Table 1-2 Pin Descriptions Used To Read/Write The Flash Rom - Samsung S3F84B8 User Manual

S3F84B8_UM_REV 1.00
shows the pin descriptions used to Read/Write the Flash ROM in S3F84B8.
Table 1-2
Main Chip
Pin Pin Name
P2.6 SDA
P2.7 SCL
RESET/P0.2 VPP
V /V V
DD SS DD
Table 1-2 Pin Descriptions used to Read/Write the Flash ROM
Pin No.
18
19
4
/V
20/1
SS
1 OVERVIEW OF S3F84B8 MICROCONTROLLER
During Programming
I/O
I/O Serial data pin (output when reading, Input when writing)
Input and push-pull output port can be assigned
I Serial clock pin (input only pin)
I Power supply pin for flash ROM cell writing (indicates that
MTP enters into the writing mode). When 11 V is
applied, MTP is in the writing mode and when 5 V is
applied,
MTP is in the reading mode. (Optional)
I Logic power supply pin.
1-8
Function