TS87C51RD2-VIE Atmel, TS87C51RD2-VIE Datasheet - Page 67
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TS87C51RD2-VIE
Manufacturer Part Number
TS87C51RD2-VIE
Description
IC MCU 8BIT 64K OTP 40MHZ 44VQFP
Manufacturer
Atmel
Series
87Cr
Specifications of TS87C51RD2-VIE
Core Processor
8051
Core Size
8-Bit
Speed
40/30MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
32
Program Memory Size
64KB (64K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
10.5.5. External Data Memory Write Cycle
Rev. C - 06 March, 2001
Symbol
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
WLWH
QVWX
QVWH
WHQX
AVWL
WHLH
WHLH
RLRH
RLDV
RHDX
RHDZ
AVDV
LLWL
LLWL
LLDV
RLAZ
PORT 0
PORT 2
PSEN
ALE
WR
Type
Max
Max
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
Min
Min
Min
Table 41. AC Parameters for a Variable Clock: derating formula
OR SFR-P2
ADDRESS
Standard
3 T + x
Figure 26. External Data Memory Write Cycle
Clock
6 T - x
6 T - x
5 T - x
2 T - x
8 T - x
9 T - x
3 T - x
4 T - x
7 T - x
T + x
T - x
T - x
T - x
x
x
X2 Clock
1.5 T + x
0.5 T + x
2.5 T - x
4.5 T - x
1.5 T - x
0.5 T - x
3.5 T - x
0.5 T - x
0.5 T - x
3 T - x
3 T - x
2 T - x
4T -x
T - x
A0-A7
x
x
T
T
LLAX
AVWL
T
LLWL
-M
20
20
25
20
40
60
25
25
25
15
15
10
15
15
0
0
ADDRESS A8-A15 OR SFR P2
T
QVWX
-V
15
15
23
15
35
50
20
20
20
10
10
10
10
0
8
0
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
T
QVWH
T
DATA OUT
WLWH
-L
25
25
30
25
45
65
30
30
30
20
20
15
20
20
0
0
TS80C51RA2/RD2
Units
T
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
WHLH
T
WHQX
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