ST7LITE49M STMicroelectronics, ST7LITE49M Datasheet - Page 47

• 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
7.5.5
Table 13.
Address
003Ch
003Dh
003Ah
003Bh
(Hex.)
0051h
CKCNTCSR
Reset value
Reset value
Reset value
Reset value
Reset value
AVDTHCR
Register
MCCSR
Clock controller control/status register (CKCNTCSR)
Reset value: 0000 1001 (09h)
Bits 7:4 = Reserved, must be kept cleared.
Bit 3 = AWU_FLAG AWU selection bit
Bit 2 = RC_FLAG RC selection bit
Bit 1 = Reserved, must be kept cleared.
Bit 0 = RC/AWU RC/AWU selection bit
Clock register mapping and reset values
SICSR
RCCR
label
0
7
This bit is set and cleared by hardware.
0: No switch from AWU to RC requested
1: AWU clock activated and temporization completed
This bit is set and cleared by hardware.
0: No switch from RC to AWU requested
1: RC clock activated and temporization completed
0: RC enabled
1: AWU enabled (default value)
CR9
CK2
7
0
1
0
0
0
-
-
-
0
CR8
CR1
CK1
6
0
1
1
0
0
-
-
0
Doc ID 13562 Rev 3
CR7
CR0
CK0
5
0
1
1
0
0
-
-
0
WDGRF
AWU_FLAG
Read/write
CR6
4
0
1
0
0
0
-
-
-
AWU_
FLAG
Supply, reset and clock management
CR5
3
0
1
0
0
1
-
-
-
RC_FLAG
RC_FLA
LVDRF
CR4
G
2
0
1
x
0
0
-
-
AVDF
AVD1
MCO
CR3
0
1
0
1
x
0
0
-
RC/AWU
RC/AWU
AVDIE
AVD0
SMS
CR2
0
0
1
x
0
1
0
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