MotorolaC123 » History » Revision 3
Revision 2 (laforge, 02/19/2016 10:48 PM) → Revision 3/24 (laforge, 02/19/2016 10:48 PM)
= Motorola C123 =
The C123 seems to be one of many ODM phones that Motorola bought from Compal communications in Taiwan. It seems (nearly?) identical with the C118.
== Specifications ==
* GSM 900 / GSM 1800 dual-band
* 101x45x21 mm, 86 grams
* no GPRS
* 920mAh Li-Ion battery
* Ti Calypso/Iota/Rita chipset
== Hardware ==
=== GSM Chipset ===
* DBB: Ti Calypso Baseband, D751749ZHH model (Calypso Lite G2), includes 256kBytes of internal SRAM
* ABB: Ti TWL3025BZGR
* RF: TRF6151C
* RF PA: SKY77324-12
=== NOR Flash ===
* Intel 28F160C3TD (16Mbits, i.e. 2 MByte) Advanced+ Boot Block Flash Memory (C3)
* Data sheet will be in git
=== SRAM ===
* ESMT M24L2161128SA-70BE (128k x16, i.e. 256kByte)
* Data sheet [http://www.esmt.com.tw/DB/manager/upload/M24L216128SA.pdf available from vendor]
=== Display ===
The display is a 96x64 pixels monochrome LCD, attached via I2C bus to the Calypso DBB chip.
The LCD controller inside the display is a [http://www.sitronix.com.tw/sitronix/product.nsf/Doc/ST7558?OpenDocument Sitronix ST7558],
for which the data sheet is available. There is a community-based
[https://calypso.gnumonks.org/trac/browser/phone/motorola_compal/C115/example_project driver implemented in PIC16 assembly] (in our git repository. We need a proper
C language driver for it (any volunteers?)
=== Test Points ===
==== Test points surrounding Iota ====
* TP4 -- BS_TDO, the JTAG TDO signal of the Iota (connected to TDI of Calypso)
* TP5 -- Iota:TESTV pin
* TP7 -- Uita:CK13M, connected from Calypso:CLK13M_OUT
* TP29 -- Iota:ADIN1 (VADCID)
* TP111 -- Iota:UDR (USP Rx), connects to Calypso:MCUDO
* TP110 -- Iota:UEN (USP Enable), connects to Calypso:MCUEN0
* TP112 -- Iota:ONNOFF
* TP114 -- Intoa:ITWAKEUP, connects to Calypso:RTC_ALARM
* TP113 -- Iota:RESPWONZ, connects to Calypso:RTSPWRONZ
* TP116 -- Iota:TEST3
* TP117 -- Iota:TEST4
==== Test points surrounding Calypso ====
* TP11 -- Calypso:DSR_MODEM
* TP12 -- Calypso:RTS_MODEM
* TP23 -- Calypso:nCS4
* TP46 -- Calypso:CLK32K_OUT, connects to Iota:CK32K
* TP118 -- Calypso:EXT_IRQ, connects to Iota:INT2
* TP115 -- Calypso:EXT_FIQ, connects to Iota:INT1
* TP45 -- Calypso:SCLK (I2C)
* TP30 -- Calypso:nSCS1 (I2C)
* TP44 -- Calypso:SDO (I2C)
* TP34 -- Calyspo:nCS2
* TP48 -- Calypso:nCS3/INT4N
* TP49 -- Calypso:VRDBB_1.5V
* J2 -- Calypso NM_DAI_INTERFACE (MCSI_TXD, MCSI_CLK, MCSI_RXD, MCSI_RSYNCH, GND)
==== Test points accessible from battery compartment ====
* TP27 -- DLPWR (download power on), connects to Iota:RPWON
* TP14 -- RxD Modem
* TP13 -- TxD Modem
* TP9 -- CTS Modem
* TP39 -- GND