日志
新唐ISD91200 Series 规格说明
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– ARM® Cortex™-M0 core running up to 50 MHz for normal speed.
– One 24-bit System tick timer for operating system support.
– Supports a variety of low power sleep and power down modes.
– Single-cycle 32-bit hardware multiplier.
– NVIC (Nested Vector Interrupt Controller) for 32 interrupt inputs, each with 4-levels of
priority.
– Serial Wire Debug (SWD) supports with 2 watchpoints/4 breakpoints.
Power Management
– Wide operating voltage range from 1.8V to 5.5V.
– Power management Unit (PMU) providing four levels of power control.
– Deep Power Down (DPD) mode with sub micro-amp leakage (<1µA).
– Wakeup from Deep Power Down via dedicated WAKEUP pin or timed operation from
internal low power 10KHz oscillator.
– Standby current in SPD mode with limited RAM (256byte SBRAM) retention and RTC
operation <5µA.
– Standby current in STOP mode with full SRAM retention <10µA.
– Wakeup from Standby can be from any GPIO interrupt, RTC or BOD.
– Sleep mode with minimal dynamic power consumption.
– 3V LDO for operation of external 3V devices such as serial flash.
Flash EPROM Memory
– 64K/128K bytes Flash EPROM for program code and data storage.
– Mini-cache to maintain near zero-wait state memory access.
– Support In-system program (ISP) and In-circuit program (ICP) application code update
– 512 byte page erase for flash.
– Configurable boundary to delineate code and data flash.
– Support 2 wire In-circuit Programming (ICP) update from SWD ICE interface
SRAM Memory
– 12K bytes embedded SRAM.
Clock Control
– High speed and low speed oscillators providing flexible selection for different applications.
No external components necessary.
– Built-in trimmable oscillator with range of 16-50MHz. Factory trimmed within 1% to
settings of 49.152MHz and 32.768MHz. User trimmable with in-built frequency
measurement block (OSCFM) using reference clock of 32kHz crystal or external
reference source.
– Ultra-low power (<1uA) 10kHz oscillator for watchdog and wakeup from power-down or
sleep operation.
– External 32kHz crystal input for RTC function and low power system operation.
– External 12 MHz crystal input for precise timing operation.
GPIO
– Four I/O modes:
Quasi bi-direction
Push-Pull output
Open-Drain output
Input only with high impendence
– Schmitt trigger input selectable
– I/O pin can be configured as interrupt source with edge/level setting.
– Supports High Driver and High Sink IO mode.
– Capacitive Touch: 16
– Maximal 32 GPIO
Audio Analog to Digital converter
– Sigma Delta ADC with configurable decimation filter and 16 bit output.
– 90dB Signal-to-Noise (SNR) performance.
– Programmable gain amplifier with 32 steps from -12 to 35.25dB in 0.75dB steps.
– Boost gain stage of 26dB, giving maximum total gain of 61dB.
– Input selectable from dedicated MIC pins or analog enabled GPIO.
– Programmable biquad filter to support multiple sample rates from 8-32kHz.
– DMA support for minimal CPU intervention.
Differential Audio PWM Output (DPWM)
– Direct connection of speaker
– 0.5W drive capability into 8Ω load.
– Configurable up-sampling to support sample rates from 8-48kHz.
– Programmable volume control from -128dB to +36dB in 0.5 dB step
– Programmable biquad filter to support multiple sample rates from 8-48kHz
– DMA support for minimal CPU intervention.
Timers
– Two timers with 8-bit pre-scaler and 24-bit resolution.
– Counter auto reload.
Watch Dog Timer
– Default ON/OFF by configuration setting
– Multiple clock sources
– 8 selectable time out period from micro seconds to seconds (depending on clock source)
– WDT can wake up power down/sleep.
– Interrupt or reset selectable on watchdog time-out.
RTC
– Real Time Clock counter (second, minute, hour) and calendar counter (day, month, year)
– Alarm registers (second, minute, hour, day, month, year)
– Selectable 12-hour or 24-hour mode
– Automatic leap year recognition
– Time tick and alarm interrupts.
– Device wake up function.
– Supports software compensation of crystal frequency by compensation register (FCR)
PWM/Capture
– Four 16-bit PWM generators provide four single ended PWM outputs or two
complementary paired PWM outputs.
– The PWM generator equipped with a clock source selector, a clock divider, an 8-bit prescaler and Dead-Zone generator for complementary paired PWM.
– PWM interrupt synchronous to PWM period.
– 16-bit digital Capture timers (shared with PWM timers) provide rising/falling capture inputs.
– Support Capture interrupt
UART
– Up to two uart controller
– UART ports with flow control (TX, RX, CTS and RTS)
– 8-byte FIFO.– Supports High Driver and High Sink IO mode.
– Capacitive Touch: 16
– Maximal 32 GPIO
Audio Analog to Digital converter
– Sigma Delta ADC with configurable decimation filter and 16 bit output.
– 90dB Signal-to-Noise (SNR) performance.
– Programmable gain amplifier with 32 steps from -12 to 35.25dB in 0.75dB steps.
– Boost gain stage of 26dB, giving maximum total gain of 61dB.
– Input selectable from dedicated MIC pins or analog enabled GPIO.
– Programmable biquad filter to support multiple sample rates from 8-32kHz.
– DMA support for minimal CPU intervention.
Differential Audio PWM Output (DPWM)
– Direct connection of speaker
– 0.5W drive capability into 8Ω load.
– Configurable up-sampling to support sample rates from 8-48kHz.
– Programmable volume control from -128dB to +36dB in 0.5 dB step
– Programmable biquad filter to support multiple sample rates from 8-48kHz
– DMA support for minimal CPU intervention.
Timers
– Two timers with 8-bit pre-scaler and 24-bit resolution.
– Counter auto reload.
Watch Dog Timer
– Default ON/OFF by configuration setting
– Multiple clock sources
– 8 selectable time out period from micro seconds to seconds (depending on clock source)
– WDT can wake up power down/sleep.
– Interrupt or reset selectable on watchdog time-out.
RTC
– Real Time Clock counter (second, minute, hour) and calendar counter (day, month, year)
– Alarm registers (second, minute, hour, day, month, year)
– Selectable 12-hour or 24-hour mode
– Automatic leap year recognition
– Time tick and alarm interrupts.
– Device wake up function.
– Supports software compensation of crystal frequency by compensation register (FCR)
PWM/Capture
– Four 16-bit PWM generators provide four single ended PWM outputs or two
complementary paired PWM outputs.
– The PWM generator equipped with a clock source selector, a clock divider, an 8-bit prescaler and Dead-Zone generator for complementary paired PWM.
– PWM interrupt synchronous to PWM period.
– 16-bit digital Capture timers (shared with PWM timers) provide rising/falling capture inputs.
– Support Capture interrupt
UART
– Up to two uart controller
– UART ports with flow control (TX, RX, CTS and RTS)
– Support IrDA (SIR) and LIN function
– Programmable baud-rate generator up to 1/16 of system clock.
SPI
– Up to two SPI controller
– SPI Clock up to 24 MHz.
– SPI data rate in Quad mode up to 98 Mbps
– Support MICROWIRE/SPI master/slave mode (SSP)
– Full duplex synchronous serial data transfer
– Variable length of transfer data from 1 to 4 bytes
– MSB or LSB first data transfer
– 2 slave/device select lines when used in master mode.
– DMA support.( 64bit (16x4) data FIFO)
– Quad/Dual SPI support.
I2C
– Master/Slave up to 1Mbit/s
– Bidirectional data transfer between masters and slaves
– Multi-master bus (no central master).
– Arbitration between simultaneously transmitting masters without corruption of serial data
on the bus
– Serial clock synchronization allows devices with different bit rates to communicate via one
serial bus.
– Serial clock synchronization can be used as a handshake mechanism to suspend and
resume serial transfer.
– Programmable clock allowing versatile rate control.
– Supports multiple address recognition (four slave address with mask option)
– Supports wake-up by address recognition (for 1st slave address only)
I2S
– Interface with external audio CODEC.
– Operate as either master or slave.
– Capable of handling 8, 16, 24 and 32 bit word sizes
– Mono and stereo audio data supported
– I2S and MSB justified data format supported
– Two 8 word FIFO data buffers are provided, one for transmit and one for receive
– Generates interrupt requests when buffer levels cross a programmable boundary
– Supports DMA requests, for transmit and receive
SARADC
– 12-bit SAR ADC with 350K SPS
– Up to 10-ch single-end input
– Single scan/single cycle scan/continuous scan
– Each channel with individual result register
– Scan on enabled channels
– Threshold voltage detection
– Conversion start by software programming or external input
– Supports PDMA mode
Low Voltage Reset
– Threshold voltage levels: 1.8V
Brown-out detector
– Supports 8-level brown-out setting.
– Supports time-multiplex operation to minimize power consumption.
– Supports Brownout Interrupt and Reset option
Built in Low Dropout Voltage Regulator (LDO)
– Capable of delivering 30mA load current.
– Configurable 8 output voltage selections from 1.5V – 3.3V.
– LDO output powers IO ring for GPIOA<7:0> and can supply power to external SPI Flash.
– Can be bypassed and voltage domain supplied directly from system power.
Additional Features
– Over temperature alarm. Can generate interrupt if device exceeds safe operating
temperature.
– Temperature proportional voltage source which can be routed to ADC for temperature
measurements.
– Digital Microphone interface.
– 2 Low noise high impedance high working temperature OPAMPs suitable for smokedetect application.
Standby current in STOP mode with SRAM retention <=10µA at 25°C.
Operating Temperature: -40C~85C
Package:
– All Green package (RoHS)
LQFP 64-pin
