參數(shù)資料
型號: 68HRC705J5A
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): 59/106頁
文件大?。?/td> 1069K
代理商: 68HRC705J5A
July 16, 1999
GENERAL RELEASE SPECIFICATION
MC68HC05J5A
REV 2.1
16-BIT TIMER
MOTOROLA
9-1
SECTION 9
16-BIT TIMER
This 16-bit Timer (Timer1) is a Programmable Timer with an Input Capture
function.
Figure 9-1
shows a block diagram of the 16-bit programmable timer.
Figure 9-1. 16-Bit Timer Block Diagram
I
I
T
TCNTH ($18)
TCNTL ($19)
16-BIT COUNTER
÷
4
INTERNAL
CLOCK
(f
OSC
÷
2)
TIMER1 CONTROL REGISTER
$12
TIMER1
INTERRUPT
REQUEST
O
RESET
ACNTH ($1A)
ACNTL ($1B)
EDGE
SELECT
& DETECT
LOGIC
I
T
TIMER1 STATUS REGISTER
I
I
$13
INTERNAL DATA BUS
ICH ($14)
ICL ($15)
PB0/
TCAP
SIGNAL
CONDITIONING
TCAPS
(bit 7 at $02)
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