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PSD934210MIT bảng dữ liệu(PDF) 52 Page - STMicroelectronics

tên linh kiện PSD934210MIT
Giải thích chi tiết về linh kiện  Flash PSD, 3.3V Supply, for 8-bit MCUs 2 Mbit 256 Kbit Dual Flash Memories and 64 Kbit SRAM
PDF  89 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PSD934210MIT bảng dữ liệu(HTML) 52 Page - STMicroelectronics

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Figure 26. Port C Structure
Port C – Functionality and Structure
Port C can be configured to perform one or more
of the following functions (see Figure 26):
s
MCU I/O Mode
s
CPLD Output – McellBC7-McellBC0 outputs
can be connected to Port B or Port C.
s
CPLD Input – via the Input Macrocells (IMC)
s
Address In – Additional high address inputs
using the Input Macrocells (IMC).
s
In-System Programming (ISP) – JTAG port can
be enabled for programming/erase of the PSD
device. (See the section entitled “Programming
In-Circuit using the JTAG Serial Interface”, on
page 61, for more information on JTAG
programming.)
s
Open Drain – Port C pins can be configured in
Open Drain Mode
s
Battery Backup features – PC2 can be
configured for a battery input supply, Voltage
Stand-by (VSTBY).
PC4 can be configured as a Battery-on Indicator
(VBATON), indicating when VCC is less than
VBAT.
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.
DATA OUT
REG.
DQ
DQ
WR
WR
MCELLBC[ 7:0]
ENABLE PRODUCT TERM (.OE)
READ MUX
P
D
B
CPLD - INPUT
DIR REG.
INPUT
MACROCELL
ENABLE OUT
SPECIAL FUNCTION
1
SPECIAL FUNCTION
1
CONFIGURATION
BIT
DATA IN
OUTPUT
SELECT
OUTPUT
MUX
PORT C PIN
DATA OUT
AI02888B



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