參數(shù)資料
型號(hào): ATAM893T-TKSYD
廠商: Atmel
文件頁(yè)數(shù): 26/98頁(yè)
文件大?。?/td> 0K
描述: IC MCU FLASH 4K MTP 20SSOP
標(biāo)準(zhǔn)包裝: 830
系列: MARC4
核心處理器: MARC4
芯體尺寸: 4-位
速度: 4MHz
連通性: SSI(2 線,3 線)
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 16
程序存儲(chǔ)器容量: 4KB(4K x 8)
程序存儲(chǔ)器類型: EEPROM
EEPROM 大?。?/td> 64 x 16
RAM 容量: 256 x 4
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 6.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 125°C
封裝/外殼: 20-SOIC(0.209",5.30mm 寬)
包裝: 管件
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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