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参数资料
型号： SST89E58RD2-40-C-PIE
厂商： SILICON STORAGE TECHNOLOGY INC
元件分类： 微控制器/微处理器
英文描述： 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PDIP40
封装： LEAD FREE, PLASTIC, MS-011AC, DIP-40
文件页数： 39/91页
文件大小： 1017K
代理商： SST89E58RD2-40-C-PIE
44
Preliminary Specifications
FlashFlex51 MCU
SST89E52RD2 / SST89E54RD2 / SST89E58RD2 / SST89E516RD2
SST89V52RD2 / SST89V54RD2 / SST89V58RD2 / SST89V516RD2
2004 Silicon Storage Technology, Inc.
S71255-00-000
3/04
5.0 TIMERS/COUNTERS
5.1 Timers
The device has three 16-bit registers that can be used as
either timers or event counters. The three timers/counters
are denoted Timer 0 (T0), Timer 1 (T1), and Timer 2 (T2).
Each is designated a pair of 8-bit registers in the SFRs.
The pair consists of a most significant (high) byte and least
significant (low) byte. The respective registers are TL0,
TH0, TL1, TH1, TL2, and TH2.
5.2 Timer Set-up
Refer to Table 3-10 for TMOD, TCON, and T2CON regis-
ters regarding timers T0, T1, and T2. The following tables
provide TMOD values to be used to set up Timers T0, T1,
and T2.
Except for the baud rate generator mode, the values given
for T2CON do not include the setting of the TR2 bit. There-
fore, bit TR2 must be set separately to turn the timer on.
TABLE
5-1: TIMER/COUNTER 0
Mode
Function
TMOD
Internal
Control1
1. The Timer is turned ON/OFF by setting/clearing
bit TR0 in the software.
External
Control2
2. The Timer is turned ON/OFF by the 1 to 0 transition
on INT0# (P3.2) when TR0 = 1 (hardware control).
Used as
Timer
0
13-bit Timer
00H
08H
1
16-bit Timer
01H
09H
2
8-bit Auto-Reload
02H
0AH
3
Two 8-bit Timers
03H
0BH
Used as
Counter
0
13-bit Timer
04H
0CH
1
16-bit Timer
05H
0DH
2
8-bit Auto-Reload
06H
0EH
3
Two 8-bit Timers
07H
0FH
T5-1.0 1255
TABLE
5-2: TIMER/COUNTER 1
Mode
Function
TMOD
Internal
Control1
External
Control2
Used as
Timer
0
13-bit Timer
00H
80H
1
16-bit Timer
10H
90H
2
8-bit Auto-Reload
20H
A0H
3
Does not run
30H
B0H
Used as
Counter
0
13-bit Timer
40H
C0H
1
16-bit Timer
50H
D0H
2
8-bit Auto-Reload
60H
E0H
3
Not available
-
T5-2.0 1255
1. The Timer is turned ON/OFF by setting/clearing bit
TR1 in the software.
2. The Timer is turned ON/OFF by the 1 to 0 transition
on INT1# (P3.3) when TR1 = 1 (hardware control).
TABLE
5-3: TIMER/COUNTER 2
Mode
T2CON
Internal
Control1
1. Capture/Reload occurs only on timer/counter overflow.
External
Control2
2. Capture/Reload occurs on timer/counter overflow and a 1
to 0 transition on T2EX (P1.1) pin except when Timer 2 is
used in the baud rate generating mode.
Used as
Timer
16-bit Auto-Reload
00H
08H
16-bit Capture
01H
09H
Baud rate generator
receive and transmit
same baud rate
34H
36H
Receive only
24H
26H
Transmit only
14H
16H
Used as
Counter
16-bit Auto-Reload
02H
0AH
16-bit Capture
03H
0BH
T5-3.0 1255
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相关代理商/技术参数
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SST89E58RD2-40-C-PIE1 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89E58RD2-40-C-PIF2 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89E58RD2-40-C-PJ 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89E58RD2-40-C-PJE1 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89E58RD2-40-C-PJF2 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
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