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參數(shù)資料
| 型號(hào)： | PSD835F2-B-12UI |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Configurable Memory System on a Chip for 8-Bit Microcontrollers |
| 中文描述： | 在8片位微控制器可配置存儲(chǔ)系統(tǒng) |
| 文件頁數(shù)： | 56/110頁 |
| 文件大?。?/td> | 570K |
| 代理商： | PSD835F2-B-12UI |
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PSD835G2
PSD8XX Family
55
The
PSD835G2
Functional
Blocks
(cont.)
Control
Register
Setting
Direction
Register
Setting
VM
Defined In
PSDsoft
Register
Setting
JTAG
Mode
Declare
pins only
0
1= output,
0= input
(Note 1)
MCU I/O
(Note 3)
NA
NA
Declare pins
and logic
equations
PLD I/O
NA
(Note 1)
NA
NA
Data Port
(Port F)
Selected for
MCU with
non-mux bus
NA
NA
NA
NA
Address Out
(Port E, F, G)
Declare
pins only
1
1 (Note 1)
NA
NA
Declare pins or
logic equation
Address In
(Port A,B,C,D,F) for input
NA
NA
NA
NA
Micro
Cells
Peripheral I/O
(Port F)
Logic equations
(PSEL0 & 1)
NA
NA
PIO bit =1
NA
JTAG ISP
(Note 2)
Declare pins
only
NA
NA
NA
JTAG_Enable
Table 17. Port Operating Mode Settings
*
NA = Not Applicable
NOTE:
1. The direction of the Port A,B,C, and F pins are controlled by the Direction Register ORed with the
individual output enable product term (.oe) from the CPLD AND array.
2. Any of these three methods will enable JTAG pins on Port E.
3. Control Register setting is not applicable to Ports A, B and C.
9.4.2.1 MCU I/OMode
In the MCU I/O Mode, the microcontroller uses the PSD835G2 ports to expand its own
I/O ports. By setting up the CSIOP space, the ports on the PSD4000 are mapped into the
microcontroller address space. The addresses of the ports are listed in Table 6.
A port pin can be put into MCU I/O mode by writing a ‘0’ to the corresponding bit in the
Control Register (Port E, F and G). The MCU I/O direction may be changed by writing to
the corresponding bit in the Direction Register, or by the output enable product term. See
the subsection on the Direction Register in the “Port Registers” section. When the pin is
configured as an output, the content of the Data Out Register drives the pin. When config-
ured as an input, the microcontroller can read the port input through the Data In buffer.
See Figure 22.
Ports A, B and C do not have Control Registers, and are in MCU I/O mode by default.
They can be used for PLD I/O if they are specified in PSDsoft.
9.4.2.2 PLD I/OMode
The PLD I/O Mode uses a port as an input to the CPLD’s Input Micro
Cells, and/or as an
output from the CPLD’s Output Micro
Cells. The output can be tri-stated with a control
signal. This output enable control signal can be defined by a product term from the PLD, or
by setting the corresponding bit in the Direction Register to ‘0’. The corresponding bit in the
Direction Register must not be set to ‘1’ if the pin is defined as a PLD input pin in PSDsoft.
The PLD I/O Mode is specified in PSDsoft by declaring the port pins, and then specifying
an equation in PSDsoft.
相關(guān)PDF資料 |
PDF描述 |
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| PSD835F2-B-15B81 | Configurable Memory System on a Chip for 8-Bit Microcontrollers |
| PSD835F2-B-15B81I | Configurable Memory System on a Chip for 8-Bit Microcontrollers |
| PSD835F2-B-15J | Configurable Memory System on a Chip for 8-Bit Microcontrollers |
| PSD835F2-B-15JI | Configurable Memory System on a Chip for 8-Bit Microcontrollers |
| PSD835F2-B-15M | Configurable Memory System on a Chip for 8-Bit Microcontrollers |
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| PSD835G2-70U | 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 5.0V 4M 70ns RoHS:否 制造商:Cypress Semiconductor 存儲(chǔ)容量:16 Mbit 組織:1 M x 16 訪問時(shí)間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
| PSD835G2-90U | 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 5.0V 4M 90ns RoHS:否 制造商:Cypress Semiconductor 存儲(chǔ)容量:16 Mbit 組織:1 M x 16 訪問時(shí)間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
| PSD835G2-90UI | 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 5.0V 4M 90ns RoHS:否 制造商:Cypress Semiconductor 存儲(chǔ)容量:16 Mbit 組織:1 M x 16 訪問時(shí)間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
| PSD835G2V-12UI | 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 3.0V 4M 120ns RoHS:否 制造商:Cypress Semiconductor 存儲(chǔ)容量:16 Mbit 組織:1 M x 16 訪問時(shí)間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
| PSD835G2V-90U | 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 3.0V 4M 90ns RoHS:否 制造商:Cypress Semiconductor 存儲(chǔ)容量:16 Mbit 組織:1 M x 16 訪問時(shí)間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
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