Horizontal Scaler - Horizontal Scaler - 2.3 English - PG231

Video Processing Subsystem Product Guide (PG231)
Document ID
PG231
Release Date
2025-07-09
Version
2.3 English

The following table provides the register map of horizontal scaler registers in the video processing subsystem.

Table 1. Horizontal Scaler Registers
Register Description
0x000 Control signals
  • bit 0 - ap_start (Read/Write/COH)
  • bit 1 - ap_done (Read/COR)
  • bit 2 - ap_idle (Read)
  • bit 3 - ap_ready (Read)
  • bit 7 - auto_restart (Read/Write)
  • Others - reserved
0x004 Global Interrupt Enable Register
  • bit 0 - Global Interrupt Enable (Read/Write)
  • Others - reserved
0x008 IP Interrupt Enable Register (Read/Write)
  • bit 0 - Channel 0 (ap_done)
  • bit 1 - Channel 1 (ap_ready)
  • Others - reserved
0x00c IP Interrupt Status Register (Read/TOW)
  • bit 0 - Channel 0 (ap_done)
  • bit 1 - Channel 1 (ap_ready)
  • Others - reserved
0x010 Height
  • bit 15~0 - HwReg_HeightIn[15:0] (Read/Write)
  • Others - reserved
0x014 Reserved
0x018 Input Width
  • bit 15~0 - HwReg_Width[15:0] (Read/Write)
  • Others - reserved
0x01c Reserved
0x020 Output Width
  • bit 15~0 - HwReg_HeightOut[15:0] (Read/Write)
  • Others - reserved
0x024 Reserved
0x028 Color Mode
  • bit 7~0 - HwReg_ColorMode[7:0] (Read/Write)
  • Others - reserved
0x02c Reserved
0x030 Pixel Rate
  • bit 31~0 - HwReg_PixelRate[7:0] (Read/Write)
0x034 Reserved
0x038 Output Color Mode
  • bit 7~0 - HwReg_ColorModeOut[7:0] (Read/Write)
  • Others - reserved
0x0400 ~
0x07ff Horizontal Filter Coefficients Address (384 * 16b) Word n :
  • bit [15: 0] - HwReg_hfltCoeff[2n]
  • bit [31:16] - HwReg_hfltCoeff[2n+1]
0x4000 Phase Address (8192 * 9b) Word n :
  • bit [8: 0] - HwReg_phasesH_V[2n]
  • bit [24:16] - HwReg_phasesH_V[2n+1]
  • Others - reserved