S3C9434 - Samsung semiconductor

S3C9434 SAM87Ri family of 8-bit single-chip CMOS microcontrollers

Table 1-1. S3C9432/C9434 Pin Descriptions Pin Names P0.0-P0.3 Pin Type I/O Pin Description Bit-programmable I/O port for Schmitt trigger input or push-pull, open-drain output. Pull-up resistors are assignable by software. Port 0 pins can also be used as alternative function. Bit-programmable I/O port for Schmitt trigger input or push-pull, open-drain output.

Features

CPU
• SAM87RI CPU core Timer/Counters
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• Memory
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• 2/4K-byte internal program memory (ROM) 112-byte general purpose register area (RAM) PWM Module
• Instruction Set
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• 41 instructions The SAM87RI core provides all the SAM87 core instruction except the word-oriented instruction, multiplication, division, and some one-byte instruction. A/D Converter
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• Five analog input pins 10-bit conversion resolution
• 12-bit PWM 1-ch (Max: 250 kHz) 6-bit base + 6-bit extension frame One 8-bit basic timer for watchdog function One 8-bit timer/counter for the time interval mode Instruction Execution Time .