20 MHz LFO; DC-DC

enabled executing code from

FLASH; PCLKACT=0x00;

VBAT=3.6V

—2.2— mA

Sleep mode current IDD Sleep Mode, SmaRTClock

running, internal LFO; 3.6 V —0.4— µA

Sleep mode current IDD Sleep Mode,

SmaRTClock running,

32.768 kHz crystal; 3.6 V

—0.7— µA

Buck regulator efficiency 3.6 V input voltage — 80 — %

LCD refresh current 1 Internal LFO, LCD charge

pump disabled; 60 Hz; non-

multiplexed operation (static

mode); 3.6 V

—0.4— µA

LCD refresh current 2 Internal LFO, LCD charge

pump disabled; 60 Hz; multi-

plexed operation; 3.6 V

—0.8— µA

Supply input voltage VBAT 1.8 3.6 3.8 V

Part Number Memory (Flash/

RAM) TX Output

Power

(dBm)

I/O LCD Package (mm)

Si1020-A-GM 128 kB/8 kB 20 53 32x4 LGA85 (6x8)

Si1021-A-GM 64 kB/8 kB 20 53 32x4 LGA85 (6x8)

Si1022-A-GM 32 kB/8 kB 20 53 32x4 LGA85 (6x8)

Si1023-A-GM 16 kB/4 kB 20 53 32x4 LGA85 (6x8)

Si1024-A-GM 128 kB/8 kB 13 53 32x4 LGA85 (6x8)

Si1025-A-GM 64 kB/8 kB 13 53 32x4 LGA85 (6x8)

Si1026-A-GM 32 kB/8 kB 13 53 32x4 LGA85 (6x8)

Si1027-A-GM 16 kB/4 kB 13 53 32x4 LGA85 (6x8)