PCF8535 datasheet(23/52 Pages) PHILIPS

23 / 52 page

1999 Aug 24

Philips Semiconductors

Objective speciﬁcation

× 133 pixel matrix driver

PCF8535

7.15.2.4

Output row order

The order in which the rows are activated is a function of bits MY, TRS, BRS and the selected multiplex mode.

Tables 9 to 12 give the order in which the rows are activated. In all cases, the RAM is accessed in a linear fashion,

starting at zero with a jump to the last row for the icon data.

Table 9

Row order for BRS = 0 and TRS = 0

Table 10 Row order for BRS = 1 and TRS = 0

Table 11 Row order for BRS = 0 and TRS = 1

Table 12 Row order for BRS = 1 and TRS = 1

MULTIPLEX MODE

MY = 0

MY = 1

1 : 17

R0 to R15 and R64

R15 to R0 and R64

1 : 26

R0 to R24 and R64

R24 to R0 and R64

1 : 33

R0 to R31 and R64

R31 to R0 and R64

1 : 49

R0 to R47 and R64

R47 to R0 and R64

1 : 65

R0 to R64

R63 to R0 and R64

MULTIPLEX MODE

MY = 0

MY = 1

1 : 17

R15 to R0 and R64

R0 to R15 and R64

1 : 26

R15 to R0, R16 to R24 and R64

R24 to R16, R0 to R15 and R64

1 : 33

R15 to R0, R16 to R31 and R64

R31 to R16, R0 to R15 and R64

1 : 49

R15 to R0, R16 to R32, R47 to R33

and R64

R33 to R47, R32 to R16, R0 to R15

and R64

1 : 65

R15 to R0, R16 to R32, R47 to R33

and R48 to R64

R63 to R48, R33 to R47, R32 to R16,

R0 to R15 and R64

MULTIPLEX MODE

MY = 0

MY = 1

1 : 17

R0 to R15 and R48

R15 to R0 and R48

1 : 26

R0 to R15, R32 to R24 and R48

R24 to R32, R15 to R0 and R48

1 : 33

R0 to R15, R32 to R17 and R48

R17 to R32, R15 to R0 and R48

1 : 49

R0 to R15, R32 to R16, R33 to R47

and R48

R47 to R33, R16 to R32, R15 to R0

and R48

1 : 65

R0 to R15, R32 to R16, R33 to R47

and R64 to R48

R49 to R64, R47 to R33, R16 to R32,

R15 to R0 and R48

MULTIPLEX MODE

MY = 0

MY = 1

1 : 17

R15 to R0 and R48

R0 to R15 and R48

1 : 26

R15 to R0, R32 to R24 and R48

R0 to R15, R32 to R24 and R48

1 : 33

R15 to R0, R32 to R17 and R48

R0 to R15, R17 to R32 and R48

1 : 49

R15 to R0, R32 to R16, R47 to R33

and R48

R0 to R15, R16 to R32, R33 to R47

and R48

1 : 65

R15 to R0, R32 to R16, R47 to R33

and R64 to R48

R0 to R15, R16 to R32, R33 to R47,

R47 to R64 and R48

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