參數(shù)資料
型號: MC68HC11D3CFB1
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQFP44
封裝: QFP-44
文件頁數(shù): 5/131頁
文件大小: 1640K
代理商: MC68HC11D3CFB1
MOTOROLA
TIMING SYSTEM
MC68HC11D3
9-16
TECHNICAL DATA
Figure 9-3 Pulse Accumulator
Pulse accumulator control bits are also located within two timer registers, TMSK2 and
TFLG2, as described in the following paragraphs.
Table 9-3 Pulse Accumulator Timing
Common XTAL Frequencies
Selected Crystal
4.0 MHz
8.0 MHz
12.0 MHz
CPU Clock
(E)
1.0 MHz
2.0 MHz
3.0 MHz
Cycle Time
(1/E)
1000 ns
500 ns
333 ns
Pulse Accumulator (in Gated Mode)
(E/26)
(E/214)
1 count -
overflow -
64.0 s
16.384 ms
32.0 s
8.192 ms
21.33 s
5.461 ms
PACNT
8-BIT COUNTER
2:1
MUX
PA7/
ENABLE
OVERFLOW
1
2
INTERRUPT
REQUESTS
INTERNAL
DATA BUS
INPUT BUFFER
&
EDGE DETECTION
PACTL
TFLG2
TMSK2
PA
O
V
I
PA
II
DDRA7
PAEN
PAM
O
D
PEDG
E
PA
O
V
F
PA
IF
11 PULSE ACC BLOCK
OUTPUT
BUFFER
PAI EDGE
PAEN
E ÷ 64 CLOCK
(FROM MAIN TIMER)
PAI/OC1
FROM
MAIN TIMER
OC1
DISABLE
FLAG SETTING
相關(guān)PDF資料
PDF描述
MC68L11D0CFB3 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQFP44
MC68HC11D0CFN2R2 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQCC44
MC68HC11D3CP1 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PDIP40
MC68L11D0CFBE2R 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQFP44
MC68HC711D3CFB 8-BIT, 2 MHz, MICROCONTROLLER, PQFP44
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HC11D3CFB3 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ROM-based high-performance microcontrollers
MC68HC11D3CFB4 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ROM-based high-performance microcontrollers
MC68HC11D3CFN 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ROM-based high-performance microcontrollers
MC68HC11D3CFN1 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ROM-based high-performance microcontrollers
MC68HC11D3CFN2 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Microcontrollers