ST62T60CB6 STMicroelectronics, ST62T60CB6 Datasheet - Page 10

IC MCU 8BIT W/ADC 20-PDIP

ST62T60CB6

Manufacturer Part Number
ST62T60CB6
Description
IC MCU 8BIT W/ADC 20-PDIP
Manufacturer
STMicroelectronics
Series
ST6r
Datasheet

Specifications of ST62T60CB6

Core Processor
ST6
Core Size
8-Bit
Speed
8MHz
Connectivity
SPI
Peripherals
LED, LVD, POR, WDT
Number Of I /o
13
Program Memory Size
3.8KB (3.8K x 8)
Program Memory Type
OTP
Eeprom Size
128 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 6 V
Data Converters
A/D 7x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-DIP (0.300", 7.62mm)
Processor Series
ST62T6x
Core
ST6
Data Bus Width
8 bit
Data Ram Size
128 B
Interface Type
SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
13
Number Of Timers
2
Operating Supply Voltage
3 V to 6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Development Tools By Supplier
ST622XC-KIT/110, ST62GP-EMU2, ST62E2XC-EPB/110, ST62E6XC-EPB/US, STREALIZER-II
Minimum Operating Temperature
- 40 C
On-chip Adc
7-ch x 8-bit
Controller Family/series
ST6
No. Of I/o's
13
Eeprom Memory Size
128Byte
Ram Memory Size
128Byte
Cpu Speed
8MHz
No. Of Timers
2
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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MEMORY MAP (Cont’d)
1.3.6
(DRBR)
Address: E8h — Write only
Bit 7-5 = These bits are not used
Bit 4 - DRBR4. This bit, when set, selects RAM
Page 2.
Bit 3-2 - Reserved. These bits are not used.
Bit 1 - DRBR1. This bit, when set, selects
EEPROM Page 1, when available.
Bit 0 - DRBR0. This bit, when set, selects
EEPROM Page 0, when available.
The selection of the bank is made by programming
the Data RAM Bank Switch register (DRBR regis-
ter) located at address E8h of the Data Space ac-
cording to Table 1. No more than one bank should
be set at a time.
The DRBR register can be addressed like a RAM
Data Space at the address E8h; nevertheless it is
a write only register that cannot be accessed with
single-bit operations. This register is used to select
the desired 64-byte RAM/EEPROM bank of the
Data Space. The bank number has to be loaded in
the DRBR register and the instruction has to point
Table 3Data RAM Bank Register Set-up
7
-
DRBR
other
10h
00
01
02
08
Data
-
RAM/EEPROM
-
DRBR
4
Not Available
Not Available
Not Available
RAM Page 2
ST62T53C
Reserved
-
None
Bank
-
DRBR
1
Register
DRBR
0
0
ST6253C ST6263C ST6263B ST6260C ST6260B
EEPROM Page 0
EEPROM Page 1
ST62T60C/E60C
Not Available
RAM Page 2
to the selected location as if it was in bank 0 (from
00h address to 3Fh address).
This register is not cleared during the MCU initiali-
zation, therefore it must be written before the first
access to the Data Space bank region. Refer to
the Data Space description for additional informa-
tion. The DRBR register is not modified when an
interrupt or a subroutine occurs.
Notes :
Care is required when handling the DRBR register
as it is write only. For this reason, it is not allowed
to change the DRBR contents while executing in-
terrupt service routine, as the service routine can-
not save and then restore its previous content. If it
is impossible to avoid the writing of this register in
interrupt service routine, an image of this register
must be saved in a RAM location, and each time
the program writes to DRBR it must write also to
the image register. The image register must be
written first, so if an interrupt occurs between the
two instructions the DRBR is not affected.
In DRBR Register, only 1 bit must be set. Other-
wise two or more pages are enabled in parallel,
producing errors.
Care must also be taken not to change the
E²PROM page (when available) when the parallel
writing mode is set for the E²PROM, as defined in
EECTL register.
Reserved
None
EEPROM Page 0
Not Available
Not Available
RAM Page 2
ST62T63C
Reserved
None
10/83

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