MC68HC11F1CFN2 Freescale Semiconductor, MC68HC11F1CFN2 Datasheet - Page 39

• Manufacturer Part Number: MC68HC11F1CFN2
• Description: IC MCU 512 EEPROM 2MHZ 68-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC11F1CFN2

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 2MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 30
• Program Memory Type: ROMless
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.75 V ~ 5.25 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 68-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Program Memory Size: -

CSCTL — Chip-Select Control
IO1EN — I/O Chip-Select 1 Enable
IO1PL — I/O Chip-Select 1 Polarity
IO1EN — I/O Chip-Select 2 Enable
IO2PL — I/O Chip-Select 2 Polarity
GCSPR — General-Purpose Chip-Select Priority
MC68HC11F1/FC0
MC68HC11FTS/D
RESET:
* PCSEN is set out of reset in expanded modes and cleared in single-chip modes.
Refer to Table 17.
0 = CSIO1 disabled
1 = CSIO1 enabled
0 = CSIO1 active low
1 = CSIO1 active high
0 = CSIO2 disabled
1 = CSIO2 enabled
0 = CSIO2 active low
1 = CSIO2 active high
0 = Program chip-select has priority over general-purpose chip-select
1 = General-purpose chip-select has priority over program chip-select
IO1EN
Bit 7
0
On-Chip Registers
On-Chip RAM
Bootloader ROM
On-Chip EEPROM
I/O Chip Selects
Program Chip Select
General-Purpose Chip Select
NOTES:
IO1PL
1. EEPROM is present on the MC68HC11F1 only.
6
0
Freescale Semiconductor, Inc.
Table 16 Chip Select Clock Stretch Control
For More Information On This Product,
GCSPR = 0
IO2EN
5
0
Table 17 Chip Select Priorities
Clock Stretch
1
Go to: www.freescale.com
Bits A, B
0 0
0 1
1 0
1 1
IO2PL
4
0
On-Chip Registers
On-Chip RAM
Bootloader ROM
On-Chip EEPROM
I/O Chip Selects
General-Purpose Chip Select
Program Chip Select
Clock Stretch
GCSPR
0 Cycles
1 Cycle
2 Cycles
3 Cycles
3
0
GCSPR = 1
PCSEN*
—
2
1
PSIZA
1
0
PSIZB
Bit 0
0
$x05D
39