ST10F269-DPR STMicroelectronics, ST10F269-DPR Datasheet - Page 72
ST10F269-DPR
Manufacturer Part Number
ST10F269-DPR
Description
MCU 16BIT 256K FLASH 144PQFP
Manufacturer
STMicroelectronics
Series
ST10r
Datasheet
1.ST10F269DTR3.pdf
(160 pages)
Specifications of ST10F269-DPR
Core Processor
ST10
Core Size
16-Bit
Speed
40MHz
Connectivity
CAN, EBI/EMI, 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
12K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
144-BFQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Manufacturer
Quantity
Price
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Part Number:
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ST10F269
Pin P3.12 (BHE/WRH) is another pin with an
alternate output function, however, its structure is
slightly different.
After reset the BHE or WRH function must be
used
configuration. In either of these cases, there is no
Figure 29 : Block Diagram of Pins P3.15 (CLKOUT) and P3.12 (BHE/WRH)
Note: Enabling the BHE or WRH function automatically enables the P3.12 output driver. Setting bit
72/160
DP3.12=’1’ is not required.
During bus hold pin P3.12 is switched back to its standard function and is then controlled by
DP3.12 and P3.12. Keep DP3.12 = ’0’ in this case to ensure floating in hold mode.
depending
Read DP3.x
Write DP3.x
Port Output
Write P3.x
Read P3.x
Direction
Latch
Latch
on
the
MUX
system
Alternate
Data
Output
1
0
Alternate
Function
Enable
“1”
start-up
1
0
1
0
MUX
MUX
possibility to program any port latches before.
Thus, the appropriate alternate function is
selected automatically. If BHE/WRH is not used in
the system, this pin can be used for general
purpose I/O by disabling the alternate function
(BYTDIS = ‘1’ / WRCFG=’0’).
Clock
Latch
Input
Output
Buffer
x = 15, 12
P3.12/BHE
P3.15/CLKOUT
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