参数资料
型号: ATAM893T-TKQ
厂商: Atmel
文件页数: 26/98页
文件大小: 0K
描述: IC MON TIRE-PRESS ATARX9X SER
标准包装: 4,000
系列: MARC4
核心处理器: MARC4
芯体尺寸: 4-位
速度: 4MHz
连通性: SSI(2 线,3 线)
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 16
程序存储器容量: 4KB(4K x 8)
程序存储器类型: EEPROM
EEPROM 大小: 64 x 16
RAM 容量: 256 x 4
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 6.5 V
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 20-SOIC(0.209",5.30mm 宽)
包装: 带卷 (TR)
32
4680C–4BMCU–01/05
ATAM893-D
Figure 5-7.
UTCM Block Diagram
5.3.1
Timer 1
The Timer 1 is an interval timer which can be used to generate periodic interrupts and as pres-
caler for Timer 2, Timer 3, the serial interface and the watchdog function.
The Timer 1 consists of a programmable 14-stage divider that is driven by either SUBCL or
SYSCL. The timer output signal can be used as prescaler clock or as SUBCL and as source for
the Timer 1 interrupt. Because of other system requirements the Timer 1 output T1OUT is syn-
chronized with SYSCL. Therefore, in the power-down mode SLEEP (CPU core
→sleep and
OSC-Stop
→yes) the output T1OUT is stopped (T1OUT = 0). Nevertheless, the Timer 1 can be
active in SLEEP and generate Timer 1 interrupts. The interrupt is maskable via the T1IM bit and
the SUBCL can be bypassed via the T1BP bit of the T1C2 register. The time interval for the
timer output can be programmed via the Timer 1 control register T1C1.
Demodu-
lator 3
8-bit Counter 3
Capture 3
Compare 3/1
Compare 3/2
Modu-
lator 3
MUX
Control
Watchdog
Interval/Prescaler
Timer 1
Timer 3
Modu-
lator 2
4-bit Counter 2/1
Compare 2/1
MUX
DCG
8-bit Counter 2/2
Compare 2/2
Control
Timer 2
MUX
8-bit Shift-Register
Receive-Buffer
Transmit-Buffer
Control
SSI
SCL
INT4
INT5
INT2
NRST
INT3
POUT
TOG2
TOG3
T1OUT
SUBCL
SYSCL
from clock module
T3O
T3I
T2I
T2O
SC
SD
I/O bus
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