XC68HC705F32 Motorola, XC68HC705F32 Datasheet - Page 172

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

A
MOTOROLA
A-2
IRQ/VPP
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
1. When not being used to output the LCD frontplanes, port G and port F are input only, while port H, port I and port J are output only.
2. In the 80-pin package there is no port H and only pins PC0, PC4 and PC5 are available on port C.
3. These modules are not available in the 80-pin package.
4. In the 80-pin package there are only 32 frontplanes.
Port H
2
2
1, 2
Oscillator and divider
32 kHz independent clock
system, oscillator and divider
Core timer
Periodic interrupt
Figure A-1 MC68HC705F32 block diagram
496 bytes bootloader ROM
32256 bytes user EPROM
256 bytes user EEPROM
16 bytes for vectors
20 bytes LCD RAM
920 bytes RAM
M68HC05 CPU
Port G
1
MC68HC705F32
COP watchdog
3
REFRESH
LCD driver
Port F
1
4
PWM
Timer
SCI
SPI
8-channel
A/D
converter
DTMF/ melody generator
3
3
3
Port I
1
PWM3
PWM2
PWM1
MISO
MOSI
OC2
OC1
TDO
SCK
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
RDI
IC2
IC1
IC3
IC4
SS
Port J
MC68HC05F32
1
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