ST7LITE49K2 STMicroelectronics, ST7LITE49K2 Datasheet - Page 18

• Manufacturer Part Number: ST7LITE49K2
• Description: 8-bit MCU
• Manufacturer: STMicroelectronics

Specifications of ST7LITE49K2

• 8 Kbytes Single Voltage Extended Flash (xflash) Program Memory With Read-out Protection In-circuit Programming And In-application Programming (icp And Iap) Endurance: 10K write/erase cycles guaranteed Data retention
• 256 Bytes Data Eeprom With Read-out Protection. 300k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55 °C.
• Clock Sources: Internal trimmable 8 MHz RC oscillator, auto-wakeup internal low power - low frequency oscillator, crystal/ceramic resonator or external clock
• Five Power Saving Modes: Halt, Active-halt, Auto-wakeup from Halt, Wait and Slow

Pin description
Table 2.
18/245
10
11
12
13
number
1
2
3
4
5
6
8
9
Pin
10
12
13
14
15
16
17
5
6
7
8
9
PA3(HS)/ATPWM1 I/O
PA5 (HS)ATPWM3 I/O
PA7(HS)/I2CCLK
Legend / Abbreviations for
Type: I = input, O = output, S = supply
In/Output level: C
Output level: HS = 20 mA high sink (on N-buffer only)
Port and control configuration:
●
●
The RESET configuration of each pin is shown in bold which is valid as long as the device is
in reset state.
ST7LITE49K2 device pin description
ATPWM2/MCO
OSC1/CLKIN
Pin name
PA4(HS)/
PA6(HS)/
I2CDATA
RESET
V
V
V
OSC2
V
Input: float = floating, wpu = weak pull-up, int = interrupt, ana = analog
Output: OD = open drain, PP = push-pull
SSA
DDA
DD
SS
(2)
(2)
(2)
(2)
T
I/O
I/O
I/O
O
S
S
S
S
= CMOS 0.3V
I
C
C
C
C
C
Level
T
T
T
T
T
Table
HS
HS
HS
HS
HS
2:
DD
x
x
x
x
x
/0.7V
x
Input
ei0
DD
Port/control
ei0
with input trigger
Output
T
T
x
x
x
x
x
x
x
inverter input or External
function
Port A3
Port A4
Port A5
Port A6
Port A7
Analog Ground Voltage
Digital Ground Voltage
Analog Supply Voltage
Digital Supply Voltage
reset)
(after
Main
Resonator oscillator
Resonator oscillator
(HS)
(HS)
(HS)
(HS)
(HS)
clock input
output
Reset
ATPWM2/MC
Alternate
ATPWM1
ATPWM3
function
I2CDATA
I2CCLK
ST7LITE49K2
O