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參數(shù)資料
| 型號： | UPD780232 |
| 廠商： | NEC Corp. |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| 中文描述： | 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存 |
| 文件頁數(shù)： | 24/52頁 |
| 文件大小： | 345K |
| 代理商： | UPD780232 |
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24
μ
PD780232
Data Sheet U13415EJ2V0DS
7. STANDBY FUNCTION
The standby function is a function to reduce the current consumption. The following two types of standby functions
are available.
HALT mode:
Halts the CPU operating clock and enables a reduction in the average current consumption by
intermittent operation with normal operation.
STOP mode:
Halts the system clock oscillation. Halts all operations with the system clock and sets an ultra-
low power consumption state.
Figure 7-1. Standby Function
8. RESET FUNCTION
The following two types of resetting methods are available.
External reset by the RESET input
Internal reset by watchdog timer loop detection
9. MASK OPTION
The mask options for the
μ
PD780232 are shown in Table 9-1.
Table 9-1. Pin Mask Option Selection
System clock
operation
HALT mode
(Clock supply to CPU is stopped,
and oscillation is maintained)
STOP instruction
Interrupt
request
Interrupt
request
HALT instruction
STOP mode
(System clock
oscillation is stopped)
Pin Name
Mask Option
FIP 0 to FIP23,
P30/FIP24 to P37/FIP31,
P40/FIP32 to P47/FIP39
An on-chip pull-down resistor can be specified for V
LOAD
in 1-bit units.
P50/FIP40 to P57/FIP47,
P60/FIP48 to P64/FIP52
An on-chip pull-down resistor can be specified for V
LOAD
or V
SS0
in 1-bit units.
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