參數(shù)資料
型號(hào): PSD4235G2-90UT
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 256K X 16 FLASH, 52 I/O, PIA-GENERAL PURPOSE, PQFP80
封裝: PLASTIC, TQFP-80
文件頁數(shù): 43/100頁
文件大?。?/td> 933K
代理商: PSD4235G2-90UT
47/100
PSD4235G2
MCU BUS INTERFACE
The “no-glue logic” MCU Bus Interface block can
be directly connected to most popular MCUs and
their control signals. Key 16-bit MCUs, with their
bus types and control signals, are shown in Table
34. The MCU interface type is specified using the
PSDsoft Express.
Table 34. MCUs and their Control Signals
Note: 1. Unused CNTL2 pin can be configured as CPLD input. Other unused pins (PD3-PD0, PF3-PF0) can be configured for other I/O func-
tions.
2. ALE/AS input is optional for MCUs with a non-multiplexed bus
MCU
CNTL0
CNTL1
CNTL2
PD3
PD02
ADIO0
PF3-PF0
68302, 68306, MMC2001
R/W
LDS
UDS
(Note 1)
AS
(Note 1)
68330, 68331, 68332, 68340
R/W
DS
SIZ0
(Note 1)
AS
A0
(Note 1)
68LC302, MMC2001
WEL
OE
—WEH
AS
(Note 1)
68HC16
R/W
DS
SIZ0
(Note 1)
AS
A0
(Note 1)
68HC912
R/W
ELSTRB
DBE
EA0
(Note 1)
68HC812 3
R/W
ELSTRB
(Note 1)(Note 1)
A0
(Note 1)
80196
WR
RD
BHE
(Note 1)
ALE
A0
(Note 1)
80196SP
WRL
RD
(Note 1)
WRH
ALE
A0
(Note 1)
80186
WR
RD
BHE
(Note 1)
ALE
A0
(Note 1)
80C161, 80C164-80C167
WR
RD
BHE
(Note 1)
ALE
A0
(Note 1)
80C51XA
WRL
RD
PSEN
WRH
ALE
A4/D0
A3-A1
H8/300
WRL
RD
(Note 1)
WRH
AS
A0
M37702M2
R/W
E
BHE
(Note 1)
ALE
A0
(Note 1)
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