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I/O Port Control Registers
MN102H75K/F75K/85K/F85K LSI User Manual Panasonic Semiconductor Development Company
285
Panasonic
PCNT0: Port Control Register 0 x’00FF90’
PCNT0 is a 16-bit access register.
Enable PWM (set PCNT1 bit 1
to 1) if you are outputting f
SY-
SCLK
/2
14
.
SCLKF[1:0]: SYSCLK frequency select
00: SYSCLK x 2
14
(732.42 Hz)
01: VCOCLK x 3
10: SYSCLK x 2
11: SYSCLK
ODASCI1: Serial port 1 output switch
1: Push-pull
0: Open-drain
ODASCI0: Serial port 0 output switch
To use P57 as a port, set this bit to 0.
1: Push-pull
0: Open-drain
SIFSEL1: Serial port 1 interface select
0: Three-line (enable SBI1, SBO1, SBT1)
1: Two-line (enable SBD1, SBT1)
SIFSEL0: Serial port 0 interface select
0: Three-wire (enable SBI0, SBO0, SBT0)
1: Two-wire (enable SBD0, SBT0)
I2CSEL1: SDA1, SCL1 enable
0: Disable
1: Enable
To use P01/SDA1 and P02/SCL1 as general-purpose port pins, you must
both select the ports in the port mode register and disable this bit.
I2CSEL0: SDA0, SCL0 enable
0: Disable
1: Enable
To use P60/SDA0 and P61/SCL0 as general-purpose port pins, you must
both select the ports in the port mode register and disable this bit.
Bit:1514131211109876543210
SCLK
F1
SCLK
F0
OD
ASCI1
OD
ASCI0
SIF
SEL1
SIF
SEL0
I2C
SEL1
I2C
SEL0
OSD
POFF
PLL
POFF
ADC1
ON
ADC0
ON
HCNT
OFF
RMC
OFF
VBI1
OFF
VBI0
OFF
Reset:0000000000000000
R/W: R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W