MC9S12HZ256CAL Freescale Semiconductor, MC9S12HZ256CAL Datasheet - Page 352
MC9S12HZ256CAL
Manufacturer Part Number
MC9S12HZ256CAL
Description
IC MCU 256K FLASH 25MHZ 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.MC9S12HZ128CAL.pdf
(692 pages)
Specifications of MC9S12HZ256CAL
Core Processor
HCS12
Core Size
16-Bit
Speed
25MHz
Connectivity
CAN, EBI/EMI, I²C, SCI, SPI
Peripherals
LCD, Motor control PWM, POR, PWM, WDT
Number Of I /o
85
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
12K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
Processor Series
S12H
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
12 KB
Interface Type
I2C/SCI/SPI
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
85
Number Of Timers
8
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Minimum Operating Temperature
- 40 C
On-chip Adc
16-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Chapter 12 Freescale’s Scalable Controller Area Network (MSCANV2)
12.3.2.12 MSCAN Identifier Acceptance Control Register (CANIDAC)
The CANIDAC register is used for identifier acceptance control as described below.
Read: Anytime
Write: Anytime in initialization mode (INITRQ = 1 and INITAK = 1), except bits IDHITx, which are
read-only
The IDHITx indicators are always related to the message in the foreground buffer (RxFG). When a
message gets shifted into the foreground buffer of the receiver FIFO the indicators are updated as well.
352
IDHIT[2:0]
IDAM[1:0]
Field
5:4
2:0
Reset:
W
R
Identifier Acceptance Mode — The CPU sets these flags to define the identifier acceptance filter organization
(see
mode, no message is accepted such that the foreground buffer is never reloaded.
Identifier Acceptance Hit Indicator — The MSCAN sets these flags to indicate an identifier acceptance hit (see
Section 12.4.3, “Identifier Acceptance
IDHIT2
IDAM1
Section 12.4.3, “Identifier Acceptance
0
0
Figure 12-13. MSCAN Identifier Acceptance Control Register (CANIDAC)
7
0
0
1
1
0
0
0
0
1
1
1
1
= Unimplemented
Table 12-18. CANIDAC Register Field Descriptions
Table 12-19. Identifier Acceptance Mode Settings
6
0
0
Table 12-20. Identifier Acceptance Hit Indication
IDHIT1
IDAM0
0
1
0
1
0
0
1
1
0
0
1
1
MC9S12HZ256 Data Sheet, Rev. 2.05
IDAM1
0
5
Filter”).
IDHIT0
Filter”).
0
1
0
1
0
1
0
1
IDAM0
Table 12-20
4
0
Description
Table 12-19
Identifier Acceptance Mode
Four 16-bit acceptance filters
Two 32-bit acceptance filters
Eight 8-bit acceptance filters
summarizes the different settings.
Filter closed
0
0
3
Identifier Acceptance Hit
summarizes the different settings. In filter closed
Filter 0 hit
Filter 1 hit
Filter 2 hit
Filter 3 hit
Filter 4 hit
Filter 5 hit
Filter 6 hit
Filter 7 hit
IDHIT2
2
0
Freescale Semiconductor
IDHIT1
0
1
IDHIT0
0
0
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