參數(shù)資料
型號(hào): MC68HC05BD7B
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, PDIP42
封裝: SDIP-42
文件頁(yè)數(shù): 66/85頁(yè)
文件大小: 302K
代理商: MC68HC05BD7B
SECTION 11: MULTI-FUNCTION TIMER
MOTOROLA
Page 59
MC68HC05BD7 Rev. 2.0
GENERAL RELEASE SPECIFICATION
PRELIMINARY
Table 11-1: COP Reset Rates and RTI Rates
11.2.2
MFT Timer Counter Register
This 8-bit free-running counter register, MFTCR, can be read at location $0009. It is cleared
by reset.
RT1
RT0
Min. COP Reset Period @ 2 MHz E Clock
00
01
10
11
64.512 ms
129.024 ms
258.048 ms
516.096 ms
RTI Period @ 2 MHz
1.024 ms
2.048 ms
4.096 ms
8.192 ms
0
7
0000000
6543210
W
R
MFTCR
$0009
reset
MFTCR7
MFTCR6
MFTCR5
MFTCR4
MFTCR3
MFTCR1
MFTCR0
MFTCR2
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