AT89C5132-ROTIL Atmel, AT89C5132-ROTIL Datasheet - Page 55

• Manufacturer Part Number: AT89C5132-ROTIL
• Description: IC 8051 MCU FLASH 64K USB 80TQFP
• Manufacturer: Atmel
• Series: AT89C513xr

Specifications of AT89C5132-ROTIL

• Core Processor: C52X2
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: IDE/ATAPI, I²C, MMC, PCM, SPI, UART/USART, USB
• Peripherals: I²S, POR, WDT
• Number Of I /o: 44
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.3 V
• Data Converters: A/D 2x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

4173E–USB–09/07
Reset Value = 0000 0000b
Notes:
Table 42. TH0 Register
TH0 (S:8Ch) – Timer 0 High Byte Register
Reset Value = 0000 0000b
Number
Bit Number
Bit
7
6
5
4
3
2
1
0
7:0
7
-
1. Reloaded from TH1 at overflow.
2. Reloaded from TH0 at overflow.
Mnemonic
GATE1
GATE0
C/T1#
C/T0#
M01
M10
M00
M11
Mnemonic
Bit
Bit
6
-
Description
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
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
TH0 is an 8-bit Timer using Timer 1’s TR0 and TF0 Bits.
0
0
1
1
0
0
1
1
Description
High Byte of Timer 0
0
1
0
1
0
1
0
1
5
-
Operating mode
Mode 0: 8-bit Timer/Counter (TH1) with 5-bit prescaler (TL1).
Mode 1: 16-bit Timer/Counter.
Mode 2: 8-bit auto-reload Timer/Counter (TL1).
Mode 3: Timer 1 halted. Retains count.
Operating mode
Mode 0: 8-bit Timer/Counter (TH0) with 5-bit 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.
4
-
3
-
2
-
(1)
(2)
AT89C5132
1
-
0
-
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