參數(shù)資料
型號(hào): MC68HC705BD7B
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP42
封裝: SDIP-42
文件頁(yè)數(shù): 6/85頁(yè)
文件大?。?/td> 302K
代理商: MC68HC705BD7B
MOTOROLA
SECTION 1: GENERAL DESCRIPTION
Page 4
GENERAL RELEASE SPECIFICATION
MC68HC05BD7 Rev. 2.0
PRELIMINARY
Figure 1-1: MC68HC05BD7 Block Diagram
PB0
PB1
PB2*
PB3*
PB4*
PB5*
OSCILLATOR
AND DIVIDE
BY 2
DATA
DIR
REG
PORT
B
REG
EXTAL XTAL
CORE
TIMER
(COP)
RAM
256 bytes for HC05BD2
384 bytes for HC05BD7
384 bytes for HC705BD7
5.75K-bytes ROM for
HC05BD2
11.75K-bytes ROM
for HC05BD7
11.5K-bytes EPROM
for HC705BD7
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
DATA
DIR
REG
PORT
A
REG
PC0*/PWM8*
PC1*/PWM9*
PC2/PWM10/ADC0
PC3/PWM11/ADC1
PC4/PWM12/ADC2
PC5/PWM13/ADC3
PC6/PWM14/VSYNO
PC7/PWM15/HSYNO
DATA
DIR
REG
PORT
C
REG
RESET IRQ/VPP
Pulse
Width
Modulation
(PWM)
SYNC
PROCESSOR
HSYNC
VSYNC
VDD
VSS
STK PTR
COND CODE REG 1 1 1
I N Z C
H
INDEX REG
CPU CONTROL
0 0 0
1
0
ALU
68HC05 CPU
ACCUM
PROGRAM COUNTER
CPU REGISTERS
DDC12AB
PWM0**
PWM1**
PWM2**
PWM3**
PWM4**
PWM5**
PWM6**
PWM7**
PORT
D
REG
DATA
DIR
REG
PD1*/SCL*
PD0*/SDA*
DDC12AB
PWM/ADC/HVPROCESSOR
*: +12V open-drain
PD3*/SOG
PD2***/CLAMP
6-bit ADC
**: +5V open-drain option
SP
***: +5V open-drain
IRQ/VPP: VPP valid for HC705 version only, not used for HC05 version
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