参数资料
型号: MC68HC05J5ADWR2
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO20
封装: SOIC-20
文件页数: 62/106页
文件大小: 1069K
代理商: MC68HC05J5ADWR2
July 16, 1999
GENERAL RELEASE SPECIFICATION
MC68HC05J5A
16-BIT TIMER
MOTOROLA
REV 2.1
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
IEDG
ICIE
T1OIE
TCNTH ($18)
TCNTL ($19)
16-BIT COUNTER
÷ 4
INTERNAL
(fOSC ÷ 2)
TIMER1 CONTROL REGISTER
TIMER1
REQUEST
O
VERFLO
W
(T1OF)
RESET
CLOCK
INTERRUPT
ACNTH ($1A) ACNTL ($1B)
EDGE
SELECT
& DETECT
ICF
T1OF
TIMER1 STATUS REGISTER
IEDG
ICF
$12
$13
INTERNAL DATA BUS
LOGIC
ICH ($14)
ICL ($15)
PB0/
TCAP
SIGNAL
CONDITIONING
TCAPS
(bit 7 at $02)
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