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參數資料
| 型號： | FM31256-S |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Integrated Processor Companion with Memory |
| 中文描述： | 綜合處理器與記憶體伴侶 |
| 文件頁數： | 9/22頁 |
| 文件大小： | 286K |
| 代理商： | FM31256-S |
Register Map
The RTC and processor companion functions are accessed via 25 special function registers mapped to a separate 2-
wire device ID. The interface protocol is described below. The registers contain timekeeping data, control bits, or
information flags. A description of each register follows the summary table below.
FM3104/16/64/256
Rev 0.2
May 2003
Page 9 of 22
Register Map Summary Table
Nonvolatile =
Battery-backed =
Data
Address
18h
17h
16h
15h
14h
13h
12h
D7
D6
D5
D4
D3
D2
D1
D0
Function
Serial Number 7
Serial Number 6
Serial Number 5
Serial Number 4
Serial Number 3
Serial Number 2
Serial Number 1
Serial Number 0
Event Counter 2 MSB
Event Counter 2 LSB
Event Counter 1 MSB
Event Counter 1 LSB
Event Count Control
Companion Control
Watchdog Control
Watchdog Restart/Flags
Years
Month
Date
Day
Hours
Minutes
Seconds
CAL/Control
RTC Control
Range
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
Serial Number Byte 7
Serial Number Byte 6
Serial Number Byte 5
Serial Number Byte 4
Serial Number Byte 3
Serial Number Byte 2
Serial Number Byte 1
Serial Number Byte 0
Counter 2 MSB
Counter 2 LSB
Counter 1 MSB
Counter 1 LSB
10h
0Fh
0Eh
0Dh
0Ch
0Bh
0Ah
09h
08h
07h
06h
05h
04h
03h
02h
01h
00h
RC
WP0
WDT3
WR3
CC
VBC
WDT2
WR2
C2P
VTP1
WDT1
WR1
C1P
VTP0
WDT0
WR0
SNL
WDE
WTR
-
-
-
-
WP1
WDT4
-
POR
LB
10 years
years
months
date
00-99
1-12
1-31
1-7
0-23
0-59
0-59
0
0
0
0
0
0
0
0
0
0
0
10 mo
10 date
0
0
0
day
10 hours
hours
minutes
seconds
10 minutes
10 seconds
CALS
reserved
/OSCEN
reserved
reserved
CF
CAL4
reserved
CAL3
reserved
CAL2
CAL
CAL1
W
CAL0
R
11h
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相關代理商/技術參數 |
參數描述 |
|---|---|
| FM31256-STR | 功能描述:監控電路 256K w/RTC Pwr Mon WDT Bat Sw PF RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| FM31272 | 制造商:RAMTRON 制造商全稱:RAMTRON 功能描述:5V Integrated Processor Companion with Memory |
| FM31272-G | 功能描述:F-RAM 4K w/RTC Pwr Mon WDT Bat Sw PF RoHS:否 存儲容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor |
| FM31272-GTR | 功能描述:F-RAM 4K w/RTC Pwr Mon WDT Bat Sw PF RoHS:否 存儲容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor |
| FM31274 | 制造商:RAMTRON 制造商全稱:RAMTRON 功能描述:5V Integrated Processor Companion with Memory |
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