Samsung S3C2416 User Manual page 49

S3C2416X RISC MICROPROCESSOR
Pin
Number
317
318
319 RADDR0/GPA0
320
321
322
323
324
325 nRCS1/GPA12
326 nRCS2/GPA13
327 VDD_SDRAM
328 VDD_SDRAM
329 VDD_SDRAM
330
NOTES:
1. The @BUS REQ. shows the pin state at the external bus, which is used by the other bus master.
2. ' – ' mark indicates the unchanged pin state at Bus Request mode.
3. Hi-z or Pre means Hi-z or early state and it is determined by the setting of MISCCR register.
4. AI/AO means analog input/analog output.
5. P, I, and O mean power, input and output respectively.
6. The I/O state @nRESET shows the pin status in the @nRESET duration below.
Pin
Name
RADDR2
RADDR1
nRBE1
nRBE0
nROE
nRWE
nRCS0
VDD_SRAM
nRESET
EXTCLK
Default I/O
Function State
@Sleep
RADDR2 -
RADDR1 -
RADDR0 -/-
nRBE1 -
nRBE0 -
nROE -
nRWE -
nRCS0 -
nRCS1 -
nRCS2 -
VDD_SDRAM -
VDD_SDRAM -
VDD_SDRAM -
VDD_SRAM -
4 OSCin @ nRESET > 10 cycle
PRODUCT OVERVIEW
I/O State
@nRESET Type
O(L) pvhbsudtbrt
O(L) pvhbsudtbrt
O(L) pvhbsudtbrt
O(H) pvhbsudtbrt
O(H) pvhbsudtbrt
O(H) pvhbsudtbrt
O(H) pvhbsudtbrt
O(H) pvhbsudtbrt
O(H) pvhbsudtbrt
O(H) pvhbsudtbrt
P Vddtvm_alv
P Vddtvm_alv
P vddtvm_alv
P vddtvh_alv
I/O
1-21