tmp89fm82t TOSHIBA Semiconductor CORPORATION, tmp89fm82t Datasheet - Page 127

• Manufacturer Part Number: tmp89fm82t
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

RA000
8.3.4
Peripheral function
Key on
wake
AD
up
used as the analog input and the key-on wakeup input.
port is used as the input mode for Key on wake up input etc.
Port P4 (P47 to P40)
Port P4 is an 8-bit input/output port that can be set to input or output for each bit individually, and it is also
Port P4 contains a programmable pull-up resistor on the VDD side. This pull-up resistor can be used when the
Table 8-9 Port P4
AINi enable signal
ADCCR1<AINEN>
Secondary
function
SYSCR1<OUTEN>
KWIi enable signal
P4PRD read
SYSCR1<STOP>
AIN7
Input/output control
P47
Function control
Pull-up control
(for each bit)
(for each bit)
(for each bit)
(for each bit)
Output latch
P4CR write
P4DR write
P4PU write
P4FC write
Figure 8-6 Port P4 (P43 to P40)
Reset signal(Reset2)
AIN6
P46
KWIi
AIN5
P45
Page 111
AIN4
P44
KWI3
AIN3
P43
KWI2
AIN2
P42
AINi
KWI1
AIN1
P41
VDD
Note1 : R = 100Ω (typ.)
Note2 : R
Note3 : i = 0 to 3
KWI0
AIN0
P40
Programmabel
pull-up resistor
TMP89FM82T
R
R
VDD
IN3
IN3
= 50kΩ (typ.)
P4i