ST7MC2M9 STMicroelectronics, ST7MC2M9 Datasheet - Page 55

• Manufacturer Part Number: ST7MC2M9
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,BRUSHLESS MOTOR CONTROL, 5 TIMERS, SPI, LINSCI(TM)
• Manufacturer: STMicroelectronics

Specifications of ST7MC2M9

• Hdflash Endurance: 100 cycles, data retention
• Clock Sources: crystal/ceramic resonator oscillators and by-pass for external clock, clock security system.
• Four Power Saving Modes: Halt, Active-Halt, Wait and Slow
• Main Clock Controller With: Real time base, Beep and Clock-out capabilities
• Two 16-bit Timers With: 2 input captures, 2 output compares, external clock input, PWM and pulse generator modes
• 8-bit Pwm Auto-reload Timer With: 2 input captures, 4 PWM outputs, output compare and time base interrupt, external clock with event detector

I/O PORTS (Cont’d)
Figure 32. I/O Port General Block Diagram
Table 10. I/O Port Mode Options
Legend: NI - not implemented
Input
Output
REGISTER
ACCESS
INTERRUPT
SOURCE (ei
EXTERNAL
DDR SEL
OR SEL
Off - implemented not activated
On - implemented and activated
DR SEL
Floating with/without Interrupt
Pull-up with/without Interrupt
Push-pull
Open Drain (logic level)
True Open Drain
Configuration Mode
DDR
x
DR
OR
)
ALTERNATE
OUTPUT
ALTERNATE
ENABLE
If implemented
1
0
1
0
Pull-Up
Off
On
Off
NI
Note: The diode to V
true open drain pads. A local protection between
the pad and V
vice against positive stress.
N-BUFFER
PULL-UP
CONDITION
P-Buffer
Off
On
Off
NI
SS
SCHMITT
TRIGGER
CMOS
is implemented to protect the de-
V
DD
DD
NI (see note)
ST7MC1xx/ST7MC2xx
to V
is not implemented in the
On
DD
P-BUFFER
(see table below)
V
Diodes
DD
DIODES
(see table below)
PULL-UP
(see table below)
ALTERNATE
ANALOG
INPUT
to V
INPUT
PAD
On
SS
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