MotorolaC123 » History » Version 4
laforge, 02/19/2016 10:48 PM
add E88 note
| 1 | 1 | laforge | = Motorola C123 = |
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| 2 | |||
| 3 | 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. |
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| 4 | |||
| 5 | 4 | laforge | The internal name of the hardware is E88 |
| 6 | |||
| 7 | 2 | laforge | == Specifications == |
| 8 | * GSM 900 / GSM 1800 dual-band |
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| 9 | * 101x45x21 mm, 86 grams |
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| 10 | * no GPRS |
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| 11 | * 920mAh Li-Ion battery |
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| 12 | * Ti Calypso/Iota/Rita chipset |
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| 13 | |||
| 14 | 1 | laforge | == Hardware == |
| 15 | 2 | laforge | |
| 16 | === GSM Chipset === |
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| 17 | |||
| 18 | 3 | laforge | * DBB: Ti Calypso Baseband, D751749ZHH model (Calypso Lite G2), includes 256kBytes of internal SRAM |
| 19 | 2 | laforge | * ABB: Ti TWL3025BZGR |
| 20 | * RF: TRF6151C |
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| 21 | * RF PA: SKY77324-12 |
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| 22 | |||
| 23 | === NOR Flash === |
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| 24 | * Intel 28F160C3TD (16Mbits, i.e. 2 MByte) Advanced+ Boot Block Flash Memory (C3) |
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| 25 | * Data sheet will be in git |
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| 26 | |||
| 27 | === SRAM === |
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| 28 | * ESMT M24L2161128SA-70BE (128k x16, i.e. 256kByte) |
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| 29 | * Data sheet [http://www.esmt.com.tw/DB/manager/upload/M24L216128SA.pdf available from vendor] |
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| 30 | |||
| 31 | === Display === |
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| 32 | |||
| 33 | The display is a 96x64 pixels monochrome LCD, attached via I2C bus to the Calypso DBB chip. |
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| 34 | |||
| 35 | The LCD controller inside the display is a [http://www.sitronix.com.tw/sitronix/product.nsf/Doc/ST7558?OpenDocument Sitronix ST7558], |
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| 36 | for which the data sheet is available. There is a community-based |
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| 37 | [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 |
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| 38 | C language driver for it (any volunteers?) |
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| 39 | 1 | laforge | |
| 40 | === Test Points === |
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| 41 | |||
| 42 | ==== Test points surrounding Iota ==== |
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| 43 | |||
| 44 | * TP4 -- BS_TDO, the JTAG TDO signal of the Iota (connected to TDI of Calypso) |
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| 45 | * TP5 -- Iota:TESTV pin |
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| 46 | * TP7 -- Uita:CK13M, connected from Calypso:CLK13M_OUT |
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| 47 | * TP29 -- Iota:ADIN1 (VADCID) |
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| 48 | * TP111 -- Iota:UDR (USP Rx), connects to Calypso:MCUDO |
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| 49 | * TP110 -- Iota:UEN (USP Enable), connects to Calypso:MCUEN0 |
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| 50 | * TP112 -- Iota:ONNOFF |
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| 51 | * TP114 -- Intoa:ITWAKEUP, connects to Calypso:RTC_ALARM |
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| 52 | * TP113 -- Iota:RESPWONZ, connects to Calypso:RTSPWRONZ |
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| 53 | * TP116 -- Iota:TEST3 |
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| 54 | * TP117 -- Iota:TEST4 |
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| 55 | |||
| 56 | ==== Test points surrounding Calypso ==== |
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| 57 | * TP11 -- Calypso:DSR_MODEM |
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| 58 | * TP12 -- Calypso:RTS_MODEM |
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| 59 | * TP23 -- Calypso:nCS4 |
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| 60 | * TP46 -- Calypso:CLK32K_OUT, connects to Iota:CK32K |
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| 61 | * TP118 -- Calypso:EXT_IRQ, connects to Iota:INT2 |
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| 62 | * TP115 -- Calypso:EXT_FIQ, connects to Iota:INT1 |
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| 63 | * TP45 -- Calypso:SCLK (I2C) |
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| 64 | * TP30 -- Calypso:nSCS1 (I2C) |
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| 65 | * TP44 -- Calypso:SDO (I2C) |
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| 66 | * TP34 -- Calyspo:nCS2 |
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| 67 | * TP48 -- Calypso:nCS3/INT4N |
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| 68 | * TP49 -- Calypso:VRDBB_1.5V |
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| 69 | * J2 -- Calypso NM_DAI_INTERFACE (MCSI_TXD, MCSI_CLK, MCSI_RXD, MCSI_RSYNCH, GND) |
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| 70 | |||
| 71 | ==== Test points accessible from battery compartment ==== |
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| 72 | |||
| 73 | * TP27 -- DLPWR (download power on), connects to Iota:RPWON |
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| 74 | * TP14 -- RxD Modem |
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| 75 | * TP13 -- TxD Modem |
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| 76 | * TP9 -- CTS Modem |
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| 77 | * TP39 -- GND |
