ST7LITE49K2 STMicroelectronics, ST7LITE49K2 Datasheet - Page 146

• 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

On-chip peripherals
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Figure 71. Transfer sequencing
1. S=Start, S
2. EV1: EVF=1, ADSL=1, cleared by reading SR1 register.
3. EV2: EVF=1, BTF=1, cleared by reading SR1 register followed by reading DR register.
4. EV3: EVF=1, BTF=1, cleared by reading SR1 register followed by writing DR register.
5. EV3-1: EVF=1, AF=1, BTF=1; AF is cleared by reading SR1 register. BTF is cleared by releasing the lines
7-bit slave receiver
7-bit slave transmitter
7-bit master receiver
7-bit master transmitter
10-bit slave receiver
10-bit slave transmitter
10-bit master transmitter
10-bit master receiver
S Address A
S Address A
S
S
S
if ITE=1).
(STOP=1, STOP=0) or by writing DR register (DR=FFh). If lines are released by STOP=1, STOP=0, the
S
EV5
EV5
EV5
Header
Header A
r
Address A
Address A
= Repeated Start, P=Stop, A=Acknowledge, NA=Non-acknowledge, EVx=Event (with interrupt
A
EV1 EV3
EV1
Address
S
r
EV9
S
EV6
EV6 EV8
Header A
r
Data1
EV5
Address A
Data1 A
A
Data1
Header A
A
EV1
Data1
EV1 EV3
EV2
A
EV3
Data1
EV6 EV8
EV7
Data2
A
EV6
Data2 A
EV8
Data1 A
Data2
A
A
Data1
Data1
Data2
EV2
EV2
EV3
A
EV3
A
.....
A
.....
EV7
A
....
EV7
.
EV8
...
EV8
DataN A
DataN
Data
....
.
Data
N
.....
N
....
....
DataN
.
DataN A
NA
DataN A
A
Data
A
N
EV2
EV3-
EV3-
ST7LITE49K2
EV2
NA
1
1
A
P
EV7
P
P
EV7
P
EV8
EV8
EV4
EV4
EV4
EV4
P
P
P
P