STR710F STMICROELECTRONICS [STMicroelectronics], STR710F Datasheet - Page 11

• Manufacturer Part Number: STR710F
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Legend / Abbreviations for
Type:
In/Output level: C = CMOS 0.3V
Port and control configuration:
Table 3. STR710 Pin Description
10
11
– Input:
– Output:
Pin n°
1
2
3
4
5
6
7
8
9
A1
B2
C2
C3 P0.12/SC.CLK I/O pd C
D1 V
D2 V
B1
C1 P2.1/CS.1
D3
D4
E1
P0.10/U1.RX/
U1.TX/
SC.DATA
RD
P0.11/
BOOT.1/
U1.TX
P2.0/CS.0
P0.13/U2.RX/
T2.OCMPA
P0.14/U2.TX/
T2.ICAPA
P2.2/CS.2
SS
33
Pin Name
I = input, O = output, S = supply, HiZ= high impedance,
C
T
C/T = Programmable levels: CMOS 0.3V
pu/pd= software enabled internal pull-up or pull down
pu= in reset state, the internal 100kΩ weak pull-up is enabled.
pd = in reset state, the internal 100kΩ weak pull-down is enabled.
OD = open drain (logic level)
PP = push-pull
T = true OD, (P-Buffer and protection diode to V
T
T
= TTL 0.3V
= CMOS 0.8V / 2V with input trigger
I/O pd C
I/O pd C
I/O pu C
I/O
I/O pu C
I/O pu C
I/O
S
S
O
pu
pu
2)
2)
Table
DD
C
C
Input
DD
/0.7V
T
T
T
T
T
T
T
T
3:
/0.7V
X 4mA T
X 4mA X
DD
4mA X
4mA
8mA X
8mA X
4mA X
8mA X
DD
with input trigger
Output
X
X
X
X
X
X
X
function
Port
0.10
External Memory Interface: Active low read signal for
external memory. It maps to the OE_N input of the ex-
ternal components.
Port
0.11
Port
0.12
Ground voltage for digital I/Os
Supply voltage for digital I/Os
Port 2.0
Port 2.1
Port
0.13
Port
0.14
Port 2.2
reset)
(after
Main
DD
/0.7V
UART1: Receive
Data input
Note: This pin may be used for Smartcard
DataIn/DataOut or single wire UART (half du-
plex) if programmed as Alternate Function
Output. The pin will be tri-stated except when
UART transmission is in progress
Select Boot Con-
figuration input
Smartcard reference clock output
External Memory Interface: Select Memory
Bank 0 output
Note: This pin is forced to output mode at re-
set to allow boot from external memory
External Memory Interface: Select Memory
Bank 1 output
UART2: Receive
Data input
UART2: Transmit
data output
External Memory Interface: Select Memory
Bank 3 output
DD
DD
not implemented), 5V tolerant.
or TTL 0.8V / 2V
STR71xF - INTRODUCTION
Alternate function
UART1: Transmit data
output.
UART1: Transmit data
output.
Timer2: Output Compare
A output
Timer2: Input Capture A
input
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