ST10F273Z4 STMicroelectronics, ST10F273Z4 Datasheet - Page 24
ST10F273Z4
Manufacturer Part Number
ST10F273Z4
Description
16-BIT MICROCONTROLLER WITH MAC UNIT, UP TO 832 KBYTES FLASH MEMORY AND UP TO 68 KBYTES RAM
Manufacturer
STMicroelectronics
Datasheet
1.ST10F273Z4.pdf
(188 pages)
Specifications of ST10F273Z4
Single Voltage Supply
5 V ±10%
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Memory organization
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(only word accesses are possible). Two waitstates give an access time of 62.5ns at 64 MHz
CPU clock. No tristate waitstate is used.
I2C: Address range 00’EA00h - 00’EAFFh is reserved for the I2C Module access. The I2C is
enabled by setting XPEN bit 2 of the SYSCON register and bit 9 of the XPERCON register.
Accesses to the I2C Module use demultiplexed addresses and a 16-bit data bus (only word
accesses are possible). Two waitstates give an access time of 62.5ns at 64 MHz CPU clock.
No tristate waitstate is used.
X-Miscellaneous: Address range 00’EB00h - 00’EBFFh is reserved for the access to a set
of XBUS additional features. They are enabled by setting XPEN bit 2 of the SYSCON
register and bit 10 of the XPERCON register. Accesses to this additional features use
demultiplexed addresses and a 16-bit data bus (only word accesses are possible). Two
waitstates give an access time of 62.5ns at 64 MHz CPU clock. No tristate waitstate is used.
The following set of features are provided:
●
●
●
●
●
●
●
●
In order to meet the needs of designs where more memory is required than is provided on
chip, up to 16 Mbytes of external memory can be connected to the microcontroller.
Visibility of XBUS peripherals
In order to keep the ST10F273Z4 compatible with the ST10F168 / ST10F269, the XBUS
peripherals can be selected to be visible on the external address / data bus. Different bits for
X-peripheral enabling in XPERCON register must be set. If these bits are cleared before the
global enabling with XPEN bit in SYSCON register, the corresponding address space, port
pins and interrupts are not occupied by the peripherals, thus the peripheral is not visible and
not available. Refer to
CLKOUT programmable divider
XBUS interrupt management registers
ADC multiplexing on P1L register
Port1L digital disable register for extra ADC channels
CAN2 multiplexing on P4.5/P4.6
CAN1-2 main clock prescaler
Main voltage regulator disable for Power-down mode
TTL / CMOS threshold selection for Port0, Port1 and Port5.
Chapter 23: Register set on page
111.
ST10F273Z4
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