TMP86CM29BUG datasheet(71/196 Pages) TOSHIBA

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Page 57

TMP86CM29BUG

Note 1: When used as an INT0, ECNT and ECIN pins of a secondary function, the respective bit of P6CR should be set to “0”and

the P6 should set to “1”.

Note 2: When used as an STOP2 to STOP5 pins of Key on Wake up, the respective bit of P6CR should be set to “0”.

Note 3: When a read instruction for port P6 is executed, the bit of Analog input mode becomes read data “0”.

Note: Although P6DR is a read/writer register, because it is also used as an input mode control function, read-modify-

write instructions such as bit manipulate instructions cannot be used.

Read-modify-write instruction writes the all data of 8-bit after data is read and modified. Because a bit setting Input

mode read data of terminal, the output latch is changed by these instruction. So P6 port can not input data.

Port P6 control register

P6DR

(0006H)

R/W

543

P67

AIN7

STOP5

P66

AIN6

STOP4

P65

AIN5

STOP3

P64

AIN4

STOP2

P63

AIN3

INT0

P62

AIN2

ECNT

P61

AIN1

ECIN

P60

AIN0

(Initial value: 0000 0000)

P6CR

(000CH)

543

(Initial value: 0000 0000)

P6CR

I/O control for port P6

(specified for each bit)

AINDS = 1 (AD unused)

AINDS = 0 (AD used)

R/W

P6DR = “0”

P6DR = “1”

P6DR = “0”

P6DR = “1”

Input “0” fixed

Input mode

AD input#1

Input mode

Output mode

Do not set output mode to pin which is used for an analog input.

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