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TMP88CU74F Datasheet(PDF) 13 Page - Toshiba Semiconductor

No. de pieza TMP88CU74F
Descripción Electrónicos  CMOS 8-BIT MICROCONTROLLER
PDF  132 Pages
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Fabricante Electrónico  TOSHIBA [Toshiba Semiconductor]
Página de inicio  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMP88CU74F Datasheet(HTML) 13 Page - Toshiba Semiconductor

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TMP88CU74
2003-02-17
88CU74-13
4.
SLEEP mode
In this mode, the internal oscillation circuit of the low-frequency clock remains
active. The CPU, the watchdog timer, and the internal oscillation circuit of the
high-frequency clock are halted; however, on-chip peripherals remain active
(operate using the low-frequency clock). Starting and releasing of SLEEP mode
are the same as for IDLE1 mode, except that operation returns to SLOW mode.
5.
STOP2 mode
As in STOP1 mode, all system operations are halted in this mode.
As in NORMAL2 mode at the start, the operating mode returns to NORMAL2
mode, and as in SLOW mode at the start, it returns to SLOW mode after release.
(a) Single-clock mode
(b) Dual-clock mode
Note: NORMAL1 and NORMAL2 modes are generically called NORMAL;
STOP1 and STOP2 are called STOP; and IDLE1, IDLE2 and SLEEP are called IDLE.
Frequency
Operating Mode
High-
frequency
Low-
frequency
CPU Core
On-chip Peripherals
Machine Cycle Time
RESET1
Reset
Reset
NORMAL1
Operate
IDLE1
Turning on
oscillation
Operate
4/fc [s]
STOP1
Turning off
oscillation
Turning off
oscillation
Halt
Halt
NORMAL2
High-frequency
IDLE2
Turning on
oscillation
Halt
Operate
(High and/or Low)
4/fc [s]
SLOW
Low-frequency
SLEEP
Turning on
oscillation
Low-frequency
4/fs [s]
STOP2
Turning off
oscillation
Turning off
oscillation
Halt
Halt
Figure 1.4.7 Operating Mode Transition Diagram
RESET
NORMAL1
mode
NORMAL2
mode
SLOW
mode
IDLE1
mode
IDLE2
mode
SLEEP
mode
STOP1
mode
STOP2
mode
Instruction
Instruction
Instruction
Instruction
Instruc-
tion
Release input
Interrupt
Release
input
Reset release
Instruction
Instruction
Interrupt
Instruction
Interrupt
2007-10-19



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