EZ80F93AZ020SC00TR Zilog, EZ80F93AZ020SC00TR Datasheet - Page 167
EZ80F93AZ020SC00TR
Manufacturer Part Number
EZ80F93AZ020SC00TR
Description
IC ACCLAIM MCU 64KB 100LQFP
Manufacturer
Zilog
Series
eZ80® Acclaim!®r
Specifications of EZ80F93AZ020SC00TR
Core Processor
Z8
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
24
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
EZ80F93AZ020SC00T
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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PS015313-0508
I
The I2C_CCR register is a Write Only register. The seven LSBs control the frequency at
which the I
is in MASTER mode. The Write Only I2C_CCR registers share the same I/O addresses as
the Read Only I2C_SR registers. See
Table 90. I
The I
clock is f
In MASTER mode, the I
The use of two separately-programmable dividers allows the MASTER mode output fre-
quency to be set independently of the frequency at which the I
ture is particularly useful in multimaster systems because the frequency at which the I
bus is sampled must be at least 10 times the frequency of the fastest master on the bus to
ensure that START and STOP conditions are always detected. By using two programma-
ble clock divider stages, a high sampling frequency can be ensured while allowing the
MASTER mode output to be set to a lower frequency.
Bit
Reset
CPU Access
Note: W = Read only.
Bit
Position
7
[6:3]
M
[2:0]
N
f
f
2
SAMP
SCL
C Clock Control Register
2
=
C clocks are derived from the CPU system clock. The frequency of the CPU system
=
SCK
10 • (M + 1)(2)
2
2
C Clock Control Registers(I2C_CCR = 00CCh)
C bus is sampled and the frequency of the I
f
. The I
SCLK
2
N
f
SCLK
2
Value Description
0
0000–
1111
000–
111
C bus is sampled by the I
N
2
C clock output frequency on SCL (f
W
Reserved.
I
I
7
0
2
2
C clock divider scalar value.
C clock divider exponent.
W
6
0
Table
90.
W
5
0
2
C block at the frequency f
W
4
0
2
C clock line (SCL) when the I
W
3
0
SCL
2
C bus is sampled. This fea-
Product Specification
) is supplied by:
W
2
0
I2C Serial I/O Interface
SAMP
W
1
0
supplied by:
W
0
0
2
2
C
C
160
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