ST10F269Z2Q6 STMicroelectronics, ST10F269Z2Q6 Datasheet - Page 106

• Manufacturer Part Number: ST10F269Z2Q6
• Description: MCU 16BIT 256K FLASH 144PQFP
• Manufacturer: STMicroelectronics
• Series: ST10r

Specifications of ST10F269Z2Q6

• 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: -40°C ~ 85°C
• Package / Case: 144-QFP
• Controller Family/series: ST10
• No. Of I/o's: 111
• Ram Memory Size: 12KB
• Cpu Speed: 40MHz
• No. Of Timers: 5
• Embedded Interface Type: CAN, SSC, USART
• Rohs Compliant: Yes
• Processor Series: ST10F26x
• Core: ST10
• Data Bus Width: 16 bit
• Data Ram Size: 12 KB
• Interface Type: CAN, SSC, USART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 111
• Number Of Timers: 2 x 16 bit
• Operating Supply Voltage: 0.3 V to 4 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 16 bit x 10 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: 497-4833

16 - REAL TIME CLOCK
Figure 51 : RTC Block Diagram
16.1 - RTC registers
16.1.1 - RTCCON: RTC Control Register
The functions of the RTC are controlled by the
RTCCON control register. If the RTOFF bit is set,
the RTC dividers and counters clock is disabled
and registers can be written, when the ST10 chip
enters power down mode the clock oscillator will
RTCCON (EC00h)
Notes: 1. As RTCCON register is not bit-addressable, the value of these bits must be read by checking their associated CCxIC register.
106/184
RTCOFF
RTCAEN
RTCAIR
RTCSEN
RTCSIR
15
-
The 2 RTC interrupt signals are connected to Port2 in order to trigger an external interrupt that wake up the chip when in power down
14
-
1
1
2
2
2
13
-
12
-
‘0’: clock oscillator and RTC keep on running even if ST10 in power down mode
‘1’: clock oscillator is switch off if ST10 enters power down mode, RTC dividers and
counters are stopped and registers can be written
RTC Alarm Interrupt ENable
‘0’: RTCAI is disabled
‘1’: RTCAI is enabled, it is generated every n seconds
RTC Alarm Interrupt Request flag (when the alarm is triggered)
‘0’: the bit was reseted less than a n seconds ago
‘1’: the interrupt was triggered
RTC Second interrupt ENable
‘0’: RTCSI is disabled
‘1’: RTCSI is enabled, it is generated every second
RTC Second Interrupt Request flag (every second)
‘0’: the bit was reseted less than a second ago
‘1’: the interrupt was triggered
RTC Switch Off Bit
Programmable ALARM Register
11
-
RTCH
RTCAH
32 bit COUNTER
10
-
AlarmIT
=
9
-
RTCAL
RTCL
8
-
RTCAI RTCSI
RTCOFF
RW
RTCCON
7
XBUS
Basic Clock IT
6
-
Programmable PRESCALER Register
be switch off. The RTC has 2 interrupt sources,
one is triggered every basic clock period, the
other one is the alarm.
RTCCON includes an interrupt request flag and
an interrupt enable bit for each of them. This
register is read and written via the XBUS.
Reload
RTCPH
5
RTCDH
-
20 bit DIVIDER
4
-
RTCPL
RTCDL
RTCAEN RTCAIR RTCSEN RTCSIR
RW
3
Clock Oscillator
RW
2
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Reset Value: --00h
RW
1
ST10F269
RW
0