ST72F321AR9TA STMicroelectronics, ST72F321AR9TA Datasheet - Page 70

• Manufacturer Part Number: ST72F321AR9TA
• Description: IC MCU 8BIT 60KB FLASH 64-TQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72F321AR9TA

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 48
• Program Memory Size: 60KB (60K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 3.8 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

ST72321Rx ST72321ARx ST72321Jx
16-BIT TIMER (Cont’d)
Figure 42. Timer Block Diagram
70/193
EXTCLK
pin
TIMER INTERRUPT
f
CPU
ICIE
ICF1
CC[1:0]
OCIE TOIE
OCF1 TOF
1/2
1/4
1/8
EXEDG
(See note)
8 high
OVERFLOW
CIRCUIT
DETECT
FOLV2
ICF2
(Control/Status Register)
ALTERNATE
REGISTER
REGISTER
COUNTER
COUNTER
FOLV1
(Control Register 1) CR1
OCF2
buffer
8-bit
TIMD
OLVL2
8 low
16
OUTPUT COMPARE
16
IEDG1
0
CIRCUIT
REGISTER
COMPARE
CSR
OUTPUT
0
MCU-PERIPHERAL INTERFACE
TIMER INTERNAL BUS
OLVL1
Note: If IC, OC and TO interrupt requests have separate vectors
then the last OR is not present (See device Interrupt Vector Table)
8
1
6
ST7 INTERNAL BUS
16
8
OC1E
16
COMPARE
REGISTER
OUTPUT
OC2E OPM
8
2
8
REGISTER
CAPTURE
EDGE DETECT
EDGE DETECT
PWM
INPUT
CIRCUIT1
CIRCUIT2
8
1
CC1
(Control Register 2) CR2
LATCH1
LATCH2
8
16
CC0
REGISTER
CAPTURE
INPUT
8
IEDG2
2
16
8
EXEDG
OCMP1
OCMP2
ICAP1
ICAP2
pin
pin
pin
pin