---
title: "Count Register"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:COUNT_REGISTER"
  data_integrity_hash: "5ad986da689b7a1576633f43b6ce34a5"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:COUNT_REGISTER"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/count-register.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/count-register"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-65535 data units (16-bit register)"
    unit: "bits"
engineering_limits:
  max_safe_operating_point:
    value: 2.5
    unit: "GHz"
    consequence: "Electromigration in 7nm FinFET transistors causing open circuits in register flip-flops"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Alpha particle strike from packaging materials generating 10^6 electron-hole pairs"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Triple modular redundancy with majority voting at transistor level"
  - node_2:
      trigger: "Power supply droop below 0.9V for 5 nanoseconds during clock edge"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Dual-rail domino logic with keeper circuits maintaining state during voltage transients"
bom_nodes:
  register-storage-cells:
    type: "component"
    urn: "URN:CNFX:ME:REGISTER_STORAGE_CELLS"
    interface_type: "physical-logic-coupled"
  decrement-logic:
    type: "component"
    urn: "URN:CNFX:ME:DECREMENT_LOGIC"
    interface_type: "physical-logic-coupled"
  zero-detect-circuit:
    type: "component"
    urn: "URN:CNFX:ME:ZERO_DETECT_CIRCUIT"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/count-register.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "9d769bd118cf05e54f51effe0c8e44c68c02fd601921f9c062db74e6bf17f517"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Count Register

## 1. Technical Definition
A hardware register within a DMA engine that tracks the number of data units to be transferred.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-65535 data units (16-bit register)**. Failure boundary: **Clock frequency exceeding 2.5 GHz at 1.2V operating voltage**, Mechanism: **Electromigration in 7nm FinFET transistors causing open circuits in register flip-flops**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Alpha particle strike from packaging materials generating 10^6 electron-hole pairs | 8 | Single-event upset flipping register bit from 1 to 0 | Triple modular redundancy with majority voting at transistor level |
| Power supply droop below 0.9V for 5 nanoseconds during clock edge | 8 | Metastability in register flip-flops corrupting count value | Dual-rail domino logic with keeper circuits maintaining state during voltage transients |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | bits | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Wafer Fabrication System**, **Automated Test Equipment**, **Clean Room Environment**  
**Downstream Applications**: Network Interface Cards, Graphics Processing Units, Solid State Drives  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What is the primary function of a Count Register in DMA engines?
**A**: The Count Register tracks the number of data units to be transferred during DMA operations, decrementing as transfers complete until reaching zero.

### Q: What materials are used in manufacturing Count Registers?
**A**: Count Registers are primarily manufactured using semiconductor silicon, which enables precise electronic functionality in computer and optical products.

### Q: How does the Count Register integrate with DMA engine components?
**A**: It works with register storage cells to hold the count value, decrement logic to reduce the count during transfers, and zero-detect circuits to signal transfer completion.

## 6. Manufacturing Compliance
- ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Count Register](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/count-register)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **3** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: COUNT_REGISTER | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: d77fb911
