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參數(shù)資料
| 型號(hào)： | FM3216-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(yè)數(shù)： | 7/20頁(yè) |
| 文件大?。?/td> | 285K |
| 代理商： | FM3216-S |
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FM3204/16/64/256
Rev 2.1
Dec. 2004
Page 7 of 20
be tied to 5V since the V
BAK
(max) specification
will be exceeded. A 1 μF capacitor will keep
the companion functions working for about 1.5
second.
Although V
BAK
may be connected to V
SS
, this is not
recommended if the companion is used. None of the
companion functions will operate below about 2.5V.
!
Note: systems using lithium batteries should clear
the VBC bit to 0 to prevent battery charging. The
V
BAK
circuitry includes an internal 1 K
series
resistor as a safety element.
Register Map
The processor companion functions are accessed via 16 special function registers that are mapped to a separate 2-
wire device ID. The interface protocol is described below. The registers contain control bits, or information flags. A
description of each register follows.
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
RESERVED
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
-
WP1
WDT4
LB
DO NOT USE
10h
0Fh
0Eh
0Dh
0Ch
0Bh
0Ah
09h
00-08h
-
-
-
-
-
-
-
RC
WP0
WDT3
WR3
CC
VBC
WDT2
WR2
C2P
VTP1
WDT1
WR1
C1P
VTP0
WDT0
WR0
SNL
WDE
WTR
POR
-
11h
*Note that the usable address range starts at address 09h to preserve software compatibility with the FM31xx
device family, which includes a real-time clock in registers 00-08h.
Note: When the device is first powered up and programmed, all registers must be written because the battery-
backed register values cannot be guaranteed. The table below shows the default values of the non-volatile
registers. All other register values should be treated as unknown.
Default Register Values
Address
Hex Value
18h
0x00
17h
0x00
16h
0x00
15h
0x00
14h
0x00
13h
0x00
12h
0x00
11h
0x00
0Bh
0x00
0Ah
0x1F
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| FM32256 | Integrated Processor Companion with Memory |
| FM32256-G | Integrated Processor Companion with Memory |
| FM32256-S | Integrated Processor Companion with Memory |
| FM3264 | Integrated Processor Companion with Memory |
| FM3264-G | Integrated Processor Companion with Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FM3216-STR | 功能描述:監(jiān)控電路 16K w/Pwr Mon WDT Bat Sw Pwr Fail RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| FM3222-0 | 制造商:Power-One 功能描述:DC/DC,SNGL-OUT - Bulk |
| FM32256 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Integrated Processor Companion with Memory |
| FM32256-G | 功能描述:監(jiān)控電路 256K w/Pwr Mon WDT Bat Sw Pwr Fail RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| FM32256-GTR | 功能描述:監(jiān)控電路 256K w/Pwr Mon WDT Bat Sw Pwr Fail RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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