High Performance 8031 Microcontroller
SH57K12
Preliminary
High Performance 8031 Microcontroller
Features
8031 MCU core embedded DC to 24 MHz operating freq...
Description
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...
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