描述 Description

The GPM8F1065A is a highly integrated microcontroller which integrates a pipelined 1T 8051 CPU, 1.5K-byte XRAM, 256-byte IDM SRAM and 64K-byte program Flash. ?It also includes up to 23 programmable multi-functional I/Os, Timer0/1/2, UART0, SPI(master), I2C, and CMDT for general-purpose application. ?It operates over a wide voltage range of 1.8V - 5.5V and wide temperature range of -5℃ ~ 70℃. ?It has two modes in power management unit. ?There is also one on chip debug circuit with two pins to facilitate full speed in-system debug. ?The detail is described in the following sections.

特性 Features

? CPU
? High speed, high performance 1T 8051
? 100% software compatible with industry standard 8051
? Pipeline RISC architecture enables to execute instructions 10 times faster than standard 8051

? Up to 16MHz clock operation

? Memory
? 1.5K bytes XRAM
? 256 bytes internal Data Memory (IDM) SRAM
? Up to 64K bytes Flash with high endurance?
? Minimum 100K progam/erase cycles
? Minimum 10 years data retention
? Page size 1kB

? Programming lock level for software security



? Clock Management
? Internal oscillator: 16MHz±1.5% @ 2.0V~5.5V
? Crystal input with 1MHz~16MHz

? Slow Clock
? Internal oscillator: 4KHz

? Power Management
? One STOP mode for power saving
? One IDLE mode for only peripheral operation


? Interrupt Management
? Up to 9 internal interrupt sources
? Up to 5 external interrupt sources
? Up to 8 keyboard Interrupt sources

? Reset Management
? Power On Reset (POR)
? Low Voltage Reset (LVR)
? Pad Reset (PAD_RST)
? Watchdog Reset (WDT_RST)
? Software Reset (S/W_RST)
? Stop mode Reset (STOP_RST)
? Miss Clock Reset (MISS_CLK_RST)
? Flash Related Error Reset (FLASH_ERR_RST)

? Programmable Watchdog Timer
? A time-base generator
? An event timer
? System supervisor

? I/O Ports
? Max 23 multifunction bi-directional I/Os

? Each incorporate with pull-up resistor, pull-down resistor, output high, output low or floating input, depending on programmer's settings on the corresponding registers
? I/O ports with 12mA current sink
? I/O ports with 12mA current drive
? Two 16-bit Timer/Counter (Timer 0/1)
? Timer mode with clock source selectable
? Auto reload 8-bit timers

? One Powerful Timer2 with 16-bit Compare/Capture Unit
? Timer mode with clock source selectable
? Auto reload 16-bit timers
? Event capturing
? Digital signals generator
? Pulse width modulation and measurement

? UART0
? One synchronous mode
? Three asynchronous modes

? SPI (master mode)
? Programmable phase and polarity of master clock
? Programmable master clock frequency
? Auto read/write function
? Max SPI clock: 4MHz (FOSC /4) @16MHz

? I2C (master/slave mode)
? Carrier Modulator/Demodulator Timer (CMDT)
? One 8-bit Timer A for carrier generation and detection
? One 16-bit Timer B for envelop generation and detection
? Drives IR_TX pin for remote control communication
? Receive IR signal from IR_RX pin

? Built-in Low Voltage Reset
? Trigger level: 1.9V

? Built-in low Voltage Detect
? Programmable level: 2.3V, 2.5V, 3.3V, 3.5V

? On-chip Debug Unit
? C compatible Development Tools