Samsung S3C6400X User Manual page 223

GPIO
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 can keep their values during sleep mode.
APB Bus
APB Bus
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
2
10-
Register File
APB Interface
Async Interface
Register File
Alive Part
Figure 10-１ GPIO block diagram
S3C6400 RISC MICROPROCESSOR
Mux control
External Interrupt
Control
Mux control
External Interrupt
Control
Pad control
Interrupt
Controller
Pad control
Interrupt
Controller &
Wake-up
controller