參數(shù)資料
型號： UPD784916B
廠商： NEC Corp.
英文描述： 16-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述： 16位單晶片微控制器
文件頁數(shù)： 3/86頁
文件大?。?/td> 384K
代理商： UPD784916B
μ
PD784915B, 784916B
3
Function List (1/2)
Item
Internal ROM capacity
Internal RAM capacity
Operating clock
Minimum instruction
execution time
I/O ports
Real-time output port
Super
timer
unit
Timer/counter
Capture register
VCR special
circuit
General-purpose
timer
PWM output
Serial interface
A/D converter
μ
PD784915B
μ
PD784916B
49152 bytes
63488 bytes
1280 bytes
16 MHz (internal clock: 8 MHz)
Low frequency oscillation mode: 8 MHz (internal clock: 8 MHz)
Low power dissipation mode: 32.768 kHz (subsystem clock)
250 ns (with 8-MHz internal system clock)
54
input : 8
I/O
: 46
11 (including one each for pseudo V
SYNC
, head amplifier switch, and chrominance rotation)
Timer/counter
TM0 (16 bits)
TM1 (16 bits)
FRC (22 bits)
TM3 (16 bits)
UDC (5 bits)
EC (8 bits)
EDV (8 bits)
Compare register
3
3
-
2
1
4
1
Capture register
-
1
6
1
-
-
-
Remark
For HSW signal generation
For CFG signal division
Input signal
CFG
DFG
HSW
V
SYNC
CTL
T
REEL
S
REEL
Number of bits
22
22
16
22
16
22
22
Measurable cycle
125 ns to 524 ms
125 ns to 524 ms
1
μ
s to 65.5 ms
125 ns to 524 ms
1
μ
s to 65.5 ms
125 ns to 524 ms
125 ns to 524 ms
Operating edge
↑
↑
↑
↑
↑
↑
↑
↓
↓
↓
↓
↓
V
SYNC
separation circuit, H
SYNC
separation circuit
VISS detection, wide aspect detection circuits
Field identification circuit
Head amplifier switch/chroma rotation output circuit
Timer
Compare register
1
1 (capture/compare)
1
Capture register
—
1
—
TM2 (16 bits)
TM4 (16 bits)
TM5 (16 bits)
16-bit accuracy
8-bit accuracy
: 3 channels (carrier frequency: 62.5 kHz)
: 3 channels (carrier frequency: 62.5 kHz)
3-wire serial I/O: 2 channels
BUSY/STRB control (1 channel only)
8-bit resolution
×
12 channels, conversion time: 10
μ
s
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