參數(shù)資料
型號: MCC68HC711D3
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 3 MHz, MICROCONTROLLER, UUC
封裝: DIE
文件頁數(shù): 6/157頁
文件大小: 2252K
代理商: MCC68HC711D3
Programmable Timer
Output Compare (OC)
MC68HC711D3 — Rev. 2
Data Sheet
MOTOROLA
Programmable Timer
103
8.4.1 Timer Output Compare Registers
All output compare registers are 16-bit read-write. Each is initialized to $FFFF at
reset. If an output compare register is not used for an output compare function, it
can be used as a storage location. A write to the high-order byte of an output
compare register pair inhibits the output compare function for one bus cycle. This
inhibition prevents inappropriate subsequent comparisons. Coherency requires a
complete 16-bit read or write. However, if coherency is not needed, byte accesses
can be used.
For output compare functions, write a comparison value to output compare
registers TOC1–TOC4 and TI4/O5. When TCNT value matches the comparison
value, specified pin actions occur.
Address: $0016 — TOC1 (High)
Bit 15
14
13
12
11
10
9
Bit 8
Read:
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
Write:
Reset:
11111111
Address: $0017 — TOC1 (Low)
Bit 7
654321
Bit 0
Read:
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0
Write:
Reset:
11111111
Address:
$0018 — TOC2 (High)
Bit 15
14
13
12
11
10
9
Bit 8
Read:
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
Write:
Reset:
11111111
Address: $0019 — TOC2 (Low)
Bit 7
654321
Bit 0
Read:
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0
Write:
Reset:
11111111
Address: $001A — TOC3 (High)
Bit 15
14
13
12
11
10
9
Bit 8
Read:
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
Write:
Reset:
11111111
Figure 8-6. Timer Output Capture Registers (TOCx)
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