UPSD33XX Datasheet, PDF (146/231 Pages) STMicroelectronics – Fast 8032 MCU with Programmable Logic

uPSD33xx
Register
Name
Port A
(80-pin)
Port B Port C Port D
Other
Description
Link
Input
Macrocells
0Ah
0Bh 18h
Read to obtain logic state of IMCs. No
WRITEs.
Table
90., page
167
Enable Out
OCh
0Dh 1Ah 1Bh
Read state of output enable logic on
each I/O port driver. 1 = driver output is
enabled, 0 = driver is off, and it is in high
impedance state. No WRITEs.
Table
113., page
180
Output
Macrocells AB
(MCELLAB)
Read logic state of MCELLAB outputs
20h (bank of eight OMCs).
Write to load MCELLAB flip-flops.
Table
86., page
165
Output
Macrocells BC
(MCELLBC)
Read logic state of MCELLBC outputs
21h (bank of eight OMCs).
Write to load MCELLBC flip-flops.
Table
87., page
165
Mask
Macrocells AB
Write to set mask for MCELLAB. Logic
22h
'1' blocks READs/WRITEs of OMC.
Logic '0' will pass OMC value. Read to
check status.
Table
88., page
166
Mask
Macrocells BC
Write to set mask for MCELLBC. Logic
23h
'1' blocks READs/WRITEs of OMC.
Logic '0' will pass OMC value. Read to
check status.
Table
89., page
166
Main Flash
Sector
Protection
C0h
Read to determine Main Flash Sector
Protection Setting (non-volatile) that was
specified in PSDsoft Express. No
WRITEs.
Table
82., page
155
Security Bit
and Secondary
Flash Sector
Protection
Read to determine if PSD Module
C2h
device Security Bit is active (non-
volatile) Logic 1 = device secured. Also
read to determine Secondary Flash
Protection Setting (non-volatile) that was
Table
83., page
155
specified in PSDsoft. No WRITEs.
PMMR0
B0h
Power Management Register 0. WRITE
and READ.
Table
117., page
188
PMMR2
B4h
Power Management Register 2. WRITE
and READ.
Table
118., page
188
PMMR3
Power Management Register 3. WRITE Table
C7h and READ. However, Bit 1 can be
119., page
cleared only by a reset condition.
188
Page
E0h
Memory Page Register. WRITE and
READ.
Figure
52., page
135
VM (Virtual
Memory)
Places PSD Module memories into 8032
Program Address Space and/or 8032
E2h
XDATA Address Space. (VM overrides
initial non-volatile setting that was
specified in PSDsoft Express. Reset
Table
78., page
143
restores initial setting)
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