參數資料
型號: 68HC705BD7
廠商: Motorola, Inc.
英文描述: 8-Bit Microcontroller Units (MCU).(8位微控制器)
中文描述: 8位微控制器單元(MCU)。(8位微控制器)
文件頁數: 14/85頁
文件大小: 302K
代理商: 68HC705BD7
MOTOROLA
Page 4
SECTION 1: GENERAL DESCRIPTION
GENERAL RELEASE SPECIFICATION
MC68HC05BD7 Rev. 2.0
PRELMNARY
11.5K-bytes EPROM
for HC705BD7
PC7/PWM15/HSYNO
Figure 1-1: MC68HC05BD7 Block Diagram
PB0
PB1
PB2*
PB3*
PB4*
PB5*
OSCILLATOR
AND DIVIDE
BY 2
DATA
DIR
REG
PORT
B
REG
EXTALXTAL
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
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
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
1
0
0
0
0
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*
D
P
*: +12V open-drain
IRQ/VPP: VPP valid for HC705 version only, not used for HC05 version
PD3*/SOG
PD2***/CLAMP
6-bit ADC
**: +5V open-drain option
S
***: +5V open-drain
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