S3C9644 microcontrollers equivalent, sam87ri family of 8-bit single-chip cmos microcontrollers.
CPU
* SAM87RI CPU core Timer/Counter
* One 8-bit basic timer for watchdog function and programmable oscillation stabilization interval generation function One 8-b.
with varied memory and I/O requirements. Timer/counters with selectable operating modes are included to support real-tim.
Table 1-1. S3C9644/C9648/P6408 Pin Descriptions Pin Names P0.0-P0.7 Pin Type I/O Pin Description Bit-programmable I/O port for Schmitt trigger input or open-drain output. Port0 can be individually configured as external interrupt inputs. Pull-up res.
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