参数资料
型号: PSD8134V20JT
厂商: 意法半导体
英文描述: Flash In-System Programmable ISP Peripherals For 8-bit MCUs
中文描述: Flash在系统可编程ISP的外设的8位微控制器
文件页数: 36/110页
文件大小: 1685K
代理商: PSD8134V20JT
PSD813F1
36/110
DECODE PLD (DPLD)
The DPLD, shown in Figure
16
, is used for decod-
ing the address for internal and external compo-
nents. The DPLD can be used to generate the
following decode signals:
8 sector selects for the main Flash memory
(three product terms each)
4 sector selects for the EEPROM (three
product terms each)
I
I
I
1 internal SRAM select signal (two product
terms)
1 internal CSIOP (PSD configuration register)
select signal
1 JTAG select signal (enables JTAG on Port
C)
2 internal peripheral select signals (peripheral
I/O mode).
I
I
I
Figure 16. DPLD Logic Array
Note: 1. The address inputs are A19-A4 in 80C51XA mode.
(INPUTS)
(24)
(8)
(16)
(1)
PDN (APD OUTPUT)
I/O PORTS (PORT A,B,C)
(8)
PGR0 -PGR7
(8)
MCELLAB.FB [7:0] (FEEDBACKS)
MCELLBC.FB [7:0] (FEEDBACKS)
A[15:0]
(1)
(3)
(3)
PD[2:0] (ALE,CLKIN,CSI)
CNTRL[2:0] (READ/WRITE CONTROL SIGNALS)
(1)
(1)
RESET
RD_BSY
RS0
CSIOP
PSEL0
PSEL1
8 FLASH MEMORY
SECTOR SELECTS
SRAM SELECT
I/O DECODER
SELECT
PERIPHERAL I/O
MODE SELECT
EES 0
EES 1
EES 2
EES 3
FS0
FS7
3
3
3
3
3
3
3
3
3
3
3
3
2
JTAGSEL
AI09226
FS1
FS2
FS3
FS6
FS5
FS4
1
1
1
1
EEPROM
SELECTS
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