TMP91CW60DFG datasheet(9/262 Pages) TOSHIBA

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Page 6

2007-12-03

TMP91CW60

1.4

Pin Names and Functions

Table 1-1

Pin Names and Functions(1/3)

Name

Number

Input

Output

Functions

P00-P07

AD0-AD7

Port 0: I/O port that allows I/O to be selected at the bit level

Address data (Lower): 0 to 7 address/data bus

P10-P17

AD8-AD15

A8-A15

Port1: I/O port that allows I/O to be selected at the bit level

Address data (Upper): 8 to 15 of address/data bus

Address: 8 to 15 of address bus

P20-P27

A0-A7

A16-A23

Port 2: I/O port that allows I/O to be selected at the bit level

Address: 0 to 7 of address bus

Address: 16 to 23 of address bus

PZ0

Port Z0: Output port

Read:Strobe signal for reading external memory

PZ1

Port Z1: Output port

Write: Strobe signal for writing data to pins AD0 to AD7

PZ2

HWR

Port Z2: I/O port (with pull-up resistor)

High write: Strobe signal for writing data to pins AD8 to AD15

PZ3

R/W

Port Z3: I/O port (with pull-up resistor)

Read/Write: 1 represents Read or Dummy cycle; 0 represents Write cycle.

P30

TB3IN0

INT3

SDA0

Port 30: I/O port

16-bit timer 3 input 0:Timer B3 count/capture trigger Input 0

Interrupt Request Pin 3: Interrupt request pin with programmable rising edge / falling edge.

Serial bus interface data 0 in I2C bus Mode.

P31

TB3IN1

INT4

SCL0

Port 31: I/O port

16-bit timer 3 input 1:Timer B3 count/capture trigger Input 1

Interrupt Request Pin 4: Interrupt request on rising edge

Serial bus interface clock 0 in I2C bus Mode.

P32

WAIT

TB3OUT0

Port 32: I/O port

Wait: Pin used to request CPU bus wait ((1 N) wait mode)

16-bit timer 3 output 0: Timer B3 Output 0

P33

TB3OUT1

Port 33: I/O port

16-bit timer 3 output 1: Timer B3 Output 1

P40

CS0

SCOUT

Port 40: I/O port (with pull-up resistor)

Chip Select 0: Outputs 0 when address is within specified address area

System Clock Output: Outputs fSYS or fs clock.

P41

CS1

TXD2

Port 41: I/O port (with pull-up resistor)

Chip Select 1: Outputs 0 when address is within specified address area

Serial Send Data 2

P42

CS2

RXD2

Port 42: I/O port (with pull-up resistor)

Chip Select 2: Outputs 0 when address is within specified address area

Serial Receive Data 2

P43

CS3

SCLK2

CTS2

Port 43: I/O port (with pull-up resistor)

Chip Select 3: Outputs 0 when address is within specified address area

Serial Clock I/O 2

Serial Data Send Enable 2 (Clear to Send)

P44

ALE

Port 44: I/O port (with pull-up resistor)

Address Latch Enable

P50-57

AN0-AN7

Port 5: I/O port

Analog input: Pin used to input to AD converter

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