PSD4235G2-12UIT STMICROELECTRONICS [STMicroelectronics], PSD4235G2-12UIT Datasheet - Page 64
PSD4235G2-12UIT
Manufacturer Part Number
PSD4235G2-12UIT
Description
Flash in-system programmable (ISP) peripherals for 16-bit MCUs (3.3 V supply)
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.PSD4235G2-12UIT.pdf
(124 pages)
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MCU bus interface
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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 33.
1. ALE/AS input is optional for MCUs with a non-multiplexed bus
2. Unused CNTL2 pin can be configured as CPLD input. Other unused pins (PD3-PD0, PF3-PF0) can be
68302, 68306, MMC2001
68330, 68331, 68332,
68340
68LC302, MMC2001
68HC16
68HC912
68HC812
80196
80196SP
80186
80C161, 80C164-80C167
80C51XA
H8/300
M37702M2
configured for other I/O functions.
3
MCU
MCUs and their control signals
Table
33. The MCU interface type is specified using the PSDsoft Express.
CNTL0
WRL
WRL
WRL
WEL
R/W
R/W
R/W
R/W
R/W
R/W
WR
WR
WR
CNTL1
LDS
DS
OE
DS
RD
RD
RD
RD
RD
RD
E
E
E
(Note
CNTL2
LSTRB
LSTRB
PSEN
UDS
SIZ0
SIZ0
BHE
BHE
BHE
BHE
—
(2)
1
)
WEH
WRH
WRH
WRH
PD3
DBE
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(Note
PD0
ALE
ALE
ALE
ALE
ALE
ALE
AS
AS
AS
AS
AS
E
(1)
1
)
ADIO0
A4/D0
A0
A0
A0
A0
A0
A0
A0
A0
A0
A0
—
—
PSD4235G2V
A3-A1
PF3-
PF0
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
—
(2)
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