TS87C54X2-VCB Atmel, TS87C54X2-VCB Datasheet - Page 46

• 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: -

46
AT/TS8xC54/8X2
Figure 19-3. I
Figure 19-4. I
Figure 19-5. Clock Signal Waveform for I
R e s e t = V s s a f t e r a h i g h p u l s e
d u r i n g a t l e a s t 2 4 c l o c k c y c l e s
R e s e t = V s s a f t e r a h i g h p u l s e
d u r i n g a t l e a s t 2 4 c l o c k c y c l e s
V
CC
CC
CC
T
-0.5V
0.45V
C L O C K
SIGNAL
CHCL
Test Condition, Idle Mode
Test Condition, Power-Down Mode
(NC)
T
CLCH
(NC)
= T
RST
XTAL2
XTAL1
V
CHCL
SS
V
RST
XTAL2
XTAL1
= 5ns.
SS
V
T
EA
CC
CLCH
I
P0
CC
V
EA
V
CC
P0
I
CC
0.7V
CC
0.2V
V
CC
V
CC
CC
CC
CC
V
CC
Tests in Active and Idle Modes
-0.1
All other pins are disconnected.
All other pins are disconnected.
4431E–8051–04/06