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I/O Ports
I/O Port Control Registers
MN102H75K/F75K/85K/F85K LSI User Manual Panasonic Semiconductor Development Company
287
Panasonic
PCNT2: Port Control Register 2 x’00FF92’
Always set bits 7 to 3 of PCNT2
to 0.
You cannot read from or write to
the registers associated with a
function that is disabled.
P7P8CNT: Ports 7 and 8 forced pullup
Ports 7 and 8 are only available in the quad flat package.
0: Pull up
1: Don’t pull up
I2COFF: I
2
C function enable
0: Enable
1: Disable
PWMOFF: PWM function enable
0: Enable
1: Disable
Setting the I2COFF or PWMOFF bits to 1 shuts off the system clock sup-
ply to the associated block, which reduces power dissipation.
OSDREGE: OSD registers read/write enable
To read or write to the OSD registers, you must first set this bit to 1.
0: Disable
1: Enable
Bit:1514131211109876543210
———————
P7P8
CNT
(Test Bits)
I2C
OFF
PWM
OFF
OSD
REGE
Reset:0000000000000000
R/W:RRRRRRRR/WR/WR/WR/WR/WR/WR/WR/WR/W