Teensy 4.0 - 修訂紀錄

Tommy：Refactor: add Category:Boards and SoCs

2026-08-21T05:17:54Z

Refactor: add [[Category:Boards and SoCs ]]

←上個修訂		2026年8月21日 (五) 13:17的版本
第202行：		第202行：

	== [[application - ADS1256 ]] ==		== [[application - ADS1256 ]] ==

			[[Category:Boards and SoCs]]

Tommy：/* Schematic */

2021-01-05T07:35:39Z

Schematic

←上個修訂		2021年1月5日 (二) 15:35的版本
第36行：		第36行：
	== Schematic ==		== Schematic ==
	[[File:Schematic40.png\|500px\|Teensy 4.0 shematic]]		[[File:Schematic40.png\|500px\|Teensy 4.0 shematic]]

	[[File:Schematic41.png\|500px\|Teensy 4.1 shematic]]		[[File:Schematic41.png\|500px\|Teensy 4.1 shematic]]

Tommy：/* Schematic */

2021-01-05T07:35:30Z

Schematic

←上個修訂		2021年1月5日 (二) 15:35的版本
第36行：		第36行：
	== Schematic ==		== Schematic ==
	[[File:Schematic40.png\|500px\|Teensy 4.0 shematic]]		[[File:Schematic40.png\|500px\|Teensy 4.0 shematic]]
	[[File:Schematic41.png\|500px\|Teensy 4.0 shematic]]
			[[File:Schematic41.png\|500px\|Teensy 4.1 shematic]]

	== Memory Map ==		== Memory Map ==

Tommy：/* Schematic */

2021-01-05T04:09:22Z

Schematic

←上個修訂		2021年1月5日 (二) 12:09的版本
第36行：		第36行：
	== Schematic ==		== Schematic ==
	[[File:Schematic40.png\|500px\|Teensy 4.0 shematic]]		[[File:Schematic40.png\|500px\|Teensy 4.0 shematic]]
			[[File:Schematic41.png\|500px\|Teensy 4.0 shematic]]

	== Memory Map ==		== Memory Map ==

Tommy：/* Technical Specifications */

2020-11-24T09:26:13Z

Technical Specifications

←上個修訂		2020年11月24日 (二) 17:26的版本
第22行：		第22行：
	* Peripheral cross triggering		* Peripheral cross triggering
	* Power On/Off management		* Power On/Off management
	* FPU		* FPU support
	<pre>		<pre>
	Teensy 4.0's Cortex-M7 processor includes a floating point unit (FPU) which supports both 64 bit "double" and 32 bit "float".		Teensy 4.0's Cortex-M7 processor includes a floating point unit (FPU) which supports both 64 bit "double" and 32 bit "float".

Tommy：/* Technical Specifications */

2020-11-24T09:25:57Z

Technical Specifications

←上個修訂		2020年11月24日 (二) 17:25的版本
第23行：		第23行：
	* Power On/Off management		* Power On/Off management
	* FPU		* FPU
	** <pre>Teensy 4.0's Cortex-M7 processor includes a floating point unit (FPU) which supports both 64 bit "double" and 32 bit "float".		<pre>
			Teensy 4.0's Cortex-M7 processor includes a floating point unit (FPU) which supports both 64 bit "double" and 32 bit "float".
	With M4's FPU on Teensy 3.5 & 36, and also Atmel SAMD51 chips, only 32 bit float is hardware accelerated.		With M4's FPU on Teensy 3.5 & 36, and also Atmel SAMD51 chips, only 32 bit float is hardware accelerated.
	Any use of double, double functions like log(), sin(), cos() means slow software implemented math.		Any use of double, double functions like log(), sin(), cos() means slow software implemented math.

Tommy：/* Technical Specifications */

2020-11-24T09:25:42Z

Technical Specifications

←上個修訂		2020年11月24日 (二) 17:25的版本
第23行：		第23行：
	* Power On/Off management		* Power On/Off management
	* FPU		* FPU
	** Teensy 4.0's Cortex-M7 processor includes a floating point unit (FPU) which supports both 64 bit "double" and 32 bit "float".		** <pre>Teensy 4.0's Cortex-M7 processor includes a floating point unit (FPU) which supports both 64 bit "double" and 32 bit "float".
	** With M4's FPU on Teensy 3.5 & 36, and also Atmel SAMD51 chips, only 32 bit float is hardware accelerated.		With M4's FPU on Teensy 3.5 & 36, and also Atmel SAMD51 chips, only 32 bit float is hardware accelerated.
	** Any use of double, double functions like log(), sin(), cos() means slow software implemented math.		Any use of double, double functions like log(), sin(), cos() means slow software implemented math.
	** Teensy 4.0 executes all of these with FPU hardware.		Teensy 4.0 executes all of these with FPU hardware.
			</pre>

	== PIN assignment ==		== PIN assignment ==

Tommy：/* Technical Specifications */

2020-11-24T09:25:08Z

Technical Specifications

←上個修訂		2020年11月24日 (二) 17:25的版本
第23行：		第23行：
	* Power On/Off management		* Power On/Off management
	* FPU		* FPU
	** Teensy 4.0's Cortex-M7 processor includes a floating point unit (FPU) which supports both 64 bit "double" and 32 bit "float". With M4's FPU on Teensy 3.5 & 36, and also Atmel SAMD51 chips, only 32 bit float is hardware accelerated. Any use of double, double functions like log(), sin(), cos() means slow software implemented math. Teensy 4.0 executes all of these with FPU hardware.		** Teensy 4.0's Cortex-M7 processor includes a floating point unit (FPU) which supports both 64 bit "double" and 32 bit "float".
			** With M4's FPU on Teensy 3.5 & 36, and also Atmel SAMD51 chips, only 32 bit float is hardware accelerated.
			** Any use of double, double functions like log(), sin(), cos() means slow software implemented math.
			** Teensy 4.0 executes all of these with FPU hardware.

	== PIN assignment ==		== PIN assignment ==

Tommy：/* Technical Specifications */

2020-11-24T08:26:08Z

Technical Specifications

←上個修訂		2020年11月24日 (二) 16:26的版本
第22行：		第22行：
	* Peripheral cross triggering		* Peripheral cross triggering
	* Power On/Off management		* Power On/Off management
			* FPU
			** Teensy 4.0's Cortex-M7 processor includes a floating point unit (FPU) which supports both 64 bit "double" and 32 bit "float". With M4's FPU on Teensy 3.5 & 36, and also Atmel SAMD51 chips, only 32 bit float is hardware accelerated. Any use of double, double functions like log(), sin(), cos() means slow software implemented math. Teensy 4.0 executes all of these with FPU hardware.

	== PIN assignment ==		== PIN assignment ==
	[[File:Card10a_rev1_web.png\|500px\|top side]]		[[File:Card10a_rev1_web.png\|500px\|top side]]

Tommy：/* Memory Map */

2020-07-03T02:10:15Z

Memory Map

←上個修訂		2020年7月3日 (五) 10:10的版本
第30行：		第30行：

	== Memory Map ==		== Memory Map ==
	Teensy 4.0 has 1 Mbyte of RAM and 2 Mbyte of Flash memory. The RAM is divided into 2 physically separate banks.		* Teensy 4.0 has 1 Mbyte of RAM and 2 Mbyte of Flash memory. The RAM is divided into 2 physically separate banks.
	[[File:Teensy4_memory.png\|Teensy 4.0 Memory Layout]]		[[File:Teensy4_memory.png\|Teensy 4.0 Memory Layout]]

Teensy 4.0 - 修訂紀錄

Tommy：​Refactor: add Category:Boards and SoCs

Tommy：​/* Schematic */

Tommy：​/* Schematic */

Tommy：​/* Schematic */

Tommy：​/* Technical Specifications */

Tommy：​/* Technical Specifications */

Tommy：​/* Technical Specifications */

Tommy：​/* Technical Specifications */

Tommy：​/* Technical Specifications */

Tommy：​/* Memory Map */

Tommy：Refactor: add Category:Boards and SoCs

Tommy：/* Schematic */

Tommy：/* Schematic */

Tommy：/* Schematic */

Tommy：/* Technical Specifications */

Tommy：/* Technical Specifications */

Tommy：/* Technical Specifications */

Tommy：/* Technical Specifications */

Tommy：/* Technical Specifications */

Tommy：/* Memory Map */