UPSD3354DV-40U6 Datasheet, PDF (221/272 Pages) STMicroelectronics – fast 8032 MCU with programmable logic

UPSD33xx
PSD module
used, it is referred to as “6-pin JTAG”. PC3 and PC4 cannot be used for other functions
if they are used for 6-pin JTAG. See Section 27.5.1: JTAG ISP and JTAG debug on
page 233 for details.
● PC3 can be used as an output to indicate when a Flash memory program or erase
operation has completed. This is specified in PSDsoft Express as Section 27.4.12:
Ready/Busy (PC3) on page 189.
The remaining four pins (TDI, TDO, TCK, TMS) on Port C are dedicated to the JTAG
function and cannot be used for any other function. See Section 27.5.1: JTAG ISP and JTAG
debug on page 233.
Port C also supports the open drain output drive type options on pins PC2, PC3, PC4, and
PC7 using the csiop Drive Select registers.
Obsolete ^{Product(s) - Obsolete Product(s)}
Doc ID 9685 Rev 7
221/272