TS87C54X2-VCB Atmel, TS87C54X2-VCB Datasheet - Page 53

• Manufacturer Part Number: TS87C54X2-VCB
• Description: IC MCU 8BIT 16K OTP 40MHZ 44PLCC
• Manufacturer: Atmel
• Series: 87Cr

Specifications of TS87C54X2-VCB

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40/30MHz
• Connectivity: UART/USART
• Peripherals: POR, WDT
• Number Of I /o: 32
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: OTP
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

19.5.8
4431E–8051–04/06
Shift Register Timing Waveforms
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
CLEAR RI
Table 19-13. AC Parameters for a Variable Clock: derating formula
Figure 19-9. Shift Register Timing Waveforms
T
QVXH
Symbol
0
T
T
T
T
T
QVHX
XHQX
XHDX
XHDV
XLXL
T
XHDV
1
0
V A L I D
T
XLXL
Type
Max
Min
Min
Min
Min
T
XHQX
2
1
V A L I D
Standard
10 T - x
10 T - x
2 T - x
Clock
12 T
T
3
XHDX
x
2
V A L I D
X2 Clock
4
5 T - x
5 T- x
3
T - x
6 T
V A L I D
x
5
4
V A L I D
133
-M
50
20
0
6
5
V A L I D
AT/TS8xC54/8X2
133
50
20
-V
0
7
6
V A L I D
133
SET TI
SET RI
50
20
-L
0
8
7
V A L I D
Units
ns
ns
ns
ns
ns
53