S3C821A Datasheet - Samsung semiconductor

S3C821A S3C8-SERIES MICROCONTROLLES

Table 1-1. S3C821A Pin Descriptions Pin Names P0.0 *P0.7 Pin Type I/O Pin Description 4-bit-programmable I/O port. Pull-up resistors and open-drain outputs are software assignable. Pull-up resistors are automatically disabled for output pins. Configurable as LCD segments/ external interface .

S3C821A Features

* are:

* Efficient register-oriented architecture

* Selectable CPU clock sources

* Idle and Stop power-down mode release by interrupt

* Built-in basic timer with watchdog function A sophisticated interrupt structure recognizes up to eight interrupt levels. Each level ca

S3C821A_Samsungsemiconductor.pdf