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參數(shù)資料
| 型號： | SX20AC75 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Configurable Communications Controllers with EE/Flash Program Memory, In-System Programming Capability and On-Chip Debug |
| 中文描述： | 配置通信控制器與電子工程/閃存程序存儲器，在系統(tǒng)編程能力和片上調(diào)試 |
| 文件頁數(shù)： | 12/52頁 |
| 文件大小： | 688K |
| 代理商： | SX20AC75 |
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2000 Scenix Semiconductor, Inc. All rights reserved.
- 12 -
www.scenix.com
SX18AC/SX20AC/SX28AC/SX18AC75/SX20AC75/SX28AC75
4.3
OPTION Register
When the OPTIONX bit in the FUSE word is cleared, bits
7 and 6 of the OPTION register function as described
below.
When the OPTIONX bit is set, bits 7 and 6 of the
OPTION register read as ‘1’s.
RTW
RTCC/W register selection:
0 = Register 01h addresses W
1 = Register 01h addresses RTCC
RTE_IE
RTCC edge interrupt enable:
0 = RTCC roll-over interrupt is enabled
1 = RTCC roll-over interrupt is disabled
RTS
RTCC increment select:
0 = RTCC increments on internal instruction
cycle
1 = RTCC increments upon transition on
RTCC pin
RTE_ES
RTCC edge select:
0 = RTCC increments on low-to-high transi-
tions
1 = RTCC increments on high-to-low transi-
tions
PSA
Prescaler Assignment:
0 = Prescaler is assigned to RTCC, with di-
vide rate determined by PS0-PS2 bits
1 = Prescaler is assigned to WDT, and divide
rate on RTCC is 1:1
PS2-PS0
Prescaler divider (see Table 4-2)
Upon reset, all bits in the OPTION register are set to 1.
RTW
RTE
_IE
RTS
RTE
_ES
PSA
PS2
PS1
PS0
Bit 7
Bit 0
Table 4-2. Prescaler Divider Ratios
PS2, PS1, PS0
RTCC
Divide Rate
1:2
1:4
1:8
1:16
1:32
1:64
1:128
1:256
Watchdog Timer
Divide Rate
1:1
1:2
1:4
1:8
1:16
1:32
1:64
1:128
000
001
010
011
100
101
110
111
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| SX28AC | Configurable Communications Controllers with EE/Flash Program Memory, In-System Programming Capability and On-Chip Debug |
| SX18AC75 | Configurable Communications Controllers with EE/Flash Program Memory, In-System Programming Capability and On-Chip Debug |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SX20AC75-I/DP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Configurable Communications Controllers with EE/Flash Program Memory, In-System Programming Capability and On-Chip Debug |
| SX20AC75-I/PQ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Configurable Communications Controllers with EE/Flash Program Memory, In-System Programming Capability and On-Chip Debug |
| SX20AC75-I/SO | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Configurable Communications Controllers with EE/Flash Program Memory, In-System Programming Capability and On-Chip Debug |
| SX20AC75-I/SS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Configurable Communications Controllers with EE/Flash Program Memory, In-System Programming Capability and On-Chip Debug |
| SX20AC75-I/TQ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Configurable Communications Controllers with EE/Flash Program Memory, In-System Programming Capability and On-Chip Debug |
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