Samsung S5PC100 User Manual page 333

S5PC100 USER'S MANUAL (REV1.0) ACCESS CONTROLLER (TZPC)
3.3
ACCESS CONTROLLER (TZPC)
1 OVERVIEW
The TrustZone Protection Controller (TZPC), TZProtCtrl, is an AMBA-compliant, tested, and licensed by ARM
Limited. The TZPC provides a software interface to the protection bits in a secure system in a TrustZone design. It
provides system flexibility that enables to configure different areas of memory as secure or non-secure.
The S5PC100 comprises of three TZPC.
1.1 FEATURES
1. Protection bits: This enables you to program maximum 32 areas of memory as secure or non-secure
2. Secure region bits: This enables you to split an area of internal RAM into both secure and non-secure regions
3. The Access Controller includes AMBA APB system interface
1.2 BLOCK DIAGRAM
Figure 3.3-1 Block Diagram
3.3-1