str712 STMicroelectronics, str712 Datasheet - Page 24

• Manufacturer Part Number: str712
• Description: 144/64-pin Arm7tdmi Mcu With Up To 256kb Flash, 64kb Ram And Emi
• Manufacturer: STMicroelectronics

System architecture
Table 7.
24/78
10 D3 JTDI
11 E2 JTMS
12 F1 JTCK
13 D4 JTDO
14 F2 JTRST
15 E3 NU
16 G1 TEST
17 H1 V
18 H2 V
19 H3 CK
Pin n°
1
2
3
4
5
6
7
8
9
C1 P0.12/SC.CLK I/O pd
C2
D1
C3 BOOTEN
D2 V
A1
B1
B2 V
E1 V
P0.10/U1.RX/
U1.TX/
SC.DATA
P0.11/BOOT.1
/U1.TX
P0.13/U2.RX/
T2.OCMPA
P0.14/U2.TX/
T2.ICAPA
SS
SS
33
33IO-PLL
SSIO-PLL
Pin name
STR711/STR712/STR715 pin description
I/O pd
I/O pd
I/O pu
I/O pu
O
S
S
S
S
S
I
I
I
I
I
I
C
C
C
C
C
C
T
T
T
Input
C
C
T
T
T
T
T
T
T
T
T
X 4mA
X 4mA
4mA
4mA
4mA
8mA
Output
X
X
X
X
T
X
X
X
X
X
Port 0.10
Port 0.11
Port 0.12 Smartcard reference clock output
Ground voltage for digital I/Os
Port 0.13
Port 0.14
Boot control input. Enables sampling of BOOT[1:0]
pins
Ground voltage for digital I/Os
Supply voltage for digital I/Os
JTAG Data input. External pull-up required.
JTAG Mode Selection Input. External pull-up
required.
JTAG Clock Input. External pull-up or pull-down
required.
JTAG Data output. Note: Reset state = HiZ.
JTAG Reset Input. External pull-up required.
Reserved, must be forced to ground.
Reserved, must be forced to ground.
Supply voltage for digital I/O circuitry and for PLL
reference
Ground voltage for digital I/O circuitry and for PLL
reference
Reference clock input
function
reset)
(after
Main
2)
2)
UART1:
Receive Data
input
Note: This pin may be used for
Smartcard DataIn/DataOut or single
wire UART (half duplex) if programmed
as Alternate Function Output. The pin
will be tri-stated except when UART
transmission is in progress
Select Boot
Configuration
input
UART2:
Receive Data
input
UART2:
Transmit data
output
Alternate function
UART1: Transmit data
output.
UART1: Transmit data
output.
Timer2: Output
Compare A output
Timer2: Input Capture
A input
2)
2)
2)
STR71xF