Semiconductor Physics — P/N Junction
Controls
0.0 V
Legend
Electron (e⁻)
Hole (h⁺)
Depletion Zone
Current Flow
N-Channel MOSFET Cross-Section
Gate Control
0.0 V
OFF
MOSFET Symbol
Inputs
—
Gate Info
Inputs
Output
4-bit ALU + Register File
Registers (4-bit)
Operation
Instruction Pipeline:
ADD R0, R1, R21–3Fetch
→
4–6Decode
→
7–9Execute
→
10–12Writeback