External Devices Connected To Memory Interface; Rf Interface (Tpu, Tsp Block); Sim Interface - LG T5100 Service Manual

2. TECHNICAL BRIEF
C. External Devices connected to memory interface
Table 2. External Device Spec. connected to memory interface
Interface SPEC
Device Name
FLASH 1-1 AM50PDL193CHH66I
FLASH 1-2 AM50PDL193CHH66I
Pseudo-SRAM AM50PDL193CHH66I
DSP SH Mobile V
Melody IC YMU762
USB IC USBN9604
LCD HD66784
D. RF Interface (TPU, TSP block)
Calypso uses this interface to control IOTA(ABB Processor) and Rita(RF Processor) with GSM Time
Base
TSP (Time Serial Port)
Resource
TSPDO
TSPEN0
TSPEN1
TPU (Time Processing Unit) Parallel Port
TSPACT00
TSPACT01
E. SIM interface
SIM interface scheme is shown in (Figure 12.).
SIM_IO, SIM_CLK, SIM_RST ports are used to communicate DBB via ABB with plugged sim card and
the Charge Pump in ABB enables 1.8V/3V SIM operation
Table 3. RF Interface Spec.
Interconnection
ABB & RF main Chip
ABB
RF main Chip
RESET_RF
PA_ON
Write Access
Maker
Time
AMD 70ns(min)
AMD 70ns(min)
AMD 70ns(min)
Renesas 80ns(max)
Yamaha 50ns
N.S 80ns
RENESAS 150ns(max)
Description
Control Data
ABB Control Data Enable Signal
RF Control Data Enable Signal
RF main Chip Reset Signal
Power Amp ON signal
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Read Access Time
70ns(min)
70ns(min)
70ns(min)
80ns(max)
80ns
80ns
150ns(max)