參數(shù)資料
型號: MC68HC05C8FB
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP44
封裝: QFP-44
文件頁數(shù): 111/156頁
文件大?。?/td> 1755K
代理商: MC68HC05C8FB
Timer
Advance Information
MC68HC05C8A — Rev. 4.0
58
Timer
MOTOROLA
NOTE:
The I bit in the condition code register should be set while manipulating
both the high and low byte register of a specific timer function to ensure
that an interrupt does not occur.
Figure 8-1. Timer Block Diagram
INPUT
CAPTURE
REGISTER
CLOCK
INTERNAL BUS
OUTPUT
COMPARE
REGISTER
HIGH
BYTE
LOW
BYTE
$16
$17
÷ 4
INTERNAL
PROCESSOR
16-BIT FREE
RUNNING
COUNTER
ALTERNATE
REGISTER
8-BIT
BUFFER
HIGH
BYTE
LOW
BYTE
$1A
$1B
$18
$19
HIGH
BYTE
LOW
BYTE
$14
$15
OUTPUT
COMPARE
CIRCUIT
OVERFLOW
DETECT
CIRCUIT
EDGE
DETECT
CIRCUIT
TIMER
STATUS
REGISTER
ICF
OCF
TOF
$13
ICIE
IEDG
OLVL
OUTPUT
LEVEL
REGISTER
RESET
TIMER
CONTROL
REGISTER
$12
OUTPUT
LEVEL
(TCMP)
INTERRUPT
CIRCUIT
TOIE
OCIE
EDGE
INPUT
(TCAP)
D
CLK
C
Q
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