MC68HCP11 Datasheet, PDF (4/45 Pages) Motorola, Inc – 8-Bit Microcontroller

XTAL
EXTAL
E
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
PULSE
PAI/OC1 _ACCUMULATOR
COP
OC2/OC1
OC3/OC1
OC4/OC1
OC5/OC1
IC1
IC2
IC3
TIMER
SYSTEM
PERIODIC
INTERRUPT
OSCILLATOR
POWER
INTERRUPT
LOGIC
MODE
SELECT
CPU
SINGLE
EXPANDED CHIP
A15
PB7
A14
PB6
A13
PB5
A12
PB4
A11
PB3
A10
PB2
A9
PB1
A8
PB0
A7/D7
A6/D6
A5/D5
A4/D4
A3/D3
A2/D2
A1/D1
A0/D0
R/W
AS
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
STRB
STRA
PARALLEL I/O
EQUIVALENT TO MC68HC24
8
KBYTES
ROM
256
BYTES
RAM
A/D
CONVERTER
512
BYTES
EEPROM
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AN0
SS
SPI
SCK
MOSI
MISO
SCI
TxD
RxD
Figure 1 MC68HC11A8 Block Diagram
VDD
VSS
IRQ
XIRQ
RESET
MODA/
LIR
MODB/
VSTBY
VRH
VRL
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
PD5
PD4
PD3
PD2
PD1
PD0
MOTOROLA
4
MC68HC11A8
MC68HC11A8TS/D