MC68HC11G5 Datasheet, PDF (108/195 Pages) Motorola, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcontroller

Freescale Semiconductor, Inc.
8.3 FUNCTIONAL DESCRIPTION
Internal
S
MCU Clock
M
Divider
÷2 ÷4 ÷16 ÷32
MSB
LSB
S
8-bit Shift Register
M
Read Data Buffer
Select
SPI Clock (Master)
Clock
Clock
S
Logic
M
SPI Control
MSTR
SPE
MISO
PD2
MOSI
PD3
SCK
PD4
SS
PD5
SPI Status Register
SPI Control Register
SPI Interrupt
Request
Internal
Data Bus
Figure 8-2. Serial Peripheral Interface Block Diagram
SERIAL PERIPHERAL INTERFACE
8-4
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