SH57K12

SH57K12 Preliminary High Performance 8031 Microcontroller Features 8031 MCU core embedded DC to 24 MHz operating frequency EV: ROM-less 16 KB MASK ROM for program storage 384 bytes on-chip data RAM: 256 bytes accessed as in the 8031 128 bytes accessed via “MOVX @DPTR” RAM mapped system control registers 5 interrupt sources (Timer0, Timer1, UART, CODEC RAM Check, CODEC RAM Read/Write) 40 GPIO ports with internal pull-up resistors Two 16-bit programmable timers/counters Watchdog timer (pin option) Power Down Mode provided CODEC controller Dual Power MCU and peripherals operate from 2.4 to 3.6V (V3V) Input/output voltage range from 2.4 to 5.5V (V5V) Standby current 10µA for V3V = 3.3V, V5V=5V Package Type EV128 - pin QFP package Chip form 80 pin General Description The SH57K12 is a low-voltage, high performance 8031 embedded microcontroller with 384 bytes on chip RAM. The SH57K12 includes a watchdog timer, and a CODEC controller. 1/31 V1.2 SH57K12 EV Pin Configuration SH57K12 2/31 V1.2 SH57K12 Block Diagram External ROM 384-BTYE RAM CLOCK IN SH57K12 8031 CORE WATCHDOG TIMER CLOCK IN SYSTEM RESET RESET EXTERNAL MEMORY INTERFACE I/O PORT SYSTEM MANAGER CODEC CONTROLLER RF Baseband Interface 3/31 V1.2 SH57K12 EV Pad Description Pad No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Designation VCC VSS N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. D0 D1 D2 D3 WE N.C. N.C. N.C. P10 P11 P12 P13 P14 P15 P16 P...