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PDF TMP88CU74F Data sheet ( Hoja de datos )
| Número de pieza | TMP88CU74F | |
| Descripción | CMOS 8-Bit Microcontroller | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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CMOS 8-Bit Microcontroller
TMP88CU74F
TMP88CU74
The TMP88CU74 are the high speed and high performance 8-bit single chip microcomputers.
These MCU contain 8-bit AD conversion inputs and a VFT (Vacuum Fluorescent Tube) driver on a
chip.
Product No.
TMP88CU74F
ROM
96 Kbytes + 256 bytes
RAM
2 Kbytes
Package
P-QFP80-1420-0.80B
OTP MCU
TMP88PU74F
Features
8-bit single chip microcomputer TLCS-870/X Series
P-QFP80-1420-0.80B
Instruction execution time: 0.32 µs (at 12.5 MHz),
122 µs (at 32.768 kHz)
842 basic instructions
General-purpose register: 16 banks
15 interrupt sources (External: 6, Internal: 9)
• All sources have independent latches each
• Edge-selectable external interrupts with noise reject
• High-speed task switching by register bank changeover
Input/Output ports (71 pins)
TMP88CU74F
TMP88PU74F
16-bit timer/counters: 2 channels
• TC1: Timer, Event counter, PPG (Programable Pulse Generator) output, Pulse width
measurement, External trigger timer, Window modes.
• TC2: Timer, Eventcounter, Window modes.
8-bit timer/counters: 2 channels
• TC3: Timer, Eventcounter, Capture (Pulse width/duty measurment)
• TC4: Timer, PWM output, PDO (Programmable Divider Output) mode
000707EBP1
• For a discussion of how the reliability of microcontrollers can be predicted, please refer to Section 1.3 of the chapter entitled Quality
and Reliability Assurance / Handling Precautions.
• TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general
can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer,
when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid
situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to
property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most
recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling Guide for
Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc..
• The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal
equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are
neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or
failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control
instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,
medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document shall be made
at the customer’s own risk.
• The products described in this document are subject to the foreign exchange and foreign trade laws.
• The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by
TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its
use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or
others.
• The information contained herein is subject to change without notice.
Purchase of TOSHIBA I2C components conveys a license under the Philips I2C Patent Rights to use these
components in an I2C system, provided that the system conforms to the I2C Standard Specification as
defined by Philips.
88CU74-1
2003-02-17
1 page  
Pin Functions (1/2)
TMP88CU74
Pin Name
P07 to P03
P02 (SO1)
P01 (SI1)
P00 ( SCK1 )
P17 (INT4/TC3)
P16 (INT2)
P15 (INT3/TC1)
P14 ( PDO / PWM )
P13 ( DVO )
P12 (TC2/ PPG )
P11 (INT1)
P10 ( INT0 )
P22 (XTOUT)
P21 (XTIN)
P20 ( INT5 / STOP )
P32 ( SCK0 )
P31 (SDA/SO0)
P30 (SCL/SI0)
Input/Output
I/O
I/O (Output)
I/O (Input)
I/O (I/O)
I/O (Input)
I/O (Output)
I/O (Output)
I/O (I/O)
I/O (Input)
I/O (Output)
I/O (Input)
I/O (Input)
I/O (I/O/Output)
I/O (I/O/Input)
Function
Two 8-bit programmable input/output
ports (tri-state).
SIO1 Serial data Output
Each bit of these ports can be
SIO1 Serial data Input
individually configured as an input or SIO1 Serial clock input/output
an output under software control.
During reset, all bits are configured
as inputs.
When used as a PPG output or a
divider output, the output latch must
be set to “1”.
External interrupt 4 input or
Timer Counter 3 input
External interrupt 2 input
External interrupt 3 input or Timer
Counter 1 input
PWM output or programmable divider output
Divider output
Timer counter input 2 or programmable pulse
generator output
External interrupt input 1
External interrupt input 0
3-bit input/output port with latch.
Resonator connecting pins (32.8 kHz).
When used as an input port, a
For inputting external clock, XTIN is used and
resonator connecting pin, an
XTOUT is opened.
external interrupt input, or a STOP
mode release input, the output latch External interrupt input 5 or STOP mode release
must be set to “1”.
signal input
3-bit programmable input/output port
(tri-state/programmable open drain). SIO0 clock input/output
Each bit of the port can be individully
configured as an input or an output
under software control.
When used as a serial interface
I2C bus data input/output or SIO0 data output
output, the output latch must be set
to “1”.
I2C bus clock input/output or SIO0 data input
P47 (AIN7)
to P40 (AIN0)
P53 (AIN13)
to P50 (AIN8)
P67 (V7) to P60 (V0)
P77 (V15) to P70 (V8)
P87 (V23) to P80 (V16)
P97 (V31) to P90 (V24)
PD4(V36) to PD0 (V32)
I/O (Input)
I/O (Input)
I/O (Output)
8/4-bit programmable input/output
port (tri-state).
Each bit of the port can be
individually configured as an input or AD converter analog inputs
output under software control.
When used as an analog input set to
input mode.
8-bit high breakdown voltage output
ports with the latch.
When used as an vacuum
fluorescent tube driver output, the
output latch must be cleared to “0”.
VTF output
5-bit high breakdown voltage output
ports with the latch.
When used as an vacuum
fluorescent tube driver output, the
latch must be cleared to “0”.
88CU74-5
2003-02-17
5 Page 
TMP88CU74
DVCR
76543210
(00030H) “0”
“0” DV1CK
(Initial value: **0* ****)
Selection of input clock to the 0: fc/4
DV1CK
1st stage of the divider
1: fc/8
Note 1: fc: High-frequency clock [Hz], *: Don't care
Note 2: Bit 4 to 0 in CGCR is always read in as “1” when a read instruction is executed.
Figure 1.4.4 Clock Gear Control Register
R/W
TBTCR 7 6 5
(00036H) (DVOEN) (DVOCK)
43210
DV7CK (TBTEN)
(TBTCK)
(Initial value: 0**0 0***)
Selection of input clock to the 0: fc/28 or fc/29 [Hz]
DV7CK
7 th stage of the divide
1: fs
Note 1: fc: High-frequency clock [Hz], *: Don't care
Note 2: Do not set DV7CK to “1” in the single clock mode.
Note 3: Do not set DV7CK to “1” before low-frequency clock is stable in the dual-clock mode.
R/W
Figure 1.4.5 Timing Generator Control Register
(2) Machine cycle
Instruction execution and peripheral hardware operation are synchronized with the
main system clock.
The minimum instruction execution unit is called an “machine cycle”. There are a
total of 15 different types of instructions for the TLCS-870/X Series: ranging from
1-cycle instructions which require one machine cycle for execution to 15-cycle
instructions which require 15 machine cycles for execution.
A machine cycle consists of 4 states (S0 to S3), and each state consists of one main
system clock.
1/fc or 1/fs [s]
Main system clock
(fm)
State
S0 S1 S2 S3 S0 S1 S2 S3
Machine cycle
0.32 µs at fc = 12.5 MHz
122 µs at fs = 32.8 kHz
1.4.3
Figure 1.4.6 Machine Cycle
Stand-by Controller
The stand-by controller starts and stops the oscillation circuits for the high-frequency
and low-frequency clocks, and switches the main system clock. There are two operating
modes: single-clock and dual-clock. These modes are controlled by the system control
registers (SYSCR1and SYSCR2).
Figure 1.4.7 shows the operating mode transition diagram and Figure 1.4.8 shows the
system control registers.
(1) Single-clock mode
Only the oscillation circuit for the high-frequency clock is used, and P21 (XTIN) and
P22 (XTOUT) pins are used as input/output ports. In the single-clock mode, the
machine cycle time is 4/fc [s] (0.32 µs at fc = 12.5 MHz).
88CU74-11
2003-02-17
11 Page | ||
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| PDF Descargar | [ Datasheet TMP88CU74F.PDF ] | |
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