HD404369F datasheet(35/117 Pages) RENESAS

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HD404369 Series

Bit

Initial value

Read/Write

Bit name

MIS3

MIS2

MIS0

MIS1

Miscellaneous register (MIS: $00C)

MIS1

MIS0

T *

0.24414 ms

tRC

0.12207 ms

0.24414 ms

7.8125 ms

62.5 ms

Oscillation Circuit Conditions

External clock input

Ceramic oscillator

15.625 ms

125 ms

Not used

—

Notes: 1.

The values of T and tRC are applied when a 32.768-kHz crystal oscillator is used.

The value is applied only when direct transfer operation is used.

Buffer control.

Refer to figure 34.

MIS3

MIS2

* 1

* 2

Crystal oscillator

Figure 15 Miscellaneous Register (MIS)

Subactive mode

Interrupt strobe

Direct transfer

completion timing

MCU internal

processing period

Oscillation

stabilization

time

Active mode

tRC:

tD:

STOP/SBY instruction execution

(Set LSON = 0, DTON = 1)

Interrupt frame length

Oscillation stabilization period

Transition time

Figure 16 Direct Transition Timing

Stop Mode Cancellation by

STOPC: The MCU enters active mode from stop mode by inputting STOPC

as well as by

RESET. In either case, the MCU starts instruction execution from the starting address

(address 0) of the program. However, the value of the RAM enable flag (RAME: $021, bit 3) differs

between cancellation by

STOPC and by RESET. When stop mode is cancelled by RESET, RAME = 0;

when cancelled by

STOPC, RAME = 1. RESET can cancel all modes, but STOPC is valid only in stop

mode;

STOPC input is ignored in other modes. Therefore, when the program requires to confirm that stop

mode has been cancelled by

STOPC (for example, when the RAM contents before entering stop mode is

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