str712 STMicroelectronics, str712 Datasheet - Page 18

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

System architecture
Table 4.
18/78
107 D10
108 C11
109 B11 N.C.
110 B10 N.C.
111 C10 P1.15/HTXD
112
113
114
115
116 A11 A.7
117 A10 A.8
118
119
120
121 A12 A.12
122
123
124
Pin n°
C9 A.5
D9 A.6
C8 A.11
D8 A.13
A9 V
B9 V
A8 A.9
B8 A.10
E8
B7
P1.13/HCLK/
I0.SCL
P1.14/HRXD/
I0.SDA
P0.0/S0.MISO
/U3.TX
P0.1/S0.MOSI
/U3.RX
SS
33
STR710 pin description
Pin name
I/O pd C
I/O pu C
I/O pu C
I/O pu C
I/O pu C
O
O
O
O
O
O
O
O
O
S
S
7)
7)
7)
7)
7)
7)
7)
7)
7)
Input
T
T
T
T
T
X 4mA X
X 4mA X
X 4mA X
4mA X
8mA
8mA
8mA
8mA
8mA
8mA
8mA
8mA
8mA
4mA X
Output
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Port 1.13
Port 1.14
Not connected (not bonded)
Not connected (not bonded)
Port 1.15 HDLC: Transmit data output
Ground voltage for digital I/O circuitry
Supply voltage for digital I/O circuitry
External Memory Interface: address bus
function
Port 0.0
Port 0.1
reset)
(after
Main
HDLC:
reference
clock input
HDLC:
Receive data
input
SPI0 Master
in/Slave out
data
Note: Programming AF function
selects UART by default. BSPI must
be enabled by SPI_EN bit in the
BOOTCR register.
BSPI0: Master
out/Slave in
data
Note: Programming AF function
selects UART by default. BSPI must
be enabled by SPI_EN bit in the
BOOTCR register.
Alternate function
I2C clock
I2C serial data
UART3 Transmit data
output
UART3: Receive
Data input
4)
4)
STR71xF