ST7LITE49M STMicroelectronics, ST7LITE49M Datasheet - Page 71

• Manufacturer Part Number: ST7LITE49M
• Description: 8-bit MCU
• Manufacturer: STMicroelectronics

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

ST7LITE49M
Table 24.
1. Off means implemented not activated, On means implemented and activated.
Table 25.
1. When the I/O port is in input configuration and the associated alternate function is enabled as an output,
2. When the I/O port is in output configuration and the associated alternate function is enabled as an input,
Output
Input
reading the DR register will read the alternate function output status.
the alternate function reads the pin status given by the DR register content.
Configuration mode
Floating with/without Interrupt
I/O port mode options
I/O port configuration
Open-drain (logic level)
PAD
PAD
PAD
Pull-up with Interrupt
Push-pull
Doc ID 13562 Rev 3
Hardware configuration
(1)
INTERRUPT
CONDITION
Pull-up
OTHER
Off
On
Off
FROM
PINS
COMBINATIONAL
ALTERNATE
REGISTER
ENABLE
BIT
DR
LOGIC
P-buffer
DR REGISTER ACCESS
REGISTER
Off
On
Off
REGISTER
DR
DR
POLARITY
SELECTION
From on-chip periphera
DR REGISTER ACCESS
DR REGISTER ACCESS
W
R
ALTERNATE
OUTPUT
R/W
ANALOG INPUT
EXTERNAL INTERRUPT
SOURCE (ei
ALTERNATE INPUT
To on-chip peripheral
R/W
DATA BUS
to V
On
DD
DATA BUS
l
DATA BUS
Diodes
x
)
to V
I/O ports
On
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