Samsung S3F401F - Manual (Page 68)

INTERNAL FLASH ROM S3F401F_UM_REV1.00
5-8
4.6 TOOL PROGRAM MODE
The tool program mode is the flash memory program mode, which uses an equipment tool such as SPW2Plus Flash
ROM Writer or US-PRO Flash ROM Writer. If you want to make a dedicated Flash ROM writer for S3F401F, please
contact us for more detail document.
Table 5-1. The Pins Used to Read/Write/Erase the Flash ROM in Tool Program Mode
Pin No. Pin Name Interface Signal I/O Function
47 P1.15/SSPCLK0/INT15 SDAT I/O Serial bi-directional DATA pin(Output
when reading, Input when writing). Input &
push-pull output port can be assigned
48 P1.16/SSPFSS0/INT16 SCLK I Serial CLOCK input pin.
(Write speed: Max 200 KHz, Read speed :
Max 10 MHz)
100 nRESET RESET I Chip Initialization
16, 42, 66 VDDCORE[3:0] 3.3V Power supply pin for Flash block
32, 44, 93 VDDIO[3:0]
VDD P
3.3V Power supply pin for I/O interface
15, 41, 67 VSSCORE[3:0] GND Power supply pin for Flash block
31, 43, 92 VSSIO[3:0]
VSS P
GND Power supply pin for I/O interface
NOTE: More detail information about SPW2Plus and US-PRO is available in www.cnatech.com and www.seminix.com.