參數(shù)資料
型號： PSD835F3-A-20B81I
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系統(tǒng)
文件頁數(shù)： 68/110頁
文件大小： 570K
代理商： PSD835F3-A-20B81I
PSD835G2
PSD8XX Family
67
The
PSD835G2
Functional
Blocks
(cont.)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
*
PLD
array
DBE
PLD
array
ALE
PLD
**
array
CNTL2
PLD
**
array
CNTL1
PLD
**
array
CNTL0
*
PLD
array
Addr.
1 = off
1 = off
1 = off
1 = off
1 = off
1 = off
PMMR2
Bit 0 0 = Address A[7:0] inputs to the PLD AND array are connected.
1 = Address A[7:0] inputs to the PLD AND array are disconnected, saving power.
Note:
In 80C51 mode, A[7:1] comes from Port F (PF1-PF3) and AD10 [3:0].
Bit 2 0 = Cntl0 input to the PLD AND array is connected.
1 = Cntl0 input to PLD AND array is disconnected, saving power.
Bit 3 0 = Cntl1 input to the PLD AND array is connected.
1 = Cntl1 input to PLD AND array is disconnected, saving power.
Bit 4 0 = Cntl2 input to the PLD AND array is connected.
1 = Cntl2 input to PLD AND array is disconnected, saving power.
Bit 5 0 = ALE input to the PLD AND array is connected.
1 = ALE input to PLD AND array is disconnected, saving power.
Bit 6 0 = DBE input to the PLD AND array is connected.
1 = DBE input to PLD AND array is disconnected, saving power.
*
*
Unused bits should be set to 0.
**
Refer to Table 14 the signals that are blocked on pins CNTL0-2.
Bit 1 0 = Automatic Power Down (APD) is disabled.
1 = Automatic Power Down (APD) is enabled.
Bit 3 0 = PLD Turbo is on.
1 = PLD Turbo is off, saving power.
Bit 4 0 = CLKIN input to the PLD AND array is connected.
Every CLKIN change will power up the PLD when Turbo bit is off.
1 = CLKIN input to PLD AND array is disconnected, saving power.
Bit 5 0 = CLKIN input to the PLD Micro
Cells is connected.
1 = CLKIN input to PLD Micro
Cells is disconnected, saving power.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
*
*
PLD
Mcell clk
PLD
PLD
Turbo
*
APD
Enable
*
Array clk
1 = off
1 = off
1 = off
1 = on
Table 27. Power Management Mode Registers (PMMR0, PMMR2)**
PMMR0
**
*
Bits 0, 2, 6, and 7 are not used, and should be set to 0.
*
**
The PMMR0, and PMMR2 register bits are cleared to zero following power up.
***
Subsequent reset pulses will not clear the registers.
相關(guān)PDF資料
PDF描述
PSD835F3-A-20J Configurable Memory System on a Chip for 8-Bit Microcontrollers
PSD835F3-A-20JI Configurable Memory System on a Chip for 8-Bit Microcontrollers
PSD835F3-A-20M Configurable Memory System on a Chip for 8-Bit Microcontrollers
PSD835F3-A-20MI Configurable Memory System on a Chip for 8-Bit Microcontrollers
PSD835F3-A-20U Configurable Memory System on a Chip for 8-Bit Microcontrollers
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