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TMP19A43CD Datasheet(PDF) 8 Page - Toshiba Semiconductor

No. de pieza TMP19A43CD
Descripción Electrónicos  32-bit RISC Microprocessor
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Fabricante Electrónico  TOSHIBA [Toshiba Semiconductor]
Página de inicio  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMP19A43CD Datasheet(HTML) 8 Page - Toshiba Semiconductor

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TMP19A43
2.3
Pin Names and Functions
Table 2-2 through Table 2-7 show the names and functions of input and output pins.
Table 2-2
Pin Names and Functions (1 of 6)
Pin name
Number
of pins
Input or
output
Function
P00-P07
8
Input/output
Port 0: Input/output port (with pull-up) that allows input/output to be set in units of bits
D0-D7
Input/output
Data (lower): Data bus 0 to 7 (separate bus mode)
AD0-D7
Input/output
Address data (lower): Address data bus 0 to 7 (multiplexed bus mode)
P10-P17
8
Input/output
Port 1: Input/output port (with pull-up) that allows input/output to be set in units of bits
D8-D15
Input/output
Data (upper): Data bus 8 to 15 (separate bus mode)
AD8-AD15
Input/output
Address data (upper): Address data bus 8 to 15 (multiplexed bus mode)
A8-A15
Output
Address: Address bus 8 to 15 (multiplexed bus mode)
P20-P27
8
Input/output
Port 2: Input/output port (with pull-up) that allows input/output to be set in units of bits
A16-A23
Output
Address: Address bus 15 to 23 (separate bus mode)
A0-A7
Output
Address: Address bus 0 to 7 (multiplexed bus mode)
TB0IN0,TB0IN1
Input
16-bit timer 0 input 0,1: For inputting the count/capture trigger of a 16-bit timer 0
TB1IN0,TB1IN1
Input
16-bit timer 1 input 0,1: For inputting the count/capture trigger of a 16-bit timer 1
TB4IN0,TB4IN1
Input
16-bit timer 4 input 0,1: For inputting the count/capture trigger of a 16-bit timer 4
TB5IN0,TB5IN1
Input
16-bit timer 5 input 0,1: For inputting the count/capture trigger of a 16-bit timer 5
P30
1
Output
Port 30: Port used exclusively for output
RD
Output
Read: Strobe signal for reading external memory
P31
1
Output
Port 31: Port used exclusively for output
WR
Output
Write: Strobe signal for writing data of D0 to D7 pins
P32
1
Input/output
Port 32: Input/output port (with pull-up)
HWR
Output
Write upper-pin data: Strobe signal for writing data of D8 to D15 pins
TC0IN
Input
For inputting the capture trigger for 32-bit timer
P33
1
Input/output
Port 33: Input/output port (with pull-up)
WAIT
Input
Wait: Pin for requesting CPU to put a bus in a wait state
RDY
Input
Ready: Pin for notifying CPU that a bus is ready
P34
1
Input/output
Port 34: Input/output port (with pull-up)
BUSRQ
Input
Bus request: Signal requesting CPU to allow an external master to take the bus control
authority
TBEOUT
Output
16-bit timer E output: Pin for outputting 16-bit timer E
P35
1
Input/output
Port 35: Input/output port (with pull-up)
BUSAK
Output
Bus acknowledge: Signal notifying that CPU has released the bus control authority in response
to BUSRQ
TC1IN
Input
For inputting the capture trigger for 32-bit timer
P36
1
Input/output
Port 36: Input/output port (with pull-up)
W
/
R
Output
Read/write: "1" shows a read cycle or a dummy cycle. "0" shows a write cycle.
TC2IN
Input
For inputting the capture trigger for 32-bit timer
P37
1
Input/output
Port 37: Input/output port (with pull-up)
ALE
Output
Address latch enable (address latch is enabled only if access to external memory is taking
place)
TC3IN
Input
For inputting the capture trigger for 32-bit timer
P40
1
Input/output
Port 40: Input/output port (with pull-up)
CS0
Output
Chip select 0: "0" is output if the address is in a designated address area.
KEY24
Input
KEY on wake up input 24: (Dynamic pull up is selectable)
Input with Schmitt trigger
with Noise filter
P41
1
Input/output
Port 41: Input/output port (with pull-up)
CS1
Output
Chip select 1: "0" is output if the address is in a designated address area.
KEY25
Input
KEY on wake up input 25: (Dynamic pull up is selectable)
Input with Schmitt trigger
with Noise filter
P42
1
Input/output
Port 42: Input/output port (with pull-up)
CS2
Output
Chip select 2: "0" is output if the address is in a designated address area.
KEY26
Input
KEY on wake up input 26: (Dynamic pull up is selectable)
Input with Schmitt trigger
with Noise filter
TMP19A43 (rev2.0) 2-3
Pin Layout and Pin Functions


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