參數(shù)資料
型號(hào): SAF-C513A-HN
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 8-BIT, EEPROM, 8 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 75/128頁
文件大小: 1837K
代理商: SAF-C513A-HN
On-Chip Peripheral Units
Semiconductor Group
6-17
Special Function Register TMOD (Address 89H)
Reset Value : 00H
Bit
Function
Gate
Gating control.
When set, timer/counter "x" is enabled only while "INTx" pin is high and "TRx"
control bit is set.
When cleared timer "x" is enabled whenever "TRx" control bit is set.
C/T
Counter or timer select bit.
Set for counter operation (input from "Tx" input pin).
Cleared for timer operation (input from internal system clock).
M1
M0
0
Timer modes select bits
8-bit timer/counter.
"THx" operates as 8-bit timer/counter
"TLx" serves as 5-bit prescaler.
0
1
16-bit timer/counter.
"THx" and "TLx" are cascaded; there is no prescaler.
1
0
8-bit auto-reload timer/counter.
"THx" holds a value which is to be reloaded into "TLx" each time it overflows.
1
Timer 0:
TL0 is an 8-bit timer/counter controlled by the standard timer 0 control bits. TH0 is
an 8-bit timer only controlled by timer 1 control bits.
1
Timer 1:
Timer/counter 1 stops
Gate
C/T
M1
M0
89H
TMOD
Bit No.
7
65
43
21
0
MSB
LSB
Gate
C/T
M1
M0
Timer 1 Control
Timer 0 Control
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