STM8AF6268TDX STMicroelectronics, STM8AF6268TDX Datasheet - Page 46

• Manufacturer Part Number: STM8AF6268TDX
• Description: 8 BITS MICROCONTR
• Manufacturer: STMicroelectronics
• Series: STM8Ar

Specifications of STM8AF6268TDX

• Core Processor: STM8A
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 38
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 32-LQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Option bytes
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Table 18.
Option byte no.
OPT10
OPT11
OPT3
OPT4
OPT5
OPT6
OPT7
OPT8
OPT9
Option byte description (continued)
HSITRIM: Trimming option for 16 MHz internal RC oscillator
LSI_EN: Low speed internal clock enable
IWDG_HW: Independent watchdog
WWDG_HW: Window watchdog activation
WWDG_HALT: Window watchdog reset on Halt
EXTCLK: External clock selection
CKAWUSEL: Auto-wakeup unit/clock
PRSC[1:0]: AWU clock prescaler
HSECNT[7:0]: HSE crystal oscillator stabilization time
TMU[3:0]: Enable temporary memory unprotection
Reserved
TMU_KEY 1 [7:0]: Temporary unprotection key 0
TMU_KEY 2 [7:0]: Temporary unprotection key 1
TMU_KEY 3 [7:0]: Temporary unprotection key 2
TMU_KEY 4 [7:0]: Temporary unprotection key 3
0: 3-bit on-the-fly trimming (compatible with devices based on the 128K
silicon)
1: 4-bit on-the-fly trimming
0: LSI clock is not available as CPU clock source
1: LSI clock is available as CPU clock source
0: IWDG independent watchdog activated by software
1: IWDG independent watchdog activated by hardware
0: WWDG window watchdog activated by software
1: WWDG window watchdog activated by hardware
0: No reset generated on Halt if WWDG active
1: Reset generated on Halt if WWDG active
0: External crystal connected to OSCIN/OSCOUT
1: External clock signal on OSCIN
0: LSI clock source selected for AWU
1: HSE clock with prescaler selected as clock source for AWU
00: Reserved
01: 16 MHz to 128 kHz prescaler
10: 8 MHz to 128 kHz prescaler
11: 4 MHz to 128 kHz prescaler
This configures the stabilization time to 0.5, 8, 128, and 2048 HSE
cycles with corresponding option byte values of 0xE1, 0xD2, 0xB4, and
0x00.
0101: TMU disabled (permanent ROP).
Any other value: TMU enabled.
Temporary unprotection key: Must be different from 0x00 or 0xFF
Temporary unprotection key: Must be different from 0x00 or 0xFF
Temporary unprotection key: Must be different from 0x00 or 0xFF
Temporary unprotection key: Must be different from 0x00 or 0xFF
Doc ID 14952 Rev 5
Description
STM8AF61xx, STM8AF62xx