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KG70C
6.2.2.4 Memory Part (MCP)
Memory part consists of 1 Gbits flash memory and 512 Mbits Static RAM. the Flash Memory part are
programs used for terminal operation. The programs can be changed through down loading after the
assembling of terminals. On the SRAM data generated during the terminal operation are stored
temporarily..
6.2.2.5 Power Supply Part (U400, MAX1829)
When the battery voltage (+4.2V) is fed and the PWR key of keypad is pressed, the power-up circuitry
in PM (power management) IC (U400) is activated by the PWR_ON_SW/ signal, and then the LDO
regulators embedded in PMIC for MSM are operated and +1.85V_MSMC, +2.6V_MSMP and
+2.6V_MSMA are generated.
The Rx part regulator (+2.6V_RX) is operated by the SBI(Seiral Bus Interface) control signal from
MSM6100. The Tx part regulator (+2.6V_TX) is operated by SBI(Seiral Bus Interface) control signal
from MSM6100.
2.2.6 UIM Part
6.
The MSM6100 supports RUIM.
The UIM card contains the information of phone number, PIM data, SMS data, etc.
The whole circuits are designed to operate 3.00V UIM cards
17
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