Betty-Hardware

Bauteile

[LCD] (auf Vorderseite)
160 x 128 Pixel (aktive Fläche ca. 38 mm ∙ 30 mm)
4 Graustufen LCD
Controller: SSD1854
Forum Press-Release Datenblatt Datenblatt
20 pins, flex connector probably glued with anisotropic adhesive - can be pulled off gently while leaving wires on flex intact.
Foto 1 2

[A] IR senden (LPC2220 Pin: 4)

[B] IR an/aus (LPC2220 Pin: 84)

[C] IR empfang (LPC2220 Pin: 32)

[1] LPC2220 - 32bit arm7tdmi-s cpu

- 64kbyte sram
- serial bootloader using uart0
- flashless
- external memory interface
  - banks: 4x16 MByte
  - 8/16/32 data width
  - memory mapped: ram, rom, some i/o
PLL-Input 10MHz Crystal

Datasheet Usermanual

[2] en29lv800 - flash speicher

- 8mbit: 1024k * 8bit / 512k * 16bit
- sector protection/unprotection
- the first (from cpu counted) is the word-mode(16-bit) CS0-BootFlash
- the second is word-mode(16-bit) CS2-Flash

Datasheet EN29LV800B

[3] SLE 66C24PE - Security Chip Card IC

- 8/16Bit Security Controller
- CMOS Technology
- 68kbyte ROM, 2304 Byte RAM, 2Kbyte EEPROM
- Dual Key Triple DES

[4] AAT3242 - dual low dropout regulator

- Channel A: 3,0V/300mA (Ue-Ua > 400mV)
- Channel B: 1,8V/150mA (Ue-Ua > 200mV)

Datasheet AAT3242

[5] AAT1265 - Step-up DC/DC converter

- 3,6V output
- 100mA Output from a Single AA Cell Input
- 250mA Output from a Dual AA Cell Input
- 400mA Output from a Single Lithium-Ion Cell Input
- VIN Operation Range: 0.8V to VOUT
- Up to 93% Efficiency
- Low Start-Up Voltage: 1.0V Typical
- Internal Synchronous Rectifier
- Current Mode Control with Internal Feedback and Compensation
- 2MHz Fixed Switching Frequency
- 1A Current Limit
- Maintains High Efficiency Over the Output Current Range for Improved Battery Life
- Low 40μA No Load Bias Current
- True Load Disconnect
- Short-Circuit and Over-Current Protection
- Inrush Current Limit and Soft Start
- Low Shutdown Current: <1.0μA

Datasheet AAT1265

[6] Fill me!

[7] PCF8563

- RTC-Chip with I2C-Connect
- I2C-bus slave address: read A3h and write A2h

Datasheet Appnote

[8]

- LM4876M
- 1.1W Audio Power Amplifier with Logic Low Shutdown

Datasheet Overview

[9]

- LM393 Dual Komparator - digitalisiert Signal von der IR-LED zum Empfang.

Datasheet Overview

[10] Fill me!

[11] 27MHz Quarz

crystal for cc1100

[12] RF transceiverCC1100

- 315/433/868/915 MHz
- 2x64byte rx, tx fifo
- spi interface

Datasheet Overview

Alle Chips sind rot markiert und nebenan beschrieben

Anschlussbelegung

Service-Stecker (Batteriefach)

TMS      1  2    TDO
TDI      3  4    RTCK
nTRST    5  6    TCK
3,3V     7  8    GND
nReset   9  10   Bootloader EN, Aktiv = LOW (EINT1)
RX      11  12   TX

Besseres Bild: http://www.grautier.com/grautier/uploads/Elektronik/Betty/RIMG0001.JPG