psd813f2v STMicroelectronics, psd813f2v Datasheet - Page 59

• Manufacturer Part Number: psd813f2v
• Description: Flash In-system Programmable Isp Peripherals For8-bits Mcus, 3v
• Manufacturer: STMicroelectronics

Port C – Functionality and Structure
Port C can be configured to perform one or more
of the following functions (see Figure 29):
■
■
■
■
■
Figure 29. Port C Structure
MCU I/O Mode
CPLD Output – McellBC7-McellBC0 outputs
can be connected to Port B or Port C.
CPLD Input – via the Input Macrocells (IMC)
Address In – Additional high address inputs
using the Input Macrocells (IMC).
In-System Programming (ISP) – JTAG port
can be enabled for programming/erase of the
WR
MCELLBC [ 7:0 ]
WR
ENABLE PRODUCT TERM ( .OE )
CPLD-INPUT
READ MUX
DATA OUT
DIR REG.
D
D
REG.
P
D
B
Q
Q
Doc ID 10552 Rev 3
DATA IN
SPECIAL FUNCTION
DATA OUT
■
Port C does not support Address Out mode, and
therefore no Control Register is required.
Pin PC7 may be configured as the DBE input in
certain MCU bus interfaces.
1
PSD device. (See the section entitled
PROGRAMMING IN-CIRCUIT USING THE
JTAG SERIAL INTERFACE, page 69
more information on JTAG programming.)
Open Drain – Port C pins can be configured in
Open Drain Mode
SPECIAL FUNCTION
OUTPUT
OUTPUT
SELECT
MUX
ENABLE OUT
MACROCELL
INPUT
PSD813F2V, PSD854F2V
CONFIGURATION
PORT C PIN
BIT
AI02888B
for
59/109