ST72264G2 STMicroelectronics, ST72264G2 Datasheet - Page 8

• Manufacturer Part Number: ST72264G2
• Description: 8-bit MCU
• Manufacturer: STMicroelectronics

Specifications of ST72264G2

• 4 K Or 8 Kbytes Program Memory: ROM or single voltage extended Flash (XFlash) with read-out protection, write protection, In-Circuit Programming and In-Application Programming (ICP and IAP). 10K write/erase cycles guaranteed, data retention
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
• 4 Power Saving Modes: Halt, Active Halt,Wait and Slow
• Two 16-bit Timers With: 2 input captures, 2 output compares, external clock input on one timer, PWM and Pulse generator modes

ST72260Gx, ST72262Gx, ST72264Gx
PIN DESCRIPTION (Cont’d)
For external pin connection guidelines, refer to
126.
Legend / Abbreviations for
Type:
Input level:
In/Output level: C
Output level:
Port and control configuration:
Refer to
The RESET configuration of each pin is shown in bold. This configuration is valid as long as the device is
in reset state.
Table 1. Device Pin Description
8/172
– Input:
– Output:
10
11
12 10 E1 PB1 /OCMP1_A
13 11 F1 PB0 /ICAP1_A
14 12 F2 PC5/EXTCLK_A/AIN5 I/O
1
2
3
4
5
6
7
8
9
Pin n°
1
2
3
4
5
6
7
8
9
Section 9 "I/O PORTS" on page 38
C4 OSC1
C1 NC
C2 NC
D1 NC
C3 PB3/OCMP2_A
D2 PB2/ICAP2_A
A3 RESET
B3 OSC2
A2 PB7/SS
A1 PB6/SCK
B1 PB5/MISO
B2 PB4/MOSI
I = input, O = output, S = supply
A = Dedicated analog input
HS = 20 mA high sink (on N-buffer only)
float = floating, wpu = weak pull-up, int = interrupt
OD = open drain
Pin Name
T
3)
3)
= CMOS 0.3 V
Table
2)
DD
I/O C
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
I
1:
, PP = push-pull
/0.7 V
Level
T
C
C
C
C
C
C
C
C
C
T
T
T
T
T
T
T
T
T
DD
for more details on the software configuration of the I/O ports.
with input trigger
Section 13 "ELECTRICAL CHARACTERISTICS" on page
X
X
X
X
X
X
X
X
X ei0/ei1 X
Port / Control
Input
X
ei1
ei1
ei1
ei1
ei1
ei1
ei1
ei1
Output
X
X
X
X
X
X
X
X
X
X
Not Connected
X
X
X
X
X
X
X
X
X
1)
, ana = analog
Function
Top priority non maskable interrupt (ac-
tive low)
External clock input or Resonator oscilla-
tor inverter input or resistor input for RC
oscillator
Resonator oscillator inverter output or ca-
pacitor input for RC oscillator
Port B7
Port B6
Port B5
Port B4
Port B3
Port B2
Port B1
Port B0
Port C5
reset)
(after
Main
SPI Slave Select (active low)
SPI Serial Clock
SPI Master In/ Slave Out Data
SPI Master Out / Slave In Data
Timer A Output Compare 2
Timer A Input Capture 2
Timer A Output Compare 1
Caution: Negative current
injection not allowed on
this pin
Timer A Input Capture 1
Caution: Negative current
injection not allowed on
this pin
Timer A Input Clock or ADC
Analog Input 5
Alternate Function
4)
4)
.
.