ST72T774J9B1 STMicroelectronics, ST72T774J9B1 Datasheet - Page 33

• Manufacturer Part Number: ST72T774J9B1
• Manufacturer: STMicroelectronics

Specifications of ST72T774J9B1

• Cpu Family: ST7
• Device Core Size: 8b
• Frequency (max): 24MHz
• Interface Type: I2C/USB
• Program Memory Type: EPROM
• Program Memory Size: 60KB
• Total Internal Ram Size: 1KB
• # I/os (max): 31
• Number Of Timers - General Purpose: 1
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4V
• On-chip Adc: 1-chx8-bit
• On-chip Dac: 1-chx8-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 42
• Package Type: SPDIP
• Lead Free Status / Rohs Status: Specific Sites Compliant

I/O PORTS (Cont’d)
4.1.5 Port C
The available port pins of port C may be used as
general purpose I/O.
Table 10. Port C Description
PORT C
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
* Reset State
With pull-up
With pull-up
With pull-up
With pull-up
With pull-up
With pull-up
With pull-up
With pull-up
Input*
I / O
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Push-pull
Output
HSYNCDIV (push-pull)
AV (active video) input (TMU)
10-bit output 3 (PWM)
10-bit output 4 (PWM)
10-bit output 5 (PWM)
10-bit output 6 (PWM)
10-bit output 7 (PWM)
10-bit output 8 (PWM)
The alternate functions are the PWM outputs for
PC2:7, HSYNCDIV (HSYNCO divided by 2) for
PC0 and the TMU input for PC1.
Signal
Alternate Function
ST72774/ST727754/ST72734
HSYNCDIVEN
=1
(MISCR)
-
OE2=1
(PWMOE)
OE3=1
(PWMOE)
OE4=1
(PWMOE)
OE5=1
(PWMOE)
OE6=1
(PWMOE)
OE7=1
(PWMOE)
Condition
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