參數(shù)資料
型號: MC68HC05SB7
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封裝: MO-150, SSOP-28
文件頁數(shù): 131/170頁
文件大?。?/td> 2161K
代理商: MC68HC05SB7
August 27, 1998
GENERAL RELEASE SPECIFICATION
MC68HC05SB7
16-BIT TIMER
MOTOROLA
REV 2.1
10-1
SECTION 10
16-BIT TIMER
The MC68HC05SB7 MCU contains a 16-bit programmable Timer with an Input
Capture function and an Output Compare function. Figure 10-1 shows a block
diagram of the 16-bit programmable timer.
Figure 10-1. Programmable Timer Block Diagram
IEDG
OL
VL
ICIE
OCIE
T
OIE
TMRH ($0018) TMRL ($0019)
16-BIT COUNTER
÷ 4
INTERNAL
(fOSC ÷ 2)
TIMER CONTROL REGISTER
TIMER
REQUEST
O
VERFLO
W
(T
OF)
RESET
CLOCK
INTERRUPT
ACRH ($001A) ACRL ($001B)
16-BIT COMPARATOR
OCRH ($0016) OCRL ($0017)
PB1
TCAP
EDGE
SELECT
& DETECT
ICF
OCF
TO
F
TIMER STATUS REGISTER
IEDG
ICF
OCF
OL
VL
$0012
$0013
INTERNAL DATA BUS
LOGIC
INPUT
SELECT
MUX
CPF
FLAG
ICEN
(bit 4 of $1D)
BIT
ICRH ($0014)
ICRL ($0015)
D
C
Q
TCMP
TCSEL
(bit 2 of $0B)
SCL
OF
SMBUS
(from
analog
subsystem)
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