SN69040B Datasheet (SONiX)

SN69040B, LCD Controller

segment 1~24 for LCD driver Optional to be SEG25-SEG28 or P53-P50 SEG25-28: segment25~28 for LCD driver.

P53-P50: Bit3-bit0 for output port 5.

Optional to be SEG29~SEG32 or P43-P40 SEG29~32: segment29~32 for LCD driver.

P43~P40: Bit3-bit0 for output port 4.

Com1-Com4 for LCD driver.

Negative power s

SN69040B Features

* Single power supply 2.4V - 5V Built in a tiny controller Two 4-bit I/O ports and two optional 4-bit output ports are provided Built in 40K

* 10 ROM 256

* 4 bits RAM for programming usage are provided 32

* 4 bits RAM for LCD display usage are provided Maximum 16k program ROM is provided Readabl