ST10F272M-4T3 STMicroelectronics, ST10F272M-4T3 Datasheet - Page 18

• Manufacturer Part Number: ST10F272M-4T3
• Description: MCU 16BIT 256K FLASH 144-LQFP
• Manufacturer: STMicroelectronics
• Series: ST10r

Specifications of ST10F272M-4T3

• Core Processor: ST10
• Core Size: 16-Bit
• Speed: 40MHz
• Connectivity: ASC, CAN, EBI/EMI, I²C, SSC, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 111
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 20K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 24x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 144-MQFP, 144-PQFP
• Processor Series: ST10F27x
• Core: ST10
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Pin data
Table 1.
18/176
P0L.0 - P0L.7,
P0H.1 - P0H.7
P1L.0 - P1L.7,
P1H.0 - P1H.7
EA / V
Symbol
P0H.0,
XTAL1
XTAL2
STBY
Pin description (continued)
100-107,
111-117
118-125
128-135
108,
132
133
134
135
138
137
Pin
99
Type
I/O
I/O
O
I
I
I
I
I
I
External access enable pin.
A low level applied to this pin during and after reset forces the ST10F272M to
start the program from the external memory space. A high level forces
ST10F272M to start in the internal memory space. This pin is also used (when
Stand-by mode is entered, that is ST10F272M under reset and main V
off) to bias the 32 kHz oscillator amplifier circuit and to provide a reference
voltage for the low-power embedded voltage regulator which generates the
internal 1.8V supply for the RTC module (when not disabled) and to retain data
inside the Stand-by portion of the XRAM (16 Kbyte). It can range from 4.5 to 5.5
V. In running mode, this pin can be tied low during reset without affecting 32 kHz
oscillator, RTC and XRAM activities, since the presence of a stable V
guarantees the proper biasing of all those modules.
Two 8-bit bidirectional I/O ports P0L and P0H, bitwise programmable for input or
output via direction bit. Programming an I/O pin as input forces the
corresponding output driver to high impedance state. The input threshold of
Port 0 is selectable (TTL or CMOS). In case of an external bus configuration,
PORT0 serves as the address (A) and as the address/data (AD) bus in
multiplexed bus modes and as the data (D) bus in demultiplexed bus modes.
Demultiplexed bus modes
Multiplexed bus modes
Two 8-bit bidirectional I/O ports P1L and P1H, bitwise programmable for input or
output via direction bit. Programming an I/O pin as input forces the
corresponding output driver to high impedance state. port1 is used as the 16-bit
address bus (A) in demultiplexed bus modes: If at least BUSCONx is configured
such that the demultiplexed mode is selected, the pins of port1 are not available
for general purpose I/O function. The input threshold of port 1 is selectable (TTL
or CMOS). The pins of P1L also serve as the additional (up to eight) analog input
channels for the A/D converter, where P1L.x equals ANy (Analog input channel
y, where y = x + 16). This additional function has a higher priority on
demultiplexed bus function. The following port1 pins have alternate functions:
P1H.4
P1H.5
P1H.6
P1H.7
XTAL1 Main oscillator amplifier circuit and/or external clock input
XTAL2 Main oscillator amplifier circuit output
Data path width
P0L.0 – P0L.7:
P0H.0 – P0H.7:
Data path width
P0L.0 – P0L.7:
P0H.0 – P0H.7:
CC24IO
CC25IO
CC26IO
CC27IO
8-bit
D0 – D7
I/O
8-bit
AD0 – AD7
A
8 – A15
CAPCOM2: CC24 capture input
CAPCOM2: CC25 capture input
CAPCOM2: CC26 capture input
CAPCOM2: CC27 capture input
Function
16-bit
D0 - D7
D8 - D15
16-bit
AD0 - AD7
A
D8 - AD15
ST10F272M
DD
DD
turned