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Old 20th March 2008   2 links from elsewhere to this Post. Click to view. #1 (permalink)
Junkiee
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Default Description Of Uem

Description Of Uem

UEM (Universal Energy Management) IC. In addition to energy management functionality UEM performs all the baseband mixed-signal functions. Current version number is UEMK. The main features of the UEM are: 168-pin uBGA package (14 x 14 mm, 0.8 pitch)
  • 32 kHz startup RC oscillator
  • Startup logic
  • Real time clock logic
  • Crystal oscillator (32 kHz)
  • Baseband regulators:
Ø VANA 2.78 V for analogue functions
Ø VIO 1.8 V for logic I/Os and UEM logic
Ø VFLASH2 2.78 V for FMRADIO
Ø VFLASH1 2.78 V for IR, LCD AND LED driver
Ø VCORE programmable 1.0 – 1.8 V (using 1.8V) for UPP
Ø VSIM 1.8/3.0 V for SIM
  • RF regulators
Ø Six 2.78 V for RF
Ø 4.75 V Charge pump for RF
Ø Two programmable (0-5mA) current regulators for
  • Charging functions
  • Bandgap reference and voltage reference needed for analogue blocks
  • FBUS and MBUS interface
  • IR interface level shifters
  • Buzzer and vibrator interface
  • Audio codec
Ø Earpiece driver
Ø Headset driver
Ø Microphone pre-amplifier
Ø Digital filter (UPP/DSP)
Ø TX programmable gain stage
Ø TX _A/D converter
Ø RX programmable attenuation stage
Ø RX _D/A converter
o One bit DAC
  • FLASH memory for IMEI code and tuning values storage
  • Security logic
  • SIM interface
  • Serial control interface
Ø DSP controlled serial bus (Dbus)
Ø MCU controlled serial bus (Cbus)
  • 11-channel A/D converter (MCU controlled)
  • Auxiliary A/D converted (DSP controlled)
  • RF interface converters
Ø AFC D/A
Ø AUX D/A
Ø TXIQ D/A
Ø RXIQ analogue _A/D converter
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Old 20th March 2008   #2 (permalink)
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Default UEM List

donlot aja deh
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Old 6th April 2008   #3 (permalink)
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donlot aja deh
THx BOS Junkiee.....Numpang donlot yaa....
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Old 16th April 2008   #4 (permalink)
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Default Can I ask U?

  • 32 kHz startup RC oscillator
  • Startup logic
  • Real time clock logic
  • Crystal oscillator (32 kHz)
  • Baseband regulators:
makasih sharenya, saya masih awam soal Hp terutama nilai RC Oscilator atau Crystal Oscilator kenapa bisa nilainya 32 Khz ya Mas Junk???
dasarnya apa ya terhadap Power Ic atau sama CPU bingung atuh...tolong dong sharenya...
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Old 16th April 2008   #5 (permalink)
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Originally Posted by chelifoche View Post
  • 32 kHz startup RC oscillator
  • Startup logic
  • Real time clock logic
  • Crystal oscillator (32 kHz)
  • Baseband regulators:
makasih sharenya, saya masih awam soal Hp terutama nilai RC Oscilator atau Crystal Oscilator kenapa bisa nilainya 32 Khz ya Mas Junk???
dasarnya apa ya terhadap Power Ic atau sama CPU bingung atuh...tolong dong sharenya...
Tentang Sleep Clock Crystal Oscillator, pada intinya CPU membutuhkan frekuensi clock yg dinamakan Crystal Clock dgn besaran 32 Khz. Jika tidak dpt supply Sleep Clock ini, ponsel akan matot, tdk bisa hidup.

Jalur Sleep Clock 32 Khz Crystal.:

32 Khz Crystal (RTC Clock = Real Time Clock) dihasilkan oleh Crystal 32 Khz, dari kedua kaki Crystal tsb, gelombang akan menuju IC Power (UEM) untuk diperkuat amplitudo tegangannya. Selanjutkan output dari UEM berupa gelombang Sleep Clock 32 Khz yg telah diperkuat akan menuju ke CPU. Dimana Sleep Clock ini merupakan salah satu kebutuhan vital untuk CPU. Juga fungsi lainnya sebagai Real Time Clock, untuk ketepatan jam.

Selain Sleep Clock, dikenal pula RF Clock 26 Mhz..
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Old 16th April 2008   #6 (permalink)
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oo begitu ya boss hawkins.... kalo hape 30 detik itu mati kenapa hapenya...??? mohon bimbingannya.... maklum masih newbie nich....
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Old 16th April 2008   #7 (permalink)
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Wah, koq bos Rifqi nih yg nanya...

O ya kalo HP DCT4 mati dalam waktu 30 detik itu karena adanya system Watchdog pada DCT4.

Saat Ponsel dinyalakan. UPP akan mencek Data1 Imei yg tersimpan di IC UEM. Data 1 ini adalah Data Imei OTP, yg tdk dpt dihapus maupun ditulis ulang. Data 1 jika rusak atau tdk valid bisa dikarenakan UEM tsb sdh rusak.

Selanjutnya UPP akan mencek pula data2 Imei yg tersimpan di IC Flash. Data2 ini adalah data yg tersimpan di IC Flash Sector 208 PM (RPl 208) yg dapat di hapus maupun ditulis ulang dgn data IMEI/RPL lainnya.

Selanjutnya UPP akan membandingkan Data1 dan Data2 Imei tsb. Jika data berbeda, maka UPP akan melakukan countdown 32 detik dari saat startup untuk mematikan ponsel. Namun jika Data1 dan Data2 sama, maka HP dapat bertahan hidup lebih dari 32 detik tsb.
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Old 17th April 2008   #8 (permalink)
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Quote:
Originally Posted by Hawkins View Post
Tentang Sleep Clock Crystal Oscillator, pada intinya CPU membutuhkan frekuensi clock yg dinamakan Crystal Clock dgn besaran 32 Khz. Jika tidak dpt supply Sleep Clock ini, ponsel akan matot, tdk bisa hidup.

Jalur Sleep Clock 32 Khz Crystal.:

32 Khz Crystal (RTC Clock = Real Time Clock) dihasilkan oleh Crystal 32 Khz, dari kedua kaki Crystal tsb, gelombang akan menuju IC Power (UEM) untuk diperkuat amplitudo tegangannya. Selanjutkan output dari UEM berupa gelombang Sleep Clock 32 Khz yg telah diperkuat akan menuju ke CPU. Dimana Sleep Clock ini merupakan salah satu kebutuhan vital untuk CPU. Juga fungsi lainnya sebagai Real Time Clock, untuk ketepatan jam.

Selain Sleep Clock, dikenal pula RF Clock 26 Mhz..
Guru gue yang satu ini emang cihuy...

Btw, itu avatar_nya kok diganti ya?
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Old 18th April 2008   #9 (permalink)
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Question ..tambahan..

Quote:
Originally Posted by Hawkins View Post
Tentang Sleep Clock Crystal Oscillator, pada intinya CPU membutuhkan frekuensi clock yg dinamakan Crystal Clock dgn besaran 32 Khz. Jika tidak dpt supply Sleep Clock ini, ponsel akan matot, tdk bisa hidup.
Tambahan sedikit ya, Boss.!!!
Besaran tsb harus 32,768Khz.
Dlm kenyataan, pernah dapat kasus Clock terukur 32,761Khz
Ponsel gx bisa hidup dg Batt n dg Box Flasher hny bisa Local Mode.
Secara teori, Clock xg termasuk normal berkisar -0,005Khz sampai +0,005Khz dr standart.

Quote:
Originally Posted by Hawkins View Post
Saat Ponsel dinyalakan. UPP akan mencek Data1 Imei yg tersimpan di IC UEM. Data 1 ini adalah Data Imei OTP, yg tdk dpt dihapus maupun ditulis ulang. Data 1 jika rusak atau tdk valid bisa dikarenakan UEM tsb sdh rusak.

Selanjutnya UPP akan mencek pula data2 Imei yg tersimpan di IC Flash. Data2 ini adalah data yg tersimpan di IC Flash Sector 208 PM (RPl 208) yg dapat di hapus maupun ditulis ulang dgn data IMEI/RPL lainnya.
Klo gx salah DATA1 = Flash n DATA2=UEM, Boss.??? ..
Soal'y hasil dg MTBox Flash Calculate hasil'y DATA1
n klo menggunakan opsi Flash&UEM Calculate hasil'y DATA1 n DATA2
Opsi Flash&UEM utk mendapatkan RPL pengisian UEM baru

Apa Gw salah tafsir.??? Sorry.. ..
Mohon dikoreksi, klo ad xg salah ..
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Old 18th April 2008   #10 (permalink)
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