參數(shù)資料
型號: S1R72803F00A100
元件分類: 微控制器/微處理器
英文描述: 1 CHANNEL(S), 400M bps, SERIAL COMM CONTROLLER, PQFP100
封裝: 0.40 MM PITCH, PLASTIC, QFP20-184
文件頁數(shù): 76/115頁
文件大小: 833K
代理商: S1R72803F00A100
S1R72803F00A
EPSON
59
Cycle Time Register
Each of CycSecond, CycCount, and CycOffset Registers updates the timer by updating the current value of the
cycle timer used for isochronous transfer.
When the self node is a CYCLE MASTER, set the value of each register in the CYCLE START PACKET.
When the self node is not a CYCLE MASTER, set the cycle_time_data of a received CYCLE START PACKET
on each register.
This register is enabled when LINKCtl(Hi). DisCycTimer=“0”.
Reserve this register as a CycSecond(Hi) for WORD access.
CYCLE_TIME.second_count
This bit field indicates an integer at the place of Second of the cycle timer.
It is enabled when the LINKCtl(H).DisCycTimer= “0” and the Cycle Second is incremented every time the
CycleCount reaches 8000. When the Cycle Second exceeds 127, it is restored to 0.
CYCLE_TIME.cycle_count
When the self node is a CYCLE MASTER and the DisCycTimer=“0”, it is incremented every time the Cycle
Offset reached 3072. When the Cycle Count reaches 8000, it is restored to 0.
CYCLE_TIME. cycle.offset
When the self node is a CYCLE TIMER and the DisCycTimer=“0”, it is incremented in a cycle of 24.576MHz.
When the Cycle Offset reaches 3072, it is restored to 0 and then the Cycle Count is incremented.
Address
Register Name
Bit Symbol
R/W
Description
H.Rst S.Rst B.Rst
0x2C
CYCLE_TIME_H
7: Cycle Second[6]
6: Cycle Second[5]
5: Cycle Second[4]
4: Cycle Second[3]
R/W
CYCLE_TIME.second_count
0x00
3: Cycle Second[2]
2: Cycle Second[1]
1: Cycle Second[0]
0: Cycle Count[12]
0x2D
CYCLE_TIME_MH
7: Cycle Count[11]
6: Cycle Count[10]
5: Cycle Count[9]
4: Cycle Count[8]
0x00
3: Cycle Count[7]
2: Cycle Count[6]
R/W
CYCLE_TIME.cycle_count
1: Cycle Count[5]
0: Cycle Count[4]
0x2E
CYCLE_TIME_ML
7: Cycle Count[3]
6: Cycle Count[2]
5: Cycle Count[1]
4: Cycle Count[0]
0x00
3: Cycle Offset[11]
2: Cycle Offset[10]
1: Cycle Offset[9]
0: Cycle Offset8[]
0x2F
CYCLE_TIME_L
7: Cycle Offset[7]
6: Cycle Offset[6]
R/W
CYCLE_TIME.cycle_offset
5: Cycle Offset[5]
4: Cycle Offset[4]
0x00
3: Cycle Offset[3]
2: Cycle Offset[2]
1: Cycle Offset[1]
0: Cycle Offset[0]
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