SONIX SN32F264 - Product Overview Features; Product Features Summary

SN32F260 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD Page 10 Version 1.5
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PRODUCT OVERVIEW
1.1 FEATURES

Memory configuration

Working voltage 2.5V ~ 5.5V
Flash ROM size: 32KB(include Boot Loader 2K).
User RAM: 2KB.

Timer
USB FIFO RAM: 256 bytes.
One 16-bit general purpose timer CT16B0 with CAP0.
One 16-bit general purpose timer CT16B1 with 22-ch

Operation Frequency up to 48MHz
PWM.

Interrupt sources

Interfaces: I2C & SPI
ARM Cortex-M0 built-in Nested Vectored Interrupt
- One I2C controller supporting I2C-bus specification.
Controller (NVIC).
- One SPI controller supporting SPI protocol.

I/O pin configuration

System clocks
Bi-directional: P0, P1, P2, P3.
Internal high clock: RC type 48MHz.
Wakeup: P0, P1, P2, P3 level change.
Internal low clock: RC type 32KHz.
Pull-up resisters: P0, P1, P2, P3.
20mA Sink/8mA Drive: P0, P1, P2, P3.

Serial Wire Debug (SWD)

Programmable WatchDog Timer (WDT)

Operating modes
Programmable watchdog frequency with watchdog
Normal, Sleep, and Deep-sleep.
clock source and divider.

Fcpu (Instruction cycle)

System tick timer
F
CPU
= F
HCLK
= F
SYSCLK
/1, F
SYSCLK
/2, F
SYSCLK
/4, …,
24-bit timer.
F
SYSCLK
/128.
The system tick timer clock is fixed to the frequency of
the system clock.

In-System-Progamming (ISP) supported
The SysTick timer is intended to generate a fixed
10-ms interrupt.

3.3V Regulator output
Driving current 60mA

LVD with separate thresholds
Power for USB D+ internal pull-up resistor.
Reset: 2.4V/3.3V for VDD.
Can be IO power for P1.0~P1.5. (3.3V IOs)
Can be power source for peripheral 3.3V devices.

Full Speed USB 2.0
3.3v regulator output for D+ internal 1.5k pull-up

Package (Chip form support)
resistor.
LQFP48 pin
Supports one Full speed USB device address.
QFN46 pin
Supports PS/2 mode.
One control EP and 4 configurable INT/BULK
Endpoints.
EP0 supports 64-byte FIFO depth.
Programmable EP1~EP4 FIFO depth.
Total 5 endpoints share 256-byte USB RAM.
QFN33 pin
QFN28 pin
SOP28/SSOP28 pin
SSOP24 pin