MC68HC05JJ6 Datasheet, PDF (138/216 Pages) Freescale Semiconductor, Inc – General Release Specification Microcontrollers

Simple Serial Interface
OSCILLATOR
CLOCK
$000A
÷2
SPR0
SPR1
CPHA
MSTR
SPE
LSBF
SPIR
SPIE
SIOP
INTERRUPT
SPIF
DCOL
$000B
CLOCK
DIVIDER
AND
SELECT
CLOCK
CONTROL
LATCH
QS
R
DIN
CLK
COMP
ERROR
DOUT
8-BIT SHIFT
REGISTER
FORMAT CONTROL
LSB OR MSB FIRST
$000C
SIOP
DATA REGISTER
(SDR)
INTERNAL HC05 BUS
Figure 9-1. SIOP Block Diagram
PORTB LOGIC
PB7
SCK
PORTB LOGIC
PB6
SDI
PORTB LOGIC
PB5
SDO
General Release Specification
138
MC68HC05JJ6/MC68HC05JP6 — Rev. 3.2
Simple Serial Interface
Freescale Semiconductor