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PRELIMINARY
GPIO
S3C6400 RISC MICROPROCESSOR
10-
2
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.
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.
Register File
Mux control
Async Interface
Alive Part
APB Interface
Register File
Mux control
Pad control
Interrupt
Controller
Pad control
APB Bus
APB Bus
Interrupt
Controller &
Wake-up
controller
External Interrupt
Control
External Interrupt
Control
Figure 10-
1
GPIO block diagram