參數(shù)資料
型號(hào): MC68HC05J1ACP
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 99/128頁
文件大小: 1650K
代理商: MC68HC05J1ACP
Technical Data
MC68HC05J1A — Rev. 3.0
Multifunction Timer
Multifunction Timer
Figure 8-1. Multifunction Timer Block Diagram
TIMER COUNTER REGISTER ($0009)
LEAST SIGNIFICANT 8 BITS
OF 15-STAGE RIPPLE COUNTER
OVERFLOW
÷ 4
INTERNAL CLOCK
(XTAL
÷ 2)
TIMER STATUS/CONTROL REGISTER ($0008)
TO
F
RT
IF
TO
IE
RT
IE
TO
F
R
RT
IF
R
RT
1
RT
0
RTI RATE SELECT
÷ 2
POWER-ON
RESET (POR)
MOST SIGNIFICANT 7 BITS OF 15-STAGE RIPPLE COUNTER
÷ 2
S
R
Q
INTERRUPT
REQUEST
COP WATCHDOG RESET
IN
T
ER
N
AL
D
A
TA
BU
S
INTERNAL
DATA BUS
CLEAR COP WATCHDOG
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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