73S1210F Data Sheet
DS_1210F_001
Keypad Scan Time Register (KSIZE): 0xD5 0x00
This register is not applicable when HWSCEN is not set. Unused row inputs should be connected to
VDD.
Table 68: The KSIZE Register
MSB
LSB
ROWSIZ.2 ROWSIZ.1 ROWSIZ.0 COLSIZ.2 COLSIZ.1 COLSIZ.0
–
–
Bit
Symbol
Function
KSIZE.7
KSIZE.6
KSIZE.5
KSIZE.4
KSIZE.3
KSIZE.2
KSIZE.1
KSIZE.0
–
–
ROWSIZ.2
Defines the number of rows in the keypad. Maximum number is 6 given
ROWSIZ.1 the number of row pins on the package. Allows for a reduced keypad size
for scanning.
ROWSIZ.0
COLSIZ.2
Defines the number of columns in the keypad. Maximum number is 5
COLSIZ.1 given the number of column pins on the package. Allows for a reduced
keypad size for scanning.
COLSIZ.0
66
Rev. 1.4