diff --git a/documentation/asciidoc/computers/processors/bcm2836.adoc b/documentation/asciidoc/computers/processors/bcm2836.adoc index bd5b8c909..f22292a40 100644 --- a/documentation/asciidoc/computers/processors/bcm2836.adoc +++ b/documentation/asciidoc/computers/processors/bcm2836.adoc @@ -1,8 +1,10 @@ == BCM2836 -The Broadcom chip used in the Raspberry Pi 2 Model B. The underlying architecture in BCM2836 is identical to BCM2835. The only significant difference is the removal of the ARM1176JZF-S processor and replacement with a quad-core Cortex-A7 cluster. +The Broadcom chip used in early models of Raspberry Pi 2 Model B. The underlying architecture in BCM2836 is identical to BCM2835. The only significant difference is the removal of the ARM1176JZF-S processor and replacement with a quad-core Cortex-A7 cluster. You should refer to: * https://datasheets.raspberrypi.com/bcm2836/bcm2836-peripherals.pdf[BCM2836 ARM-local peripherals] * https://developer.arm.com/documentation/ddi0464/f/[Cortex-A7 MPcore Processor Reference Manual] + +IMPORTANT: This SoC is discontinued. Later Raspberry Pi 2 Model B revisions use a different SoC. For more information, see https://pip.raspberrypi.com/documents/RP-004577-PC-1?disposition=inline[Raspberry Pi 2 Model B Product Change Note]. \ No newline at end of file diff --git a/documentation/asciidoc/computers/processors/bcm2837.adoc b/documentation/asciidoc/computers/processors/bcm2837.adoc index b776c301a..7c543c3e9 100644 --- a/documentation/asciidoc/computers/processors/bcm2837.adoc +++ b/documentation/asciidoc/computers/processors/bcm2837.adoc @@ -1,6 +1,6 @@ == BCM2837 -This is the Broadcom chip used in the Raspberry Pi 3 Model B, later models of the Raspberry Pi 2 Model B, and the Raspberry Pi Compute Module 3. The underlying architecture of the BCM2837 is identical to the BCM2836. The only significant difference is the replacement of the Armv7 quad core cluster with a quad-core Arm Cortex A53 (Armv8) cluster. +This is the Broadcom chip used in some models of Raspberry Pi 3 Model B, some models of Raspberry Pi 2 Model B, and Raspberry Pi Compute Module 3. The underlying architecture of the BCM2837 is identical to the BCM2836. The only significant difference is the replacement of the Armv7 quad core cluster with a quad-core Arm Cortex A53 (Armv8) cluster. The Arm cores run at 1.2GHz, making the device about 50% faster than the Raspberry Pi 2. The VideoCore IV runs at 400MHz. @@ -8,3 +8,5 @@ Please refer to the following BCM2836 document for details on the Arm peripheral * https://datasheets.raspberrypi.com/bcm2836/bcm2836-peripherals.pdf[BCM2836 Arm-local peripherals] * https://developer.arm.com/documentation/ddi0500/latest/[Cortex-A53 MPCore Processor Technical Reference Manual] + +IMPORTANT: This SoC is discontinued. Raspberry Pi devices that include this chip reached End-of-Life on 16 October 2025. For more information, see https://pip.raspberrypi.com/documents/RP-009284-PC-2?disposition=inline[Raspberry Pi 2 Model B revisions 1.1 and 1.2 Obsolescence Notice 1] and https://pip.raspberrypi.com/documents/RP-009286-PC?disposition=inline[Raspberry Pi Compute Module 3 and Compute Module 3 Lite Obsolescence Notice 2]. \ No newline at end of file diff --git a/documentation/asciidoc/computers/processors/bcm2837b0.adoc b/documentation/asciidoc/computers/processors/bcm2837b0.adoc index 2ee24cc4b..7e6068dc4 100644 --- a/documentation/asciidoc/computers/processors/bcm2837b0.adoc +++ b/documentation/asciidoc/computers/processors/bcm2837b0.adoc @@ -1,6 +1,6 @@ == BCM2837B0 -This is the Broadcom chip used in the Raspberry Pi 3 Models A+, B+, and the Raspberry Pi Compute Module 3+. The underlying architecture of the BCM2837B0 is identical to the BCM2837 chip used in other versions of the Raspberry Pi. The Arm core hardware is the same, only the frequency is rated higher. +This is the Broadcom chip used in later models of Raspberry Pi 2 Model B, later models of Raspberry Pi 3 Model B, Raspberry Pi 3 Models A+, B+, and Raspberry Pi Compute Module 3+. The underlying architecture of the BCM2837B0 is identical to the BCM2837 chip used in other versions of the Raspberry Pi. The Arm core hardware is the same; only the frequency is rated higher. The Arm cores are capable of running at up to 1.4GHz, making the 3B+/3A+ about 17% faster than the original Raspberry Pi 3. The VideoCore IV runs at 400MHz. The Arm core is 64-bit, while the VideoCore IV is 32-bit. diff --git a/documentation/asciidoc/computers/raspberry-pi/introduction.adoc b/documentation/asciidoc/computers/raspberry-pi/introduction.adoc index 80aa36605..96a9d0ddf 100644 --- a/documentation/asciidoc/computers/raspberry-pi/introduction.adoc +++ b/documentation/asciidoc/computers/raspberry-pi/introduction.adoc @@ -14,7 +14,9 @@ Raspberry Pi makes computers in several different **series**: *Model B* indicates the presence of an Ethernet port. *Model A* indicates a lower-cost model in a smaller form factor with no Ethernet port, reduced RAM, and fewer USB ports to limit board height. -[cols="6a,2,2,3,5"] +IMPORTANT: Raspberry Pi 2 Model B revisions 1.1 and 1.2 have reached End-of-Life (EoL) due to the discontinuation of the core SoC used in these products. The official EoL date was 16 October 2025. Raspberry Pi 2 Model B revision 1.3 offers the same mechanical footprint and a BCM2837B0 processor, and so is recommended for existing designs. For more information, see the official https://pip.raspberrypi.com/documents/RP-009284-PC-2?disposition=inline[Obsolescence Notice]. + +[cols="6a,3,2,3,5"] |=== | Model | SoC | Memory | GPIO | Connectivity @@ -81,7 +83,11 @@ a| ^.^a| .Raspberry Pi 2 Model B image::images/2-model-b.jpg[alt="Raspberry Pi 2 Model B"] -| xref:processors.adoc#bcm2836[BCM2836] (in version 1.2, switched to xref:processors.adoc#bcm2837[BCM2837]) | 1 GB | 40-pin GPIO header +a| +* revision 1.1: xref:processors.adoc#bcm2836[BCM2836] +* revision 1.2: xref:processors.adoc#bcm2837[BCM2837] +* revision 1.3: xref:processors.adoc#bcm2837b0[BCM2837B0] + ^.^a| 1 GB | 40-pin GPIO header a| * HDMI * 4 × USB 2.0 @@ -109,7 +115,7 @@ a| ^.^a| .Raspberry Pi 3 Model B+ image::images/3-model-b-plus.jpg[alt="Raspberry Pi 3 Model B+"] -| xref:processors.adoc#bcm2837b0[BCM2837b0] | 1 GB | 40-pin GPIO header +| xref:processors.adoc#bcm2837b0[BCM2837B0] | 1 GB | 40-pin GPIO header a| * HDMI * 4 × USB 2.0 @@ -124,7 +130,7 @@ a| ^.^a| .Raspberry Pi 3 Model A+ image::images/3-model-a-plus.jpg[alt="Raspberry Pi 3 Model A+"] -| xref:processors.adoc#bcm2837b0[BCM2837b0] | 512 MB | 40-pin GPIO header +| xref:processors.adoc#bcm2837b0[BCM2837B0] | 512 MB | 40-pin GPIO header a| * HDMI * USB 2.0