NEC V850E/CA1 ATOMIC, Предварительное руководство пользователя

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Chapter 8 Clock Generator
Preliminary User’s Manual U14913EE1V0UM00
Table 8-5: Power Saving Mode Frequencies
Note: Only for flash devices: In IDLE mode flash memory is active, in watch mode the power supply to
the flash memory is switched off.
Clock Source Mode Operation of Clock Supply to
oscillator PLL peripherals CPU LCD
prescaler
watch/
watch-
dog
prescaler
OSC
mode Initial Status Normal
❍
– 4 MHz 4 MHz 4 MHz /
[2
7
]
4 MHz /
[2
7
, 2
9
]
PLL enabled Normal
❍ ❍
16 MHz 16 MHz 4 MHz /
[2
7
]
4 MHz /
[2
7
, 2
9
]
watch mode/
IDLE
Note1
❍
– – – 4 MHz /
[2
7
]
4 MHz /
[2
7
, 2
9
]
HALT
❍ ❍
16 MHz – 4 MHz /
[2
7
]
4 MHz /
[2
7
, 2
9
]
STOP – – – – – –
Direct mode Normal – – 16 MHz 16 MHz 32 MHz /
[2
10
]
32 MHz /
[2
10
, 2
12
]
watch mode/
IDLE
Note1
– – – – 32 MHz /
[2
10
]
32 MHz /
[2
10
, 2
12
]
HALT – – 16 MHz 32 MHz /
[2
10
]
32 MHz /
[2
10
, 2
12
]
STOP – – – – – –