TS87C54X2-VCB Atmel, TS87C54X2-VCB Datasheet - Page 45

• 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: -

4431E–8051–04/06
5. Typicals are based on a limited number of samples and are not guaranteed. The values listed are at room temper-
6. Under steady state (non-transient) conditions, I
7. For other values, please contact your sales office.
8. Operating I
ature and 5V.
Maximum I
Maximum I
Port 0: 26 mA
Ports 1, 2 and 3: 15 mA
Maximum total I
If I
greater than the listed test conditions.
19-5.), V
V
label). I
possible, which is the worst case.
IH
OL
= V
exceeds the test condition, V
CC
CC
IL
- 0.5V; XTAL2 N.C.; EA = Port 0 = V
would be slightly higher if a crystal oscillator is used. Measurements are made with OTP products when
= V
OL
OL
CC
per port pin: 10 mA
per 8-bit port:
is measured with all output pins disconnected; XTAL1 driven with T
SS
OL
+ 0.5 V,
for all output pins: 71 mA
Figure 19-1. I
Figure 19-2. Operating 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
OL
CC
may exceed the related specification. Pins are not guaranteed to sink current
C L O C K
SIGNAL
C L O C K
SIGNAL
Test Condition, under reset
(NC)
(NC)
CC
V
CC
OL
CC
; RST = V
Test Condition
must be externally limited as follows:
RST
XTAL2
XTAL1
V
RST
XTAL2
XTAL1
V
SS
SS
SS
V
V
EA
EA
CC
CC
. The internal ROM runs the code 80 FE (label: SJMP
I
P0
I
P0
CC
CC
V
V
CC
CC
V
V
CC
CC
All other pins are disconnected.
All other pins are disconnected.
CLCH
AT/TS8xC54/8X2
, T
CHCL
= 5 ns (see Figure
45