ST72F63 STMICROELECTRONICS [STMicroelectronics], ST72F63 Datasheet - Page 7

• Manufacturer Part Number: ST72F63
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Note (*): if the peripheral is present on the device (see
Legend / Abbreviations for
Type:
In/Output level: C
Output level:
Port and control configuration:
Refer to “I/O PORTS” on page 25 for more details on the software configuration of the I/O ports.
The RESET configuration of each pin is shown in bold. This configuration is kept as long as the device is
under reset state.
22 23 PA3/EXTCLK
23 24 PA2/SCL/ICCCLK
24 26 NC
25 27 NC
26 28 PA1/SDA/ICCDATA
27 29 PA0/MCO
28 30 V
29 31 USBDP
30 32 USBDM
31 33 USBVCC
32 34 V
Pin n°
-- 25 NC
– Input:
– Output:
SSA
DDA
Pin Name
I = input, O = output, S = supply
10mA = 10mA high sink (on N-buffer only)
25mA = 25mA very high sink (on N-buffer only)
float = floating, wpu = weak pull-up, int = interrupt, ana = analog
OD = open drain, PP = push-pull, T = True open drain
T
= CMOS 0.3V
I/O
I/O C
I/O C
I/O
I/O
I/O
Figure 2
O
--
--
--
S
S
DD
T
T
Level
C
C
/0.7V
25mA X
25mA X
T
T
and
DD
Table
with input trigger
Port / Control
X
Input
2:
X
Table 1, "Device
Output
T
T
X
X
Port A3
Port A2
Not connected
Not connected
Not connected
Port A1
Port A0
Analog ground
USB bidirectional data (data +)
USB bidirectional data (data -)
USB power supply
Analog supply voltage
(after reset)
Function
Main
Summary")
Timer External Clock
I²C serial clock*, ICC Clock
I²C serial data*, ICC Data
Main Clock Output
Alternate Function
ST7263B
7/132