LC877248A 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LC877248A

8-Bit Single Chip Microcontroller with 64/56/48 KB ROM and 2048-Byte RAM On Chip

SANYO -> Panasonic 

LC877264A/56A/48A

(16) Oscillation circuits

- On-chip RC oscillation for system clock use.

- CF oscillation for system clock use. (Rf built in, Rd external)

- Crystal oscillation low speed system clock use. (Rf built in, Rd external)

(17) Standby function

- HALT mode

HALT mode is used to reduce power consumption. During the HALT mode, program execution is stopped but

peripheral circuits keep operating (some parts of serial transfer operation stop.)

1) Oscillation circuits are not stopped automatically.

2) Released by the system reset or interrupts.

-HOLD mode

HOLD mode is used to reduce power consumption. Program execution and peripheral circuits are stopped.

1) CF, RC and crystal oscillation circuits stop automatically.

2) Released by any of the following conditions.

(1) Low level input to the reset pin

(2) Specified level input to one of INT0, INT1, INT2

(3) Port 0 interrupt

-X’tal HOLD made

X’tal HOLD mode is used to reduce power consumption. Program execution is stopped.

All peripheral circuits except the base timer are stopped.

1) CF and RC oscillation circuits stop automatically.

2) Crystal oscillator operation is kept in its state at HOLD mode inception.

3) Released by any of the following conditions

(1) Low level input to the reset pin

(2) Specified level input to one of INT0, INT1, INT2

(3) Port 0 interrupt

(4) Base-timer interrupt

(18) Package

- QIP100E

- SQFP100

(19) Development tools

- Evaluation chip : LC876096

- Emulator: EVA62S + ECB876500 (Evaluation chip board) + SUB877200 + POD100QIP

or POD100SQFP (Type B)

- Flash ROM version: LC87F72C8A

No.6719-4/24

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