参数资料
型号: uPSD3212
厂商: 意法半导体
英文描述: Flash Programmable System Device with 8032 Microcontroller Core(嵌入高速“8032微控制器核”的Flash型可编程系统器件)
中文描述: 闪存可编程系统器件与8032微控制器内核(嵌入高速“8032微控制器核”的闪存型可编程系统器件)
文件页数: 101/155页
文件大小: 1055K
代理商: UPSD3212
101/155
μPSD321X
Decode PLD (DPLD)
The DPLD, shown in Figure 49, is used for decod-
ing the address for PSD MODULE and external
components. The DPLD can be used to generate
the following decode signals:
I
4 Sector Select (FS0-FS3) signals for the
primary Flash memory (three product terms
each)
I
2 Sector Select (CSBOOT0-CSBOOT1) signals
for the secondary Flash memory (three product
terms each)
I
1 internal SRAM Select (RS0) signal (two
product terms)
I
1 internal CSIOP Select signal (selects the PSD
MODULE registers)
I
2 internal Peripheral Select signals (Peripheral
I/O Mode).
Figure 49. DPLD Logic Array
Note: 1. Port A inputs are not available in the 52-pin package
2. Inputs from the MCU module
(INPUTS)
(24)
(8)
(16)
(1)
PDN (APD OUTPUT)
I/O PORTS (PORT A,B,C)1
(8)
PGR0 -PGR7
(8)
MCELLAB.FB [7:0] (FEEDBACKS)
MCELLBC.FB [7:0] (FEEDBACKS)
A[15:0]2
(2)
(4)
PD[2:1]
PSEN, RD, WR, ALE2
(1)
(1)
RESET2
RD_BSY
RS0
CSIOP
PSEL0
PSEL1
4 PRIMARY FLASH
MEMORY SECTOR
SELECTS
SRAM SELECT
I/O DECODER
SELECT
PERIPHERAL I/O
MODE SELECT
CSBOOT 0
CSBOOT 1
FS0
3
3
3
3
3
3
2
AI07436
FS1
FS2
FS3
1
1
1
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