參數(shù)資料
型號(hào): MCM16Y1BGCFT16
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, MICROCONTROLLER, PQFP160
封裝: QFP-160
文件頁(yè)數(shù): 119/138頁(yè)
文件大?。?/td> 784K
代理商: MCM16Y1BGCFT16
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MC68HC16Y1
MOTOROLA
MC68HC16Y1TS/D
81
Y = M111, where M is the state of the modmap bit in the module configuration register of the single-chip inte-
gration module. In an MC68HC16Y1 system, M must always be set to one.
5.1 Compare/Capture Unit
The compare/capture unit features three input capture channels, four output compare channels, and
one input capture/output compare channel (function selected via control register). These channels
share a 16-bit free-running counter (TCNT) which derives its clock from seven stages of a 9-stage pres-
caler or from external clock input PCLK. This section, which is similar to the timer found on the
MC68HC11F1, also contains one pulse accumulator channel. The pulse accumulator logic includes its
own 8-bit counter and can operate in either event counting mode or gated time accumulation mode.
Block diagrams of the GPT timer and prescaler follow.
Table 27 GPT Address Map
Address
15
8
7
0
$YFF900
GPT MODULE CONFIGURATION (GPTMCR)
$YFF902
(RESERVED FOR TEST)
$YFF904
INTERRUPT CONFIGURATION (ICR)
$YFFE06
PGP DATA DIRECTION (DDRGP)
PGP DATA (PORTGP)
$YFF908
OC1 ACTION MASK (OC1M)
OC1 ACTION DATA (OC1D)
$YFF90A
TIMER COUNTER (TCNT)
$YFF90C
PA CONTROL (PACTL)
PA COUNTER (PACNT)
$YFF90E
INPUT CAPTURE 1 (TIC1)
$YFF910
INPUT CAPTURE 2 (TIC2)
$YFF912
INPUT CAPTURE 3 (TIC3)
$YFF914
OUTPUT COMPARE 1 (TOC1)
$YFF916
OUTPUT COMPARE 2 (TOC2)
$YFF918
OUTPUT COMPARE 3 (TOC3)
$YFF91A
OUTPUT COMPARE 4 (TOC4)
$YFF91C
INPUT CAPTURE 4/OUTPUT COMPARE 5 (TI4/O5)
$YFF91E
TIMER CONTROL 1 (TCTL1)
TIMER CONTROL 2 (TCTL2)
$YFF920
TIMER MASK 1 (TMSK1)
TIMER MASK 2 (TMSK2)
$YFF922
TIMER FLAG 1 (TFLG1)
TIMER FLAG 2 (TFLG2)
$YFF924
FORCE COMPARE (CFORC)
PWM CONTROL C (PWMC)
$YFF926
PWM CONTROL A (PWMA)
PWM CONTROL B (PWMB)
$YFF928
PWM COUNT (PWMCNT)
$YFF92A
PWMA BUFFER (PWMBUFA)
PWMB BUFFER (PWMBUFB)
$YFF92C
GPT PRESCALER (PRESCL)
$YFF92E $YFF93F
RESERVED
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