Input/ Output Description - Samsung S5PC110 Manual

S5PC110_UM

2.1.5 INPUT/ OUTPUT DESCRIPTION

2.1.5.1 General Purpose Input/Output Block Diagram
GPIO consists of two parts, namely, alive-part and off-part. In Alive-part power is supplied on sleep mode, but in
off-part it is not the same. Therefore, the registers in alive-part keep their values during sleep mode.
APB Bus
Register File
APB Interface
Off Part
Async Interface
Register File
Alive Part
Figure 2-1
2 GENERAL PURPOSE INPUT/ OUTPUT
Mux control
External Interrupt
Control
Mux control
External Interrupt
Control
GPIO Block Diagram
Pad control
Interrupt
Controller
Pad control
Interrupt
Controller &
Wake -up
controller
2-8