ST72T774J9B1 STMicroelectronics, ST72T774J9B1 Datasheet - Page 115

• 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

DDC INTERFACE (Cont’d)
Table 26. DDC Register Map and Reset Values
Address
(Hex.)
0C
0D
50
51
52
54
56
Reset Value
Reset Value
Reset Value
Reset Value
Reset Value
Reset Value
Reset Value
Register
Name
OAR
SR1
SR2
DCR
AHR
CR
DR
ADD7
AHR7
EVF
D7
7
0
0
0
0
0
0
0
ADD6
AHR6
CF2
D6
6
0
0
0
0
0
0
0
ADD5
AHR5
TRA
EDF
PE
D5
5
0
0
0
0
0
0
0
EDDCEN
BUSY
AHR4
ADD4
EDE
AF
D4
4
0
0
0
0
0
0
0
STOPF
ADD3
AHR3
BTF
CF1
D3
3
0
0
0
0
0
0
0
ST72774/ST727754/ST72734
ADSL
ADD2
AHR2
ACK
CF0
D2
2
0
0
0
0
0
0
0
BERR
STOP
ADD1
AHR1
WP
D1
1
0
0
0
0
0
0
0
EDDCF
HWPE
ADD0
AHR0
115/144
ITE
D0
0
0
0
0
0
0
0
0