參數(shù)資料
型號: MC705C9ACPE
廠商: Freescale Semiconductor
文件頁數(shù): 59/118頁
文件大?。?/td> 0K
描述: IC MCU 2.1MHZ 16K OTP 40-DIP
標準包裝: 9
系列: HC05
核心處理器: HC05
芯體尺寸: 8-位
速度: 2.1MHz
連通性: SCI,SPI
外圍設(shè)備: POR,WDT
輸入/輸出數(shù): 24
程序存儲器容量: 16KB(16K x 8)
程序存儲器類型: OTP
RAM 容量: 352 x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 40-DIP(0.600",15.24mm)
包裝: 管件
MC68HC05C9A Advance Information Data Sheet, Rev. 4.1
Freescale Semiconductor
45
Chapter 6
Low-Power Modes
6.1 Introduction
This section describes the low-power modes.
6.2 Stop Mode
The STOP instruction places the MCU in its lowest-power consumption mode. In stop mode, the internal
oscillator is turned off, halting all internal processing, including timer operation.
During the stop mode, the TCR bits are altered to remove any pending timer interrupt request and to
disable any further timer interrupts. The timer prescaler is cleared. The I bit in the CCR is cleared to enable
external interrupts. All other registers and memory remain unaltered. All input/output lines remain
unchanged. The processor can be brought out of the stop mode only by an external interrupt or reset. See
Figure 6-1. Stop Recovery Timing Diagram
3FFE
3FFF
INTERNAL
ADDRESS
BUS
INTERNAL
CLOCK
IRQ
(3)
IRQ
(2)
RESET
OSC1
(1)
t
ILCH
4064 t
cyc
RESET OR INTERRUPT
VECTOR FETCH
t
LIH
t
RL
Notes:
1. Represents the internal gating of the OSC1 pin
2. IRQ pin edge-sensitive mask option
3. IRQ pin level and edge-sensitive mask option
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