S3P9428 microcontrollers equivalent, sam87ri family of 8-bit single-chip cmos microcontrollers.
CPU
* SAM87RI CPU core Timer/Counters
*
* Memory
*
* 208-byte general purpose register area (RAM) 4K/8K byte internal program memory (ROM) PWM module .
with varied memory and I/O requirements. Timer/counters with selectable operating modes are included to support real-tim.
Table 1-1. S3C9424/C9428/P9428 Pin Descriptions Pin Names P0.0-P0.7 Pin Type I/O Pin Description Bit-programmable I/O port for Schmitt trigger input or pushpull, open-drain output. Pull-up resistors are assignable by software. Bit-programmable I/O p.
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