STM8S903K3U3 STMicroelectronics, STM8S903K3U3 Datasheet - Page 36

• Manufacturer Part Number: STM8S903K3U3
• Description: IC MCU 8BIT 8KB FLASH 32UFQFPN
• Manufacturer: STMicroelectronics
• Series: STM8Sr

Specifications of STM8S903K3U3

• Featured Product: STM32 Cortex-M3 Companion Products
• Core Processor: STM8
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, IrDA, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 28
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 640 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.95 V ~ 5.5 V
• Data Converters: A/D 7x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: *
• Core: STM8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Memory and register map
6.2.3
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Address
Address
0x00 5409
0x00 540A
0x00 540B
0x00 540C
0x00 540D
0x00 540E
0x00 540F
0x00 5410 to
0x00 57FF
(1)
(2)
0x00 7F00
0x00 7F01
0x00 7F02
0x00 7F03
0x00 7F04
0x00 7F05
0x00 7F06
0x00 7F07
0x00 7F08
Depends on the previous reset source.
Write only register.
CPU/SWIM/debug module/interrupt controller registers
Block
Table 8: CPU/SWIM/debug module/interrupt controller registers
Block
Reserved area (1008 bytes)
CPU
(1)
Register label
ADC_HTRL
ADC_LTRH
ADC_LTRL
ADC_AWSRH
ADC_AWSRL
ADC _AWCRH
ADC_AWCRL
Register label
A
PCE
PCH
PCL
XH
XL
YH
YL
SPH
DocID15590 Rev 5
Register name
ADC high threshold register low
ADC low threshold register high
ADC low threshold register low
ADC analog watchdog status register high
ADC analog watchdog status register low
ADC analog watchdog control register high
ADC analog watchdog control register low
Register name
Accumulator
Program counter extended
Program counter high
Program counter low
X index register high
X index register low
Y index register high
Y index register low
Stack pointer high
STM8S903K3 STM8S903F3
Reset status
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x03
Reset
status
0xFF
0x00
0x00
0x00
0x00
0x00
0x00