參數(shù)資料
型號: MC68HC05L25PB
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, PQFP52
封裝: TQFP-52
文件頁數(shù): 130/152頁
文件大?。?/td> 897K
代理商: MC68HC05L25PB
System Clock Control
MC68HC05L25 Data Sheet, Rev. 3.1
Freescale Semiconductor
79
Figure 8-3. Clock Signal Distribution
XOSC
SYSTEM
CLOCK
(PH2)
SEL
1/4
TBR1
TBIF
TBIE
TBR0
RTBIF
COPE COPC
LSB
MSB
LSB
MSB
SEL
LCLK
TBCLK
0
RMC4
RMC3
RMC2
RMC1
RMC0
LCD Clock
(LCDCLK)
TIME BASE
CLOCK (TBCLK)
TIME BASE
CONTROL
REGISTER 1
($10)
TIME BASE CONTROL REGISTER 2 ($11)
F-F
COP RESET
(COPR)
7-BIT DIVIDER #2
7-BIT DIVIDER #3
XOSC1
XOSC2
R
XD
R
XF
X2
C3
C4
0
1
1/6
4
1/
128
1/
128
1/
64
1/
32
0
FTUP
STUP
0
SYS1
SYS0 FOSCE OPTM
MISC REGISTER ($3E)
(0
001
11
1)
(0
00000
0)
OSC
OSC1
OSC2
R
F
X1
C1
C2
SEL
LSB
MSB
7-BIT DIVIDER #1
1/
2
1/
4
1/
8
1/
16
1/32
1/64
SEL
1/3
1/2
SEL
PORT A6
1/2
6-BIT DIVIDER
SEL
0
1
SEL
01
10
00
11
10
01
00
1
0
1
REMOTE
CONTROL
CARRIER
OUTPUT
SEL
POL
BUZZER
OUTPUT
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