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se_k200i: preliminary analysis
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 06 Nov 2022 01:13:43 +0000
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children 4e2cb88d8427
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The core baseband chipset found inside SE K200/220 phones consists of:

* Calypso variant 751992A (C035, final DSP ROM version 3606, full 512 KiB IRAM)
* ABB: TWL3025BZ, familiar Iota
* Flash+XRAM: Spansion S71PL129NB0HFW4B (16 MiB flash, 4 MiB RAM)

Calypso MEMIF chip selects:

nCS0: flash main bank (boot)
nCS1: XRAM
nCS2: flash second bank
nCS3: currently unknown
nCS4: ditto

RF components:

* Transceiver: TRF6151CJ, familiar Rita
* PA: SKY77318
* Antenna switch: Murata LMSP43AA-191