AT89C51CC02UA-RATUM Atmel, AT89C51CC02UA-RATUM Datasheet - Page 62
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AT89C51CC02UA-RATUM
Manufacturer Part Number
AT89C51CC02UA-RATUM
Description
IC 8051 MCU 16K FLASH 32-VQFP
Manufacturer
Atmel
Series
AT89C CANr
Datasheet
1.T89C51CC02CA-TDSIM.pdf
(159 pages)
Specifications of AT89C51CC02UA-RATUM
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
20
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
32-TQFP, 32-VQFP
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
UART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
20
Number Of Timers
1
Operating Supply Voltage
3 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
CANADAPT28
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
For Use With
AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C51CC02UA-RATUM
Manufacturer:
Atmel
Quantity:
1 845
62
AT/T89C51CC02
Table 39. TMOD Register
TMOD (S:89h)
Timer/Counter Mode Control Register
Reset Value = 0000 0000b
Notes:
Table 40. TH0 Register
TH0 (S:8Ch)
Timer 0 High Byte Register
Reset Value = 0000 0000b
Number
Number
GATE1
Bit
Bit
7:0
7
7
7
6
5
4
3
2
1
0
1. Reloaded from TH1 at overflow.
2. Reloaded from TH0 at overflow.
Mnemonic Description
Mnemonic Description
C/T1#
GATE1
GATE0
C/T1#
C/T0#
M01
M10
M00
M11
Bit
Bit
6
6
Timer 1 Gating Control bit
Clear to enable Timer 1 whenever TR1 bit is set.
Set to enable Timer 1 only while INT1# pin is high and TR1 bit is set.
Timer 1 Counter/Timer Select bit
Clear for Timer operation: Timer 1 counts the divided-down system clock.
Set for Counter operation: Timer 1 counts negative transitions on external pin T1.
Timer 1 Mode Select bits
M11 M01 Operating mode
Timer 0 Gating Control bit
Clear to enable Timer 0 whenever TR0 bit is set.
Set to enable Timer/Counter 0 only while INT0# pin is high and TR0 bit is set.
Timer 0 Counter/Timer Select bit
Clear for Timer operation: Timer 0 counts the divided-down system clock.
Set for Counter operation: Timer 0 counts negative transitions on external pin T0.
Timer 0 Mode Select bit
M10 M00 Operating mode
TH0 is an 8-bit Timer using Timer 1’s TR0 and TF0 bits.
High Byte of Timer 0
0
0
1
1
0
0
1
1
M11
5
5
0
1
1
0
0
1
0
1
Mode 0: 8-bit Timer/Counter (TH1) with 5bit prescaler (TL1).
Mode 1: 16-bit Timer/Counter.
Mode 3: Timer 1 halted. Retains count.
Mode 2: 8-bit auto-reload Timer/Counter (TL1).
Mode 0: 8-bit Timer/Counter (TH0) with 5bit prescaler (TL0).
Mode 1: 16-bit Timer/Counter.
Mode 2: 8-bit auto-reload Timer/Counter (TL0).
Mode 3: TL0 is an 8-bit Timer/Counter.
M01
4
4
GATE0
3
3
C/T0#
2
2
(1)
(2)
M10
1
1
4126L–CAN–01/08
M00
0
0