UPD75206CW NEC [NEC], UPD75206CW Datasheet - Page 20

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UPD75206CW

Manufacturer Part Number
UPD75206CW
Description
4-BIT SINGLE-CHIP MICROCOMPUTER
Manufacturer
NEC [NEC]
Datasheet

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20
5.7
such as PD7500 series and 78K series and to be connected with peripheral devices.
The serial interface has the following functions:
These features allows the serial interface to communicate data with the serial bus of the other microcomputers
Frequency Divider
f
x
SERIAL INTERFACE
TPGM3
TPGM1
1/2
Clocked 8-bit transmission/reception operation (synchronous transmission/reception)
Clocked 8-bit serial bus operation (inputs/outputs data via SO pin. SO output is of N-ch open-drain.)
LSB first/MSB first selectable
Fig. 5-6 Timer/Pulse Generator Block Diagram (PWM Pulse Generate Mode)
Modulo Register H (8)
MODH (8)
8
PWM Pulse Generator
Modulo Latch (14)
(IRQTPG Set Signal)
MODH
INTTPG
(
2
f
15
X
Internal Bus
Modulo Register L (6)
= 7.81 ms : at 4.19 MHz operation)
MODL
7-2
8
(6)
MODL
(2)
Selector
TPGM5
Output Buffer
TPGM7
PD75206
PPO

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