W55P241 Datasheet, PDF (21/32 Pages) List of Unclassifed Manufacturers – I/O device usable with many different microprocessors through SPI interface

W55P241
6.4 XOR
XOR group SFRs speed up XOR operation of BUFFER, DIRECTION or ATTRIBUTE bit. BPmB =
BPmB XOR XBPmB. BPmD = BPmD XOR XBPmD. BPmA = BPmA XOR XBPmA. m = 0, 1, 2.
Address Register 7
6
5
4
3
2
1
0
Attribute Default
$30
XBP0B
XB07 XB06 XB05 XB04 XB03 XB02 XB01 XB00 W
$31
XBP1B
XB17 XB16 XB15 XB14 XB13 XB12 XB11 XB10 W
$32
XBP2B
XB27 XB26 XB25 XB24 XB23 XB22 XB21 XB20 W
$33
$34
XBP0D
XD07 XD06 XD05 XD04 XD03 XD02 XD01 XD00 W
$35
XBP1D
XD17 XD16 XD15 XD14 XD13 XD12 XD11 XD10 W
$36
XBP2D
XD27 XD26 XD25 XD24 XD23 XD22 XD21 XD20 W
$37
$38
XBP0A
XA07 XA06 XA05 XA04 XA03 XA02 XA01 XA00 W
$39
XBP1A
XA17 XA16 XA15 XA14 XA13 XA12 XA11 XA10 W
$3A
XBP2A
XA27 XA26 XA25 XA24 XA23 XA22 XA21 XA20 W
$3B
$3C
PWMEN EN7 EN6 EN5 EN4 EN3 EN2 EN1 EN0 R/W
$3D
PWMCK TEST X
X
X
MOD3 MOD2 MOD1 MOD0 R/W
$3E
&3F
RESET
X
X
X
X
X
X
X
X
W
XB0n
XB1n
XB2n
XD0n
XD1n
XD2n
XA0n
XA1n
XA2n
ENn
MOD[1:0]
MOD[3:2]
XOR data of BP0B: n = 0(LSB) ~ 7(MSB)
XOR data of BP1B
XOR data of BP2B
XOR data of BP0D
XOR data of BP1D
XOR data of BP2D
XOR data of BP0A
XOR data of BP1A
XOR data of BP2A
1: enables PWM channel. 0: disable. n = 0 ~ 7.
00: BP0[3:0] clock is derived by dividing 8MHz clock by 16.
01: BP0[3:0] clock is derived by dividing 8MHz clock by 64.
10: BP0[3:0] clock is derived by dividing 8MHz clock by 256.
11: BP0[3:0] clock is derived by dividing 8MHz clock by 512.
00: BP0[7:4] clock is derived by dividing 8MHz clock by 16.
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