MC68HC16Z1CEH16 Freescale Semiconductor, MC68HC16Z1CEH16 Datasheet - Page 144

IC MCU 16BIT 16MHZ 132-PQFP

MC68HC16Z1CEH16

Manufacturer Part Number
MC68HC16Z1CEH16
Description
IC MCU 16BIT 16MHZ 132-PQFP
Manufacturer
Freescale Semiconductor
Series
HC16r
Datasheets

Specifications of MC68HC16Z1CEH16

Core Processor
CPU16
Core Size
16-Bit
Speed
16MHz
Connectivity
EBI/EMI, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
16
Program Memory Type
ROMless
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
132-QFP
Processor Series
HC16Z
Core
CPU16
Data Bus Width
16 bit
Controller Family/series
68HC16
No. Of I/o's
26
Ram Memory Size
1KB
Cpu Speed
16MHz
No. Of Timers
2
Embedded Interface Type
QSPI, SCI
Rohs Compliant
Yes
Package
132PQFP
Family Name
HC16
Maximum Speed
16 MHz
Operating Supply Voltage
3.3|5 V
Number Of Programmable I/os
16
On-chip Adc
8-chx10-bit
Number Of Timers
11
Data Ram Size
1 KB
Interface Type
SCI, SPI, UART
Maximum Clock Frequency
16 MHz
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

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5.6.2.2 Write Cycle
5-38
During a write cycle, the MCU transfers data to an external memory or peripheral de-
vice. If the instruction specifies a long-word or word operation, the MCU attempts to
write two bytes at once. For a byte operation, the MCU writes one byte. The portion of
the data bus upon which each byte is written depends on operand size, peripheral ad-
dress, and peripheral port size.
Refer to
mation.
to the SIM Reference Manual (SIMRM/AD) for more information.
Figure 5-13
5.5.2 Dynamic Bus Sizing
1) SET R/W TO READ
2) DRIVE ADDRESS ON ADDR[23:0]
3) DRIVE FUNCTION CODE ON FC[2:0]
4) DRIVE SIZ[1:0] FOR OPERAND SIZE
NEGATE AS AND DS (S5)
ASSERT AS AND DS (S1)
START NEXT CYCLE (S0)
ADDRESS DEVICE (S0)
DECODE DSACK (S3)
LATCH DATA (S4)
Figure 5-12 Word Read Cycle Flowchart
Freescale Semiconductor, Inc.
MCU
is a flowchart of a write-cycle operation for a word transfer. Refer
For More Information On This Product,
SYSTEM INTEGRATION MODULE
Go to: www.freescale.com
and
5.5.4 Misaligned Operands
1) DECODE ADDR, R/W, SIZ[1:0], DS
2) PLACE DATA ON DATA[15:0] OR
3) DRIVE DSACK SIGNALS
1) REMOVE DATA FROM DATA BUS
2) NEGATE DSACK
DATA[15:8] IF 8-BIT DATA
TERMINATE CYCLE (S5)
PRESENT DATA (S2)
PERIPHERAL
M68HC16 Z SERIES
USER’S MANUAL
for more infor-
RD CYC FLOW

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