ST7LITE49M STMicroelectronics, ST7LITE49M Datasheet - Page 15

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ST7LITE49M

Manufacturer Part Number
ST7LITE49M
Description
8-bit MCU
Manufacturer
STMicroelectronics
Datasheet

Specifications of ST7LITE49M

4 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
128 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
A/d Converter
10 input channels

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ST7LITE49M
Table 2.
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
PA5 (HS)ATPWM3
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.
Device pin description
PA7(HS)/I2CCLK
ATPWM2/MCO
OSC1/CLKIN
Pin name
PA4(HS)/
PA6(HS)/
I2CDATA
Input: float = floating, wpu = weak pull-up, int = interrupt, ana = analog
Output: OD = open-drain, PP = push-pull
RESET
V
V
V
V
OSC2
SSA
DDA
DD
SS
(2)
(2)
(2)
(2)
T
= CMOS 0.3V
I/O
I/O
I/O
I/O
I/O
O
S
S
S
S
I
C
C
C
C
C
Level
T
T
T
T
T
Table
HS
HS
HS
HS
HS
Doc ID 13562 Rev 3
2:
DD
/0.7V
x
x
x
x
x
DD
x
Input
ei0
with input trigger
Port/control
ei0
Output
T
T
x
x
x
x
x
x
x
Resonator oscillator output
inverter input or external
function
Port A3
Port A4
Port A5
Port A6
Port A7
Analog ground voltage
Analog supply voltage
Digital ground voltage
Digital supply voltage
reset)
(after
Main
Resonator oscillator
(HS)
(HS)
(HS)
(HS)
(HS)
clock input
Pin description
Reset
ATPWM2/
Alternate
ATPWM1
ATPWM3
function
I2CDATA
I2CCLK
MCO
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