参数资料
型号: MC68HC05RC18FN
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC44
封装: PLASTIC, LCC-44
文件页数: 90/126页
文件大小: 1180K
代理商: MC68HC05RC18FN
NON-DISCLOSURE
AGREEMENT
REQUIRED
Core Timer
General Release Specification
MC68HC05RC18 Rev. 2.1
64
Core Timer
Freescale Semiconductor
Figure 8-1. Core Timer Block Diagram
COP
CLEAR
INTERNAL BUS
$09 CORE TIMER COUNTER REGISTER (CTCR)
5-BIT COUNTER
CTOF
RTIF
TOFE
RTIE
RT1
INTERRUPT CIRCUIT
$08
RTI SELECT CIRCUIT
STATUS REGISTER
RT0
TIMER CONTROL &
OVERFLOW
CIRCUIT
DETECT
COP WATCHDOG
TIMER (÷8)
TO RESET
LOGIC
8
RTFC
TOFC
E ÷ 210
TCBP
CTCSR
CTCR
INTERNAL PERIPHERAL CLOCK (E)
TO INTERRUPT
LOGIC
RTIOUT
E ÷ 212
POR
E ÷ 22
÷ 4
E ÷ 215 E ÷ 214 E ÷ 213 E ÷ 212
23
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