參數(shù)資料
型號: PSD312R
英文描述: Field Programmable Microcontroller Peripherals(可編程邏輯,無SRAM,4位頁寄存器,19個可編程I/O,通用PLD有16個輸入)
中文描述: 現(xiàn)場可編程微控制器外圍設(shè)備(可編程邏輯,無SRAM,4個位頁寄存器,19個可編程的I / O,通用PLD的有16個輸入)
文件頁數(shù): 23/127頁
文件大?。?/td> 682K
代理商: PSD312R
Figure 8.
Page Register
(PSD3X2/3X3/
3X4R)
Q
CLR
CK
D
DFF
Q
CLR
CK
D
DFF
Q
CLR
CK
D
DFF
Q
CLR
CK
D
DFF
P3
P2
P1
P0
TO PAD
INPUTS
INTERNAL WR
PAGE SELECT
INTERNAL RD
INTERNAL
RESET
AD3
AD2
AD1
AD0
DATA BUS
PSD3XX Famly
2-23
Memory Paging
(PSD3X2/3X3/
3X4R)
The page register consists of four flip-flops, which can be read from, or written to, through
the I/O address space (CSIOPORT). The page register is connected to the D3–D0 lines.
The Page Register address is CSIOPORT + 18H. The page register outputs are P3–P0,
which are fed into the PAD. This enables the host microcontroller to enlarge its address
space by a factor of 16 (there can be a maximum of 16 pages). See Figure 8.
相關(guān)PDF資料
PDF描述
PSD313L Field Programmable Microcontroller Peripherals(可編程邏輯,16K位SRAM,19個可編程I/O,通用PLD有16個輸入)
PSD314RL Field Programmable Microcontroller Peripherals(可編程邏輯,無SRAM,19個可編程I/O,通用PLD有16個輸入)
PSD301 Field Programmable Microcontroller Peripherals(可編程邏輯,16K位SRAM,19個可編程I/O,通用PLD有12個輸入)
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PSD313 Field Programmable Microcontroller Peripherals(可編程邏輯,16K位SRAM,19個可編程I/O,通用PLD有16個輸入)
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