Chapter 7
I/O Port
VII - 4 Control Registers
R/W: Readable/Writable
P6PLUP 0x03F46 R/W Port 6 pull-up resistor control register VII-17
P6ODC 0x03F56 R/W Port 6 N-ch open-drain control register VII-21
P6NLC 0x03EC5 R/W Port 6 N-ch current capacity selection register VII-24
P7OUT 0x03F17 R/W Port 7 output register VII-7
P7IN 0x03F27 R Port 7 input register VII-10
P7DIR 0x03F37 R/W Port 7 direction control register VII-14
P7PLUP 0x03F47 R/W Port 7 pull-up resistor control register VII-17
P7NLC 0x03EC6 R/W Port 7 N-ch current capacity selection register VII-24
P8OUT 0x03F18 R/W Port 8 output register VII-7
P8IN 0x03F28 R Port 8 input register VII-11
P8DIR 0x03F38 R/W Port 8 direction control register VII-14
P8PLUP 0x03F48 R/W Port 8 pull-up resistor control register VII-17
SC01SEL 0x03F1C R/W SCIF01 I/O pin control register XIII-9
SC23SEL 0x03F1D R/W SCIF23 I/O pin control register XIII-9
TMIOEN0 0x03F2C R/W 8-bit timer output control register VII-25
TMIOSEL0 0x03F2D R/W 8-bit timer input/output pin selection register VII-26
TMIOEN1 0x03F2E R/W 16-bit timer output control register VII-27
TMIOSEL1 0x03F2F R/W 16-bit timer input/output pin selection register VII-28
CLKOUT 0x03F3E R/W Clock output control register VII-29
IRQIEN 0x03F4C R/W External interrupt input control register III-35
IRQISEL0 0x03F4D R/W External interrupt input pin selection register 0 III-36
IRQISEL1 0x03F3F R/W External interrupt input pin selection register 1 III-37
KEYIEN 0x03F4E R/W KEY interrupt input control register III-44
KEYSEL 0x03F4F R/W KEY interrupt input pin selection register III-43
ANEN0 0x03F5C R/W Analog input control register 0 (Port 1) VII-30
ANEN1 0x03F5D R/W Analog input control register 1 (Port 8) VII-31
BUZCNT 0x03F5F R/W Buzzer output control register VII-32
LCCTR0 0x03E86 R/W LCD output control register 0 XVII-9
LCCTR1 0x03E87 R/W LCD output control register 1 XVII-10
LCCTR2 0x03E88 R/W LCD output control register 2 XVII-11
LCCTR3 0x03E89 R/W LCD output control register 3 XVII-12
LCCTR4 0x03E8A R/W LCD output control register 4 XVII-13
LCCTR5 0x03E8B R/W LCD output control register 5 XVII-14
LCDSEL 0x03E8E R/W LCD COM/SEG selection register XVII-15
Register Address R/W Function Page