XC68HC705F32 Motorola, XC68HC705F32 Datasheet - Page 23

• Manufacturer Part Number: XC68HC705F32
• Description: MICROCONTROLLER
• Manufacturer: Motorola

1.2
There are three mask options available on the MC68HC05F32: STOP instruction (enable/disable),
COP watchdog timer (enable/disable) and low voltage reset (LVR – enable/disable). These options
are programmed during fabrication and must be specified by the customer at the time of ordering.
MC68HC05F32
RESET
OSC1
OSC2
OSC3
OSC4
VLCD
VDD
VSS
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
BP3
BP2
BP1
BP0
IRQ
Mask options for the MC68HC05F32
Note: When not being used to output the LCD frontplanes, port G and port F pins are input only,
2
2
while port H, port I and port J pins are output only.
Port H
Oscillator and divider
32 kHz independent clock
system, oscillator and divider
Core timer
Periodic interrupt
Figure 1-1 MC68HC05F32 block diagram
240 bytes bootstrap ROM
256 bytes user EEPROM
32512 bytes user ROM
16 bytes for vectors
20 bytes LCD RAM
920 bytes RAM
M68HC05 CPU
Port G
INTRODUCTION
COP watchdog
REFRESH
LCD driver
Port F
PWM
Timer
SCI
SPI
8-channel
A/D
converter
DTMF/ melody generator
Port I
TCMP2
TCMP1
TCAP2
TCAP1
TCAP3
TCAP4
PWM3
PWM2
PWM1
MISO
MOSI
TDO
SCK
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
RDI
SS
Port J
MOTOROLA
VRH
VRL/AVSS
TNO
TNX
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
AVDD
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
TPG
1-3
1