參數(shù)資料
型號(hào): 68HC705PL4
廠商: Motorola, Inc.
英文描述: 8-Bit Microcontroller Units (MCU).(8位微控制器)
中文描述: 8位微控制器單元(MCU)。(8位微控制器)
文件頁數(shù): 51/98頁
文件大?。?/td> 1019K
代理商: 68HC705PL4
April 30, 1998
GENERAL RELEASE SPECIFICATION
MC68HC05PL4
REV 2.0
16-BIT PROGRAMMABLE TIMER
MOTOROLA
9-1
SECTION 9
16-BIT PROGRAMMABLE TIMER
The MC68HC05PL4 MCU contains a 16-bit programmable Timer with an Input
Capture function and an Output Compare function as shown by the block diagram
in
Figure 9-1
.
Figure 9-1. Programmable Timer Block Diagram
I
O
I
O
T
TMRH ($0018)
TMRL ($0019)
16-BIT COUNTER
÷
4
INTERNAL
CLOCK
(XTAL
÷
2)
TIMER CONTROL REGISTER
$0012
TIMER
INTERRUPT
REQUEST
O
RESET
ACRH ($001A)
ACRL ($001B)
16-BIT COMPARATOR
OCRH ($0016)
OCRL ($0017)
PA2
TCAP
EDGE
SELECT
& DETECT
LOGIC
I
O
T
TIMER STATUS REGISTER
I
I
O
O
$0013
INTERNAL DATA BUS
ICRH ($0014)
ICRL ($0015)
D
C
Q
PA3
TCMP
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