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uPSD3212A, uPSD3212C, uPSD3212CV
Figure 60. Peripheral I/O ModeTable 89. Port Operating ModesNote: 1. JTAG pins (TMS, TCK, TDI, TDO) are dedicated pins.
2. Port A is not available i n t he 52-pin package.
3. On pins PC2, PC3, PC4 and PC7 only.
Table 90. Port Operating Mode SettingsNote: N/A = Not Applicable
Note: 1. The direction of the Port A,B,C, and D pins are con trolled by the Direction Register ORed wi th the individual output enable produ ct
term (.oe) from the CPLD AND Array.
Table 91. I/O Port Latched Address Output AssignmentsPort Mode Port A(2) Port B Port C Port D
MCU I/O Yes Yes Yes Yes
PLD I/O
McellAB Outputs
McellBC Outputs
Additional Ext. CS Outputs
PLD Inputs
Yes
No
No
Yes
Yes
Yes
No
Yes
No
Yes (3)
No
Yes
No
No
Yes
Yes
Address Out Yes (A7 – 0) Yes (A7 – 0) No No
Peripheral I/O Yes No No No
JTAG ISP No No Yes(1) No
Mode Defined in PSDsoft Control Register
Setting Direction Register
Setting VM Register Setting
MCU I/O Declare pins only 0 1 = output,
0 = input (Note 1) N/A
PLD I/O Logic equations N/A (Note 1) N/A
Address Out
(Port A,B) Declare pins only 1 1 (Note 1) N/A
Peripheral I/O
(Port A) Logic equations
(PSEL0 & 1) N/A N/A PIO Bit = 1
Port A (PA3-PA0) Port A (PA7-PA4) Port B (PB3-PB0) Port B (PB7-PB4)
Address a3-a0 Address a7-a4 Address a3-a0 Address a7-a4
RD
PSEL0
PSEL1
PSEL
VM REGISTER BIT 7
WR
PA0-PA7
D0-D7
DATA BUS
AI02886