參數(shù)資料
型號: AT89C51CC02CA-TISUM
廠商: Atmel
文件頁數(shù): 119/159頁
文件大?。?/td> 0K
描述: IC 8051 MCU 16K FLASH 28-SOIC
產(chǎn)品培訓模塊: MCU Product Line Introduction
標準包裝: 972
系列: AT89C CAN
核心處理器: 8051
芯體尺寸: 8-位
速度: 40MHz
連通性: CAN,UART/USART
外圍設備: POR,PWM,WDT
輸入/輸出數(shù): 20
程序存儲器容量: 16KB(16K x 8)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 2K x 8
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
包裝: 管件
配用: AT89OCD-01-ND - USB EMULATOR FOR AT8XC51 MCU
62
AT/T89C51CC02
4126L–CAN–01/08
Table 39. TMOD Register
TMOD (S:89h)
Timer/Counter Mode Control Register
Reset Value = 0000 0000b
Notes:
1. Reloaded from TH1 at overflow.
2. Reloaded from TH0 at overflow.
Table 40. TH0 Register
TH0 (S:8Ch)
Timer 0 High Byte Register
Reset Value = 0000 0000b
7654
3210
GATE1
C/T1#
M11
M01
GATE0
C/T0#
M10
M00
Bit
Number
Bit
Mnemonic
Description
7GATE1
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.
6C/T1#
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.
5M11
Timer 1 Mode Select bits
M11 M01 Operating mode
0
Mode 0: 8-bit Timer/Counter (TH1) with 5bit prescaler (TL1).
0
1
Mode 1: 16-bit Timer/Counter.
1
Mode 3: Timer 1 halted. Retains count.
1
0
Mode 2: 8-bit auto-reload Timer/Counter (TL1).(1)
4M01
3GATE0
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.
2C/T0#
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.
1M10
Timer 0 Mode Select bit
M10 M00 Operating mode
0
Mode 0: 8-bit Timer/Counter (TH0) with 5bit prescaler (TL0).
0
1
Mode 1: 16-bit Timer/Counter.
1
0
Mode 2: 8-bit auto-reload Timer/Counter (TL0).
(2)
1
Mode 3: TL0 is an 8-bit Timer/Counter.
TH0 is an 8-bit Timer using Timer 1’s TR0 and TF0 bits.
0
M00
7654
3210
Bit
Number
Bit
Mnemonic
Description
7:0
High Byte of Timer 0
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