Samsung S5PC100 User Manual page 57

S5PC100 USER'S MANUAL (REV1.0)
4 I/O DESCRIPTION
GPIO consists of two part, 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
APB Bus
Register File
APB Interface
Async Interface
Register File
Alive Part
Figure 2.2-1 GPIO Block Diagram
Mux control
External Interrupt
Control
Mux control
External Interrupt
Control
PAD CONTRL
Pad control
Interrupt
Controller
Pad control
Interrupt
Controller &
Wake-up
controller
2.2-5