參數(shù)資料
型號(hào): PSD4256G6
廠商: 意法半導(dǎo)體
英文描述: Current Mode PWM Controller 16-SOIC 0 to 70
中文描述: Flash在系統(tǒng)可編程ISP的周邊的16位微控制器
文件頁數(shù): 40/100頁
文件大?。?/td> 759K
代理商: PSD4256G6
PSD4256G6V
40/100
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
DECODE PLD (DPLD)
The DPLD, shown in Figure 13, is used for decod-
ing the address for internal and external compo-
nents. The DPLD can be used to generate the
following decode signals:
I
8 Sector Select (FS0-FS15) signals for the
primary Flash memory (three product terms
each)
I
4 Sector Select (CSBOOT0-CSBOOT3) signals
for the secondary Flash memory (three product
terms each)
I
1 internal SRAM Select (RS0) signal (three
product terms)
I
1 internal CSIOP Select (PSD Configuration
Register) signal
I
1 JTAG Select signal (enables JTAG-ISP on
Port E)
I
2 internal Peripheral Select signals (Peripheral
I/O mode).
Figure 13. DPLD Logic Array
Note: 1. The address inputs are A19-A4 when in 80C51XA mode
2. Additional address lines can be brought in the PSD via Port A, B, C, D, or F.
(INPUTS)
(32)
(8)
(16)
(1)
PDN (APD OUTPUT)
CNTRL[2:0]
(READ/WRITE CONTROL SIGNALS)
I/O PORTS (PORT A,B,C,F)
(8)
PGR0 -PGR7
(8)
MCELLA.FB [7:0] (FEEDBACKS)
MCELLB.FB [7:0] (FEEDBACKS)
A[15:0]
*
(4)
(3)
PD[3:0](ALE,CLKIN,CSI)
(1)
(1)
RESET
RD_BSY
RS0
CSIOP
PSEL0
PSEL1
16 PRIMARY
FLASH
MEMORY
SECTOR
SELECTS
SRAM SELECT
I/O DECODER
SELECT
PERIPHERAL I/O
MODE SELECT
CSBOOT 0
CSBOOT 1
CSBOOT 2
CSBOOT 3
FS0
FS15
3
3
3
3
3
3
3
3
3
3
3
3
3
JTAGSEL
AI04925B
1
1
1
1
4 SECONDARY
FLASH
MEMORY
SECTOR
SELECTS
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