ST7FOXK1 STMicroelectronics, ST7FOXK1 Datasheet - Page 50

• Manufacturer Part Number: ST7FOXK1
• Description: Low cost flash 8bit micro
• Manufacturer: STMicroelectronics

Specifications of ST7FOXK1

• 4 To 8 Kbytes Single Voltage Extended Flash (xflash) Program Memory With Read-out Protection In-circuit Programming And In-application Programming (icp And Iap) Endurance: 1K write/erase cycles guaranteed Data retention
• 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: up to 10 input channels

Supply, reset and clock management
Table 12.
50/226
003Ch
003Dh
Addre
0035h
003Ah
003Bh
0051h
(Hex.)
ss
CKCNTCSR
Reset Value
Reset Value
Reset Value
Reset Value
Reset Value
RCC_CSR
Register
MCCSR
RCCRH
RCCRL
PSCR
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
label
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
0
1
0
0
0
-
-
-
-
CR8
CR1
CK1
6
0
0
1
1
0
0
-
-
-
CR7
CR0
CK0
5
0
0
1
1
0
0
-
-
-
WDGRF
CR6
4
0
0
1
0
0
0
-
-
-
-
AWU_
FLAG
CR5
3
0
0
1
0
0
1
-
-
-
-
ST7FOXF1, ST7FOXK1, ST7FOXK2
RC_FLA
LVDRF
CR4
G
2
0
0
1
0
0
x
-
-
-
RCCLAT
0 or 1
MCO
CR3
1
0
0
1
0
0
-
-
-
RCCPGM
RC/AWU
0 or 1
SMS
CR2
0
0
0
1
0
1
-
-