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参数资料
| 型号： | FM3316-G |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO14 |
| 封装： | GREEN, MO-012AB, SOIC-14 |
| 文件页数： | 15/28页 |
| 文件大小： | 320K |
| 代理商： | FM3316-G |
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FM33256/FM3316 SPI Companion w/ FRAM
Rev. 2.0
Feb. 2009
Page 22 of 28
After the op-code and address are issued, the device
drives out the read data on the next 8 clocks. The SI
input is ignored during read data bytes. Subsequent
bytes are data bytes, which are read out sequentially.
Addresses are incremented internally as long as the
bus master continues to issue clocks and /CS is low.
If the last address is reached (e.g. 7FFFh on the
FM33256), the counter will roll over to 0000h. Data
is read MSB first. The rising edge of /CS terminates a
READ operation.
A read operation is shown in
Figure 20.
CS
SCK
SI
SO
0
1
234
56
7
00
Hi-Z
1
MSB
LSB
012
34
6
7
X
0
Op-code
16-bit Address
0
1
11
12
13
14
01
23
45
67
7
Data In
0
1
2
3
4
5
6
MSB
LSB
7
0
00
0
Figure 19. Memory Write
CS
SCK
SI
SO
0
1
234
56
7
00
Hi-Z
1
MSB
LSB
012
34
6
7
X
0
Op-code
16-bit Address
0
1
11
12
13
14
01
23
45
67
7
Data Out
0
1
2
3
4
5
6
MSB
LSB
7
0
1
00
0
Figure 20. Memory Read
Addressing F-RAM Array in the FM33xx Family
The FM33xx devices include 256Kb and 16Kb memory densities. The following 2-byte address field is shown for
each density.
Table 7. Two-Byte Memory Address
Part #
1
st Address Byte
2
nd Address Byte
FM33256
x
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
FM3316
x
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
相关PDF资料 |
PDF描述 |
|---|---|
| FM33256-GTR | SPECIALTY CONSUMER CIRCUIT, PDSO14 |
| FM33256-G | SPECIALTY CONSUMER CIRCUIT, PDSO14 |
| FM4005-G | SPECIALTY CONSUMER CIRCUIT, PDSO14 |
| FME270-461/ES | 1 FUNCTIONS, 400 V, 1.5 A, DATA LINE FILTER |
| FME270-461V/ES | 1 FUNCTIONS, 400 V, 1.5 A, DATA LINE FILTER |
相关代理商/技术参数 |
参数描述 |
|---|---|
| FM3316-GTR | 功能描述:F-RAM 16K w/Pwr Mon WDT Bat Sw Pwr Fail RoHS:否 存储容量:512 Kbit 组织:64 K x 8 接口:SPI 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube 制造商:Cypress Semiconductor |
| FM33256 | 制造商:RAMTRON 制造商全称:RAMTRON 功能描述:3V Integrated Processor Companion with Memory |
| FM33256_09 | 制造商:RAMTRON 制造商全称:RAMTRON 功能描述:3V Integrated Processor Companion with Memory |
| FM33256B | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:3V Integrated Processor Companion with F-RAM |
| FM33256B-G | 功能描述:实时时钟 256Kb F-RAM Processor Companion RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
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