D75208CW NEC, D75208CW Datasheet - Page 20
D75208CW
Manufacturer Part Number
D75208CW
Description
Search -----> UPD75208
Manufacturer
NEC
Datasheet
1.D75208CW.pdf
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20
5.7
a serial bus and coupling with peripheral devices.
The serial interface has the following functions:
• Clock synchronous 8-bit send/receive operation (simultaneous send/receive)
• Clock synchronous 8-bit serial bus operation (data input/output from the SO pin. N-ch open-drain SO output)
• Start LSB/MSB switching
These functions facilitate data communication with another microcomputer of PD7500 series or 78K series via
Frequency Divider
f
SERIAL INTERFACE
x
TPGM3
TPGM1
1/2
Fig. 5-6 Timer/Pulse Generator Block Diagram (PWM Pulse Generate Mode)
Modulo Register H (8)
MODH (8)
8
Modulo Latch (14)
PWM Pulse Generator
(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
PD75208
PPO
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