RTD2120 Datasheet - Realtek

RTD2120 8051 Embedded Micro Controller

1. CLKO2( XFR FF01[1] ) default value 1 à 0 2. PLL_TEST(XFR FF10[7] ) à PLL_STA 3. revise the “Reset table” revise the SFR table à delete address 93 , B3 add PWM description add power supply current add description “All NC pin must be left unconnected or be connected to GND.” Date 2006/2/9 1.03 1.

RTD2120 Features

* l l l l l l l l l l l l l l l l l l l Operating voltage range : 3.0V to 3.6V 8051 core, CPU operating frequency up to 50MHz 4 clocks per machine cycle 256-byte internal RAM 512-byte external data RAM, including 256-byte DDC RAM(128-byte x 2) and 256-byte general purpose RAM 96K-byte flash memory, 64

RTD2120_Realtek.pdf