ST72F321R6TC STMicroelectronics, ST72F321R6TC Datasheet - Page 87

• Manufacturer Part Number: ST72F321R6TC
• Description: IC MCU 8BIT 32K FLASH 64-TQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72F321R6TC

• 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: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 3.8 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

16-BIT TIMER (Cont’d)
Table 18. 16-Bit Timer Register Map and Reset Values
Related Documentation
AN 973: SCI software communications using 16-
bit timer
AN 974: Real Time Clock with ST7 Timer Output
Compare
AN 976: Driving a buzzer through the ST7 Timer
PWM function
Timer A: 3C
Timer B: 4C
Timer A: 3D
Timer B: 4D
Timer A: 3E
Timer B: 4E
Timer A: 3F
Timer B: 4F
Timer A: 3A
Timer B: 4A
Timer A: 3B
Timer B: 4B
Timer A: 32
Timer B: 42
Timer A: 31
Timer B: 41
Timer A: 33
Timer B: 43
Timer A: 34
Timer B: 44
Timer A: 35
Timer B: 45
Timer A: 36
Timer B: 46
Timer A: 37
Timer B: 47
Timer A: 38
Timer B: 48
Timer A: 39
Timer B: 49
Address
(Hex.)
CR1
Reset Value
CR2
Reset Value
CSR
Reset Value
IC1HR
Reset Value
IC1LR
Reset Value
OC1HR
Reset Value
OC1LR
Reset Value
OC2HR
Reset Value
OC2LR
Reset Value
CHR
Reset Value
CLR
Reset Value
ACHR
Reset Value
ACLR
Reset Value
IC2HR
Reset Value
IC2LR
Reset Value
Register
Label
OC1E
ICF1
MSB
MSB
MSB
MSB
MSB
MSB
MSB
MSB
MSB
MSB
MSB
MSB
ICIE
7
0
0
x
x
x
1
0
1
0
1
1
1
1
x
x
OC2E
OCF1
OCIE
6
0
0
0
0
0
0
1
1
1
1
x
x
x
x
x
TOIE
OPM
TOF
5
0
0
0
0
0
0
1
1
1
1
x
x
x
x
x
AN1041: Using ST7 PWM signal to generate ana-
log input (sinusoid)
AN1046: UART emulation software
AN1078: PWM duty cycle switch implementing
true 0 or 100 per cent duty cycle
AN1504: Starting a PWM signal directly at high
level using the ST7 16-Bit timer
FOLV2
PWM
ICF2
4
0
0
0
0
0
0
1
1
x
x
x
x
x
1
1
ST72321Rx ST72321ARx ST72321Jx
FOLV1
OCF2
CC1
3
0
0
0
0
0
0
1
1
x
x
x
x
x
1
1
OLVL2
TIMD
CC0
2
0
0
0
x
x
0
0
0
0
1
1
x
x
1
1
IEDG1
IEDG2
1
0
0
x
x
x
0
0
0
0
1
0
0
x
x
-
1
EXEDG
OLVL1
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
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0
0
0
0
0
0
0
1
0
1
0
x
x
x
x
x
-